Pontiac ram air v camshaft specs



Premiering in the 1967 Pontiac GTO/Firebird, the 400 cubic-inch RA-I produced 360 horsepower using a large camshaft, a bespoke intake and cast-iron exhaust   29 Apr 2019 1969 Pontiac Trans Am 303 Ram Air V engine head. 550, Pontiac, V8, Kit Not Yet Reviewed Part Number: LUN-20510712LK More Detail Jul 18, 2015 - Pontiac GTO Ram Air V (Judge) lap times and specs - FastestLaps. Intake Center Line 105 Deg. A flat tappet camshaft is slightly more pointed on the nose of the lobe, while a roller lift camshaft has a more rounded profile on the nose of the lobe. While Pontiac offered a 370 horsepower Ram Air IV, it never found its way into a Formula 400. The best part is, our Dodge Charger Camshaft products start from as little as $18. Specifications: Intake Exhaust Duration @ . The 400 HO used a new exhaust manifolds, the 1966 Tri-power camshaft and a Rochester Quadrajet on a new intake manifold. The 455 powered the Pontiac GTO and Firebird. There’s a guy selling some of the best factory Pontiac horsepower making parts on eBay and it isn’t piecemeal, this is the right stuff to take your Poncho straight up to Ram Air IV levels of power if you make sure the compression and camshaft are right. 447" . Pontiac Factory Camshaft Specs Overlap 76 47 76 47 62 75 87 Duration 298 293 282 252 301 1966-69 Ram Air 1967-69 2 bbl 1968L-70 Ram Air IV 1973 455 SD 1932 Ford Roadster Pickup Lincoln Flathead V12 --- The smallest of the three Lincoln V-12s available in the ’30s and ’40s, Tony’s 292 was nonetheless bored 0. 5-liter 455 HO V-8 engine. Edelbrock has a spec sheet of how they made 422 hp/441ft-lbs out of a Pontiac 400 using only their products. Before choosing a camshaft confirm specifications with the manufacturer. Comp Cams makes cams with these specs. 90 gearing, and obtained a quarter-mile performance of 14. RAM AIR V No A. INTAKE MANIFOLD BOLT PATTERN IS THE SAME FOR ALL 65-79 HEADS. 75:1 compression ratio and four-barrel Quadrajet carburetor as the standard 400, though with a different camshaft, functional ram air and improved, header-like cast exhaust manifolds, the Ram Air III was rated for five more peak horsepower at a slightly higher RPM, a figure generally believed to be quite Edelbrock Part # 7157 Performer RPM Camshaft is designed for Pontiac 350-455 V-8 applications. Pontiac build 250 Ram Air V but only the engine. Stock Pontiac Cams ; Cam: Lifter Type: Pattern: Adv Intake Duration: Adv Exhaust Duration: Int Duration @ . Frankly, I would not have it any other way. 1970 Pontiac GTO Ram Air: The GTO Ram Air is a rear wheel drive coupé motor vehicle with a front placed engine, manufactured by Pontiac. + 90 degrees. 50 350 400 Ram Air III 4Spd WS 10. The Ram Air II option included such goodies as a high-lift camshaft, forged aluminum pistons, and Arma-steel crankshaft. 5 Rockers The Pontiac 400 6. Stamping location to determine the cc's of the later 4X or 6X heads are as follows: Looking at the head from the exhaust port side, there are two drilled bosses for an A/C bracket on the passenger side (over the end exhaust port) on 4X or 6X heads. , 1969, factory 345/370 hp455 c. 45 + head cc (this is assuming 6cc for valve relief, 9. All other modifications will be futile unless the valve events and compression pressure have been carefully dialed in per desired state of tune. It was Effect Of Changes In Cam Timing And Lobe Separation Angle The following tables illustrate how variations in lobe separation angle and cam timing will effect the behavior of the engine in which the camshaft is installed. Changing your air filter regularly is an easy way to keep your engine running at peak performance. 152 inches and the stroke to 4. 535/. 75” damper became std on all V8’s. 6 L) Pontiac Ram Air IV 370hp V8: 400 cu in (6. Pontiac Ram Air V Story HOME Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Click Here for Edelbrock Aluminum Head Installation Sheet PONTIAC HEAD CHART CASTING NUMBER YEAR FACTORY APPLICATION CHAMBER VOL# CC'S EXHAUST PORT NOTEWORTHY ATTRIBUTES 528511 1958 370 62 D-Port 1. Correct shape, size, lift and duration for ram air 4 specs. 050" lift (intake/exhaust) is 230°/240°; while the valve lift is . Three- and four-speed manual transmissions, both with Hurst shifters, were offered for the 1967 Pontiac GTO. 1972 Edit So the d-port engine sold as a Ram Air engine (as marked by the cold air intake and the better exhaust manifolds) became called the Ram Air III. 050" Ex Duration @ . ; Lobe Seps 105 Deg. I bought my 2007 Pontiac G6 4-door sedan 2. 3-second 0-60 mph and finished the 1/4-mile in 13. 6-liter V-8s, namely the basic 350-horsepower unit, the Ram Air III, and the Ram Air IV, as well as the 7. Horsepower was unchanged at 325 but at higher rpm, 5200, than the regular 400. The basic “Ram Air” packages started with forced air via hood scoops, and expanded from there… ‘Ram Air 0’ This was not an ‘official’ Ram Air package, but was a precursor… – mid 1965 – GTO only – add-on kit Pontiac Ram Air 068hl High Lift Cam Lifter Kit Camshaft 400 455 389 350 428 From the C/D Archives: Ah, the muscle era, when you could buy a dealer-prepped, engine-swapped GTO. I have Google searched for the specs of this cam with no luck, in fact I only found 2 relevant hits on the whole Interweb! Mar 08, 2016 · The optional engine was the Ram Air III V8, which produced 345 horsepower @ 5000rpm and 430 lbs. The Pontiac 455 V-8 was actually a bored out 428-cubic-inch V-8 with a bore and stroke of 4 inches by 4 inches. Find the engine specs, MPG, transmission, wheels, weight, performance and more for the 2002 Pontiac Grand Am Sedan 4D. Check out our 1969 Pontiac Ram Air V “366” Tunnel Port Engine at The Throttlestop - Car & Cycle Concerige. 7cc for head gasket, 2cc ring area, and 7. 57 + head cc (assuming 6cc for valve relief, 9. Ram Air V. Each cylinder uses one intake and one exhaust valve that allows the engine to ingest and expel the combustible air/fuel mixture and spent exhaust gasses. Pontiac Ram Air V Crate Engines. 6 L) Pontiac Ram Air V V8 There are no known 1970 Trans Ams with the Ram Air V, no complete engines were ever sold or shipped to dealers, but the parts needed to build one could be ordered over-the-counter. Pontiac Factory Cam Specs - by Wallace Racing Home of Pontiac Powered Firebirds,Trans Ams,Pontiac Powered Dragsters,Pontiac Power Rules! 1969 RAV, V, 308, 112 . Notes: Performer-Plus Camshaft Kit -- Off-Idle to 5500rpm; Adv. I missed being at the track that was for sure! A Ram Air option was available, with functional hood scoops, higher flow heads with stronger valve springs and a different camshaft. Pontiac 400 Camshaft Pontiac Ram Air Iii 744 Cam Lifter Kit Lifters Camshaft 400 455 428 Gto Firebird 335-hp Ram Air V-8 engine; Ram Air HO; Optional engine: 400-cid, four-barrel V-8 coded as the L74 engine; compression 10. I have a 1976 400 Pontiac motor that I have stripped down for a rebuild. Jun 05, 2012 · Pontiac will be remembered for styling and shtick -- Wide-Track, Ram Air, body cladding, screaming chickens. 5:1 or higher for 400 engines - 9:1 and higher for 421/428/455 and stroker engines) Great cam for nitrous applications Part Number Direc Cam Iift Lift 1. com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory. It was never used in production, but development of the engine produced enough heads, short-block assemblies, and related rotating assemblies that the parts were offered over the parts counter at Pontiac dealerships and installed in some cars by dealers and customers. Dur. Free shipping Firebird 400 Ram Air: A 400 cubic inch engine with 335 horsepower at 5300 rpm which included a larger-overlap, longer-duration cam, and a beefed-up valvetrain for 6000 rpm operation. Feel free to contribute. 469"/,469". Glimpse of my fathers 1932 Ford 5 window coupe. AU $305. Information about PMD heads is still being gathered. Apr 18, 2006 · Hot Rod Magazine tested a 1967 Ram Air GTO with Turbo-Hydramatic and 3. 3 - 20 ft. Numbers on the crank are often the same as the part number, but not always. Most Pontiac engines were limited by cylinder heads that used D-shaped exhaust ports, with the front and rear combustion chambers and their corresponding valves and ports mirrored in the middle, just like a small-block Chevy 1969 Pontiac GTO Ram Air V: The GTO Ram Air V is a road car from Pontiac, with rear wheel drive, a front mounted engine and a 2 door coupé body style. 6 L) Pontiac Ram Air III 345hp V8: 400 cu in (6. However, Pontiac killed the Ram Air V program before a single Firebird or GTO had been produced. 050: Lift With 1. Oil Pan Drain Plug. 030 and assembled by John Beck at Vintage Hot Rod Design & Fabrication using a custom aluminum intake manifold and air cleaner for the triple Stromberg 97 carb system. 030 over have turn it only5200 rpm with 11. The Ram Air V was introduced in 1969 to professional racing, not for sale to the general public or in showrooms, and was sold and delivered in a crate. Find the engine specs, MPG, transmission, wheels, weight, performance and more for the 2008 Pontiac G8 Sedan 4D GT. 50 370 *Pontiac 400 Compression area=25. Doesn't burn any oil and I drive it 22 miles each way to work. Cam specs are as follows: ADV Duration (INT/EXH): 297 / 310; Duration @ . 1960 389 SD, 7, 300  Ram Air V SOHC Engine. 442 in. The Pontiac V-8 valvetrain is a simple overhead-valve design that’s comprised of several different components. A total of 943 were produced for the 1974 model year. Premiering in the 1967 Pontiac GTO/Firebird, the 400 cubic-inch RA-I produced 360 horsepower using a large camshaft, a bespoke intake and cast-iron exhaust headers along with unique cylinder Pontiac Factory Cam Specs - by Wallace Racing Home of Pontiac Powered Firebirds,Trans Ams,Pontiac Powered Dragsters,Pontiac Power Rules! Mar 01, 2009 · Inside A Ram Air V - Pontiac Tech The second part of the equation centered on the camshaft. Designed with 4-bolt mains to ensure maximum durability, the L67 Ram Air I V-8 was rated at 335 horsepower and a healthy 430 lb-ft of torque thanks to 10. For a car costing less than $30k, this was astounding to say the least. 88/1. 79 mph (158. Horsepower on the standard 400-cid V-8 increased by five, to 330. of torque when used with #7156 intake and #60599 cylinder heads on a 455 engine. Reproduction timing chain cover for 1969-1979 Pontiac V-8 engine models except 301. 1968 saw the introduction of the high performance Ram-Air-II with round exhaust ports. 3 mm) connecting rods. Pontiac originally intended this pan to be used on the Ram Air IV and the Ram Air V Firebirds. I also think the ram air 4 carb held it back some as well. EARLY 68 RA GTO. factor in the chip, air filter, ignition, exhaust and such, and the 'stang could have had at least around 300 hp as well. Apr 29, 2019 · Pontiac had its Ram Air line of performance V-8s, but the best of that bunch never truly got its moment to shine. Kit includes M-Select camshaft and Elgin lifters. Pontiac produced the 421 V8 engine from 1961 to 1968. 7 V8 as option WS6 available on Formula and Trans Am coupes (not convertibles). 68 & 69 GTO AUTO TRANS. 700 exhaust valve: Chamber PONTIAC RAM AIR IV Cam Lifter Kit lifters camshaft 400 455 428 GTO Firebird - $199. Transforming the 400 Firebird was the optional Ram Air Package. 5 Advdur . A total of 759 GTOs of all stripes were fitted with the top Pontiac V-8, including just 302 Judges. 050" Int Lift 1. Ram Air continued as the rarest and strongest engine option at about $600 over the regular 400. In 1970 the 455 was introduced by stroking the 428. 5 L) engine first became available in the second generation Firebird in 1971. When it comes to your Dodge Charger, you want parts and products from only trusted brands. 050 dur The 400 Cu In Ram Air IV was the culmination of years of performance V8 development at Pontiac. 5 litre engine is a naturally aspirated, overhead valve, 8 cylinder that produces 365 bhp (370 PS/272 kW) of power at 5100 rpm, and maximum torque of 603 N·m (445 lb·ft/61. Performer-Plus Camshaft Kit for Small-Block Oldsmobile 350-403 V8. 11/1. In 1967, Pontiac released the all-new Firebird. From 1971 on Shop 400 Pontiac V8 parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. 062 Camshaft: 1955-1979 except for Ram Air V & 455 Super duty: The 1970 Pontiac GTO was available with three 6. Something similar to the 068 cam which was used on the Ram Air III and HO engines. 204 / 214 Deg. 12 (tie) Best low compression D-port head: No. 050, . 345 HP @5000 RPM. The 1970 to 1971 Pontiac 455 generated 325 and 455 foot-pounds of Camshaft and Lifters, Hydraulic Roller, Advertised Duration 282/290, Lift . 99. When Pontiac lowered the compression ratios for 1971 (weirdly all the way down from a low to mid 10 to 1 to low 8 to 1 rather than say 9 to 1), they also foolishly eliminated the better exhaust Save money on one of 26 used 2005 Pontiac Grand Ams near you. The Ram Air III Designed for 1965-79 street 326-455ci Pontiac V8s (except Ram Air V and 265/301 V8's). PurolatorONE Air Filters are widely available for most passenger cars and light trucks on the road today. The Quadrajet carburetor was recalibrated to increase fuel flow, and twin hood scoops were made functional and ducted air directly into the air cleaner. Works on high and low compression (9. #9794041 for,400 c. Apr 30, 2010 · Pontiac Crankshaft Part Numbers Technical Notes Pre-1964 cranks must be machined to fit Turbo Hydromantic torque converters. Fits all Pontiac engines 326, 350, 389, 400, 421, 428, 455, etc. Pontiac engines were last produced and used in 1981. 5 Rockers: Ex Lift 1. The Ram Air-IV came out in 1969 with many performance parts on the engine. It is known as the "HO" cam primarily because it was used in 421, 428 and 455HO engines. A new air filter can also help prevent engine wear, improve fuel efficiency and can even improve acceleration by up to 11 per cent. One very important feature separates this 1970 Pontiac Trans Am from all others: a 488 cubic inch aluminum block Ram Air V engine dyno-rated at 530 horsepower. Performance camshafts also typically have longer duration – the valves are open longer, which increases high RPM power. 1 - Refer to procedure for illustration. Near duplicate of the Pontiac 390HP/428 cam (GM #9779068). 6 Liter engine was first introduced in 1967. Bearings must be installed in … In 1965, Pontiac offered a Ram Air system as an over-the-counter item through their Parts Department (Part # 984716, for $29. Please practice hand-washing and social distancing, and check out our resources for adapting to these times. Pontiac engine development history The same year, Pontiac increased the stroke of its 316-cu. The 400 was inspired by the Pontiac 389 V8 and proved to be the last Pontiac engine with closed chambered heads. Refer to illustration. Key specs of the base trim A 175-hp Ram Air V-6 with There's a Ram Air V camshaft inside, new valve train, and an . Check out strc09 1988 Pontiac Trans Am in Linden,NC for ride specification, modification info and photos and follow strc09's 1988 Pontiac Trans Am for updates at CarDomain. Degreeing the Camshaft. Including 85 mph crusing on the tollway. 8-liter V6. 65 GTO, 65 421 HO. ) *Pontiac 455 compression area = 25. GENE from WI on October 26, 2018  1969 Pontiac GTO Ram Air V: The GTO Ram Air V is a road car from Pontiac, with rear wheel drive, a front mounted engine and a 2 door coupé body style. If Pontiac built it, we can build it, and better! We don’t just Build Pontiac Engines, we make them better! We don’t just build quality and performance Pontiac V8’s, we make them better! Sep 21, 2016 · The cam profile is the actual shape of the camshaft lobe. ALL 67 & UP HEADS HAVE 2. In the April/May ‘98 issue of Sports Car International Magazine, a ’98 Ram Air T/A put down a 5. 6 - Refer to procedure for illustration. Idle increased above the normal 800 rpm but I left it alone for the time being. 5:1; Peak power at 5000 rpm; Trans Ams had white or blue finish with contrasting racing stripes 1955-1979 except for Ram Air V & 455 Super duty: Starter: 1955, 1956-1960, 1961-1964 (Fullsize) 1964 (Tempest & Grand Prix)-1979: Timing Cover: 1955-1959, 1960, 1961-1962 (Pontiac 8 & Tempest 4), 1963, 1963 1/2-1965, 1966-1967, 1968, 1969-1979 46 Trans Ams had the L-67 RAM AIR IV engine and synchromesh; A short stroke 303-cid tunnel-port V-8 Trans Am engine was used in a small number of Firebirds used exclusively for SCCA Trans Am racing; The high-performance Trans Am was introduced March 8, 1969. Street Force 1, Good idle, Mild Street performance, strong low end torque. 7 - Step 1: Tighten bolts to 20 ft. (27 Nm) RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. 4 - Refer to procedure for illustration. As an experiment, I boosted initial timing by 4 degrees. If you have any questions or problems, do not hesitate to contact our Technical Hotlineat: 1-800-416-8628. As a more potent option, Pontiac offered the L67 Ram Air option which included stiffer valve springs and a better camshaft. 3:18. 50 366 400 Ram Air IV 4Spd WW 10. The camshaft works well with high-performance street applications, Performer RPM cams provide power from 1500 to 6500 Pontiac Ram Air Engines/Option Packages. The L85 Ram Air V engine was the ultimate product of Pontiac’s decade-long racing engine development program that began at the turn of the Sixties and was arguably the genesis of the musclecar era. The 455 engine was available in the L75 325 hp (242 kW) version and the LS5 335 hp HO version, which was the standard, and only engine option, for the Trans Am. 4 Jun 2014 You've no doubt heard the stories about the '69 Pontiac Ram Air V, the It was an engine that was set to rewrite muscle-car history before it was and a builder's version, which can be machined to the customer's specs. This 400 featured new round port heads, high-lift cam, forged aluminum pistons, Armasteel crank, tulip-head valves and dual high-rate valve springs. 87 for deck height volume) The information below reflects the research conducted by Pontiac enthusiast/ author Pete McCarthy, much of which is from his book, Pontiac Musclecar Performance 1955-1977, as well as information gathered from many other Pontiac enthusiasts world-wide. Included was a hotter camshaft, stronger valvetrain and low-restriction cast-iron exhaust manifolds. This made the 400′s hood scoops functional and also changed the engine’s designation to L67. 400 Pontiac V8 parts in-stock with same-day shipping. Factory Muscle 231/240 Hydraulic Flat Cam for Pontiac 265-455 HYDRAULIC: Factory I. In city driving from 4,000 RPMs up it "RAMs" more "AIR" into the intake for more power if it is needed, and on the highway from 70 mph you can barely push on the gas pedal and accelerate to higher speeds if need be. 75:1 compression, a long duration camshaft, code 31 cylinder heads with swirl-polished valves and dual valve springs, and “longbranch” exhaust manifolds for better breathing. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools. 2 - Bed plate bolt sequence. You could just build it to whatever specs the Ram Air III or IV had. I guess I'm not looking hard enough. Pontiac GTO, Pontiac Lemans, Pontiac Tempest, The best source for GTO books, 400 Ram Air IV 4Spd WW 10. Dec 17, 2014 · Pontiac's Ram Air nomenclature can be confusing for the uninitiated, but what set the Ram Air IV apart were its round-port heads. It cost $389, nearly 20% the price of a low-end Plymouth. 396 LB/FT @3600 RPM. First of all, take out the stock cam, and stuff in a Ram Air stick with 301 degrees of intake duration and 313 of exhaust duration (late conversion will have the late stage II cam). Save money on one of 25 used 1991 Pontiac Grand Ams near you. All of them are factory option from Royal Pontiac and badges as Royal Bobcat car. A original matching numbers pontiac 400 cubic inch v8 was rebuilt to ram air iii 366 horsepower specs, which is how the base judge was equipped. It again had a hotter cam, stronger valve springs, and exclusive use of functional hood scoops. 12364044 — Camshaft Kit Applicable to all 1955-81 Pontiac V8 engines, this camshaft kit includes the factory blueprinted replacement Ram air IV “T” cam. I would not recommend the Ram Air IV 041 camshaft, too rough for a street driven car. I. New Camshaft 1968 1969 Pontiac Ohc6 250 4 Barrel Only 1969 Ohc6 250 4 Camshaft Pontiac Only Barrel New 1968 Lamp Ram Air Tri Power Gs 1966 Lemans 67 Dome Ram Gs Edelbrock Performer-Plus Camshaft Kit for Ford FE 352-428 V8. 14060651 - Camshaft GM (General Motors) Due to heightened concern over the COVID-19 virus, Pace Performance has taken a proactive approach to slow the spread of this virus. D. Please review your cart before checking out to make sure that your parts are legal for use in California and other states with similar regulations. At the start of the 1970s, the 400 V8 generated more than 300 horsepower True Pontiac engines were made by the Pontiac Motor Division. The cam code is 496710, and it has a * stamped on the end of the cam. There's a correct ram air camshaft inside, big valve heads, and a factory intake with 4-barrel carburetor on top. Performance hydraulic flat tappet camshaft and lifter kit for 350 389 400 428 455 Pontiac Ram Air III engines, 3/2carb hi output engines, 4bbl hi output. 520" lift, 226 duration single pattern design is an excellent choice for a wide variety of small block and LT engine combos. Near duplicate of the Pontiac Tri-Power 318HP/389 cam (GM #529472). The straight stock Ram Air IV's were easily pushing 500 hp (370 kW) with a few tweaks to the carburetor and timing, and utilizing a careful mix of high octane airplane fuel in the tank. After doing a little research, I found a pair of 1969 Ram-Air 3 heads (cast #16), which have the large valves and better breathing. The duration at . 5 to 1 people rev it to make it work with 10. Oct 19, 2017 · The Ram Air Trans Am didn’t just talk the talk, but could also walk the walk like no T/A before it. A single camshaft located in the center of the block actuates the valves by transferring … May 31, 2018 · Pontiac built the Ram Air versions in a total of five different stages. Longer duration is typically accompanied by increased overlap (when both intake and exhaust valves are open), which can enhance cylinder filling at high RPM, but can also result in less vacuum for power accessories at low RPM. 9 sec @ 102 mph. At midyear, the 335-bhp Ram Air mill was replaced by the 340-bhp Ram Air II. This version of the Pontiac V8 engine was used in the GTO, Firebird, and the Trans-Am Firebird. 65 Rocker Arms: Lobe Separation Angle: Intake Centerline: Pontiac OEM Pontiac Ram Air III Cam Lifter HD Timing Kit 350 389 400 428 455 GTO 4bbl 3-2V. 5:1 compression ratio, and high Pontiac’s final Ram Air engine was the Ram Air V. For the 455, Pontiac expanded the cylinder bore to 4. 466, 112 LC: Pontiac V8 265-455 1955-1981 Adv. 2L-6. It was a special 400 block with newly designed high compression tunnel port heads and a special high rise intake manifold. This three-owner car has been professionally restored and is in show condition 6X and 4X Head Information. 00. Feature Detail; Heads: DCI RA5 aluminum head castings 380 to 400 intake CFM with 2. 30 Jan 2020 The Ram Air V is a tunnel port head that has ports so large that the pushrods run right through them. Jan 10, 2017 · 1970 Formula 400 Ram Air III cam idle with Pypes exhaust. The base engine for the launch of the Firebird was a 3. 5 Rockers Pontiac Hi-Po OE Ram Air IV replacement cam and lifter kit. 17″ wheels were thrown in for good measure. In 1969, Pontiac was feeling the pressure  9 Jan 2018 The roots of the Pontiac Ram Air actually date to the 1965 GTO and the 389 cid V -8, but the official nomenclature did not come into effect until  1969 Pontiac GTO Ram Air V specs, specifications, laptimes, acceleration times, pictures, photos, engine data, top speed. its close to a HO series 068. 1969 Pontiac GTO Royal Bobcat Ram Air V Test Car Start up - Duration: 1:45. Ram Air V (Short Deck) 548211: 1963: 326: 2 63 421 HO,64 GTO. Not too shabby. , 1968 RAM AIR IV, factory 366 hp400 c. Looking at RA IV GTOs exclusively, the numbers are, well, considerably more exclusive. 45 at 105 mph. The Ram Air V would have used a Holley 780 cfm carb instead of a Quadrajet, and the dimples in this RAV pan are for Best performance head: 1970 Ram Air IV Best intake port: 1969-70 Ram Air V Best exhaust port: 1968 1/2 Ram Air II Best D-port head: No. 625 in (168. 2 and 4000 stall converter and had it work great. But over all happy with what a basically stock pontiac can do through the exhuast in street trim! think I might bump the cam up little to 520 lift. Performance hydraulic flat tappet camshaft and lifter kit for 350 389 400 428  Fits: Pontiac 1968 Ram Air II 400/366hp, 1969 400/345 and 370hp, 1970 400/ 370hp. Add to Wish List Add to Compare. Only 4 street car that documented and survive. lbs. 1970 Pontiac Firebird Trans Am 400 CID Ram Air III Classic Industries offers a wide selection of 1969 Pontiac Firebird parts, including 1969 Pontiac Firebird interior parts and soft trim, 1969 Pontiac Firebird exterior sheet metal, 1969 Pontiac Firebird moldings, 1969 Pontiac Firebird emblems, 1969 Pontiac Firebird weatherstrip and unique accessories, to nearly every nut and bolt needed for installation. Edelbrock Rollin' Thunder Camshaft for 1965-95 B/B Chevy 396-502 (Mark IV/Gen V) Add to Wish List Add to Compare. Pontiac Equipped the Grand Am GT's with the RAM AIR system from 99-05. 50 370 455 4Spd WA 10. 420 / 0. 5 Jul 2017 “This specific motor, because of the Ram Air II heads, has slightly different cam specs than our usual package to match the flow of the heads,” he  1 Jan 1970 V-8 removed and the full, top-of-the-line 428-incher inserted—with enough fiddling Schornack says the Pontiac engine is particularly sensitive to ignition timing, and The Ram Air package consists of a tub, which mounts over the With 57% of an all-up weight of some 4000 pounds on the front wheels,  This is not a ram air 3 cam. Still others would feature the number on the area just below the valve cover rail. Ram Air III spec cam. 050 400 cu in (6. It is also knonw as the 'tri power cam' because it was used in tri power GTOs in 1965 and 1966. 0 LX mustang and not the GT) has 2834 lbs and 205 hp. Designed to make power to the stratospheric . Ram Air II 400/366hp = cast crank and pistons Ram Air III 400/366hp = cast crank and pistons Ram Air IV 400/370hp = cast crank and forged pistons The Pontiac 455 cu in (7. i. A cast-iron engine block is matched with a durable rotating assembly that delivers a pump-gas-friendly 9. 453" . R. 00 360 400 4bbl 4Spd WT 10. Ordering the WS6 package added twin nostrils (air intakes) on the hood which boosted the engine rating to a stellar 305 bhp. 6 55-60 INT MAN 538177 61-62 389 62 D-Port 1. Now the mind-seizing modifications come in. Here at Advance Auto Parts, we work with only top reliable Camshaft product and part brands so you can shop with complete confidence. For best engine performance, builders Information and specs for the Pontiac 421 V8 engine. Including 14060651 - Camshaft. 00 360 400 4bbl Automatic YS 10. Thanks for the info brian. Pontiac V-8 Camshafts Sorted by Type and Intake Duration Lftr H = Hydraulic, S = Solid (mechanical), HR = Hydraulic Roller, SR = Solid (mechanical) Roller CMC = Camshaft Machine Company Pontiac's Ram Air IV engine was the fourth evolution of an engine that had helped to create the muscle car as we know it. the mustang on the other hand, stock (and provided that this was a 5. Based on my review, the engine had a mild grind in it similar to the specs of a 068 camshaft. Pontiac Special Projects Group developed three versions in displacements of 303, 366 and 400 cubic inches, the latter for street and drag race duty. Ram Air The 1974 Pontiac Firebird and Trans Am Super Duties were the very last of the high-performance cars from the ’70s. By this time the engine had 5 engine mount holes per side. Exact factory replacement cam for your classic. Its 6. -ft. 1971 Ram Air was a factory option ordered for 751 cars, but the pan and scoop parts were shipped in the trunk of the car for installation by the dealer. This intake manifold is for 326, 350, 389, 400 and 455ci V8's. introduced. The Ram Air IV featured specific cylinder heads, camshaft and a power peak of 5500 rpm vs 5000 rpm. if the mustang had 275 HP after all the mods (this is suggesting that it had a mild chip), then the A 1967 GTO Ram Air camshaft with 301/313 degrees of advertised duration, 0. On the Ram Air III equipped Formulas, the hood scoops MODEL: Pontiac 326-455 c. They were under-rated at 340 and 375 hp respectively. But we’ve just begun to fight. The Pontiac GTO Ram Air V's engine is a naturally aspirated petrol, 6. The Ram Air III had a high-performance Quadrajet 4-barrel carburetor, free flow cast iron exhaust manifolds, a dual exhaust system, a high performance cam, a 10. The Basic The higher-revving Ram Air IV's advertised power peak was actually listed at 5,000 rpm-100 rpm lower than the less-powerful Ram Air III. A “Ram Air” option was also available, providing functional hood scoops, higher flow heads with stronger valve springs, and a hotter camshaft. torque @ 3400rpm, thanks in part to a higher compression and a more aggressive camshaft profile. This is a process that synchronizes the camshaft with the crankshaft. V8, 1965-79 (not for use with Ram Air V heads) INSTALLATION INSTRUCTIONS • PLEASE study these instructions and the general instructions carefully before installing your new manifold. 68 GTO MANUAL TRANS. In light of this, the 'Year' entry, as indicated by the chart below, may actually represent the year that the heads were cast, versus the year that they were actually installed on an automobile. 050 Discount Exempt. Blueprint Tuning the Pontiac V-8: A Guide for Cam & Head Selection. Behind the juvenile antics, though, there once existed a capable group of engineers. Most of them gone to racing and the rest is brought back to factory to be stored or destroy. Power for the Ram/Air package was the same as the conventional 400HO, but peaked at a higher RPM. Near duplicate of the Pontiac Ram Air I/II 375HP/400 cam (GM #9779067). By comparison, the same engine in Golden Commando form was rated at just 395 pound-feet — a difference of around 10%. 47. After ten years I now have 301,400 miles and I've never had the heads off the engine. Jan 02, 2010 · 1-Certain heads, like this 1970 Ram Air IV, had the casting identification number on the end exhaust port. Sep 01, 2017 · If you loves some Pontiac action, we have found a pile of parts for sale on eBay that’ll make you salivate a little bit. The casting numbers for the Ram Air III engines are listed as #'s 12 for the manual exclusively, or 12 and 13 for automatics with the R/A IV engine got the legendary 614, a short lived but highly desirable cylinder head. CMWilliamS55 17,555 1968 Pontiac Firebird Ram Air II specs, specifications, laptimes, acceleration times, pictures, photos, engine data, top speed Re: Ram Air IV Cam Question « Reply #5 on: May 09, 2010, 11:21:01 PM » It will definitely run better in a 455- just swap those 6x-4's onto a 455 or stroke that 400 and the cam will work better. Some test has been done by Royal Pontiac including the 1/4 mile. Owner Bruce Fulper can answer ANY question for you Camshaft, TPIS ZZ409 Hydraulic Roller Camshaft, 87-94 SBC/LT1. 1969 Pontiac Trans Am 303 Ram Air V rear 3/4. 5L Diesel Engines RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. The over-the-counter setup was continued into 1966 with a minor change to the center carb hole in the pan, and by mid-year 1966, Pontiac Parts Interchange List. pump 2 1/2" crank centering ring, block#481708, head#, Splash shield bolts to #2 & #4 main cap crank# 2 1/2" or 2 3/4" crank centering ring not available Pontiac Pontiac 400 428 455 Engine Codes. Underrated from the factory at 370 HP at 5,500 rpm and 445 lb-ft of peak torque at 3,900 rpm, the Ram Air engine idled roughly and took some doing to drive at low speeds. 96(1971) Best low compression post-1972 head: No. New, Used and OEM Automotive Parts - Large Inventory - Great Prices Pontiac Ram Air 068 Cam Lifter Kit Camshaft 400 455 389 Numbers Game: Pontiac's GTO was one of the most popular cars of the muscle era, and in 1969, 72,287 were sold--including 6,833 Judges. 050" (INT/EXH): 224 / 236 Feb 26, 2009 · The '068' cam was used by Pontiac from 1965-1972. Duration: 288/298 Duration @ . 99 km/h) in pure-stock form, rising to For example, and maybe a true Pontiac guru out there can take a better whack at this, I looked up factory GTO Ram Air engines: The original Ram Air 400/360hp ('67?) used cast crank and pistons. Pontiac reintroduced their fabled “Ram Air” cold air induction system for the 5. They fit on the 389 block with no problems and will work fine, providing you use pushrods, rocker arms, and valve covers for the 1967-up Pontiac 400 motor. No major engine issues. This includes all five Ram Air engines, Super Duty engines, and HO Pontiac engines too. 75cc deck height volume. 48, No. 4 Litre 4-Cylinder with 33,000 miles. 030 overbore on the block. Firebird 400 Ram Air II In March of 1968 Pontiac released another L67 coded 400 dubbed the Ram Air II. tempest & pontiac 389 : 1966: 9773384: 421 & ho engines: 1st type: if using 1965 type pistons, different connecting rods are required (p/n 544956) 1966-68: 9783787: 421 & 428: 2nd type: 1967: 9795480: 400 : 1968-69: 9790154: firebird & tempest 6 cylinder: use pilot bearing p/n 3752487 for manual trans: 1968-69: 9793573: 350 : 1968: 9795480: all Pontiac V-8 crankshaft part numbers and specifications 1955-1981. Jan 15, 2015 · 1970 Firebird Formula Ram Air III w/ air and 4 speed - Duration: accobrajim 60,198 views. Feb 26, 2009 · the ram air iv cam is not a good all around cam, it needs compression like 10. It is simply awesome! The . The Ram Air packages were offered in Pontiac models in the late 60s. 2-Most Pontiac cylinder heads feature an identification number cast into the external surface, which greatly simplifies identification. at 0. 068 are a ho cam 744 is the ram air along with the ram air iv 044. 21 inches. 5 to1, this is in a 400, in a 455 . All Pontiac engines (except the 303 Ram Air V engine and 265 and 301) used 6. V-8 In 1958, the Pontiac V-8 grew to 370 cubic inches. This is TPIS' most popular cam for the SBC/LT engines. 492", 545713. in. The famous "041" cam by Spotts Performance Cam has rough idle, lower vacuum and mid range torque. This is a work in progress and not guaranteed to be correct. 6 sec, 1/4 mile in 13. Valve timing and compression pressure are the two most important factors that effect an engine's performance. 5 litre, overhead valve 8 cylinder with 2 valves per cylinder. The 1968 Pontiac Firebird 350 had few visual and mechanical changes from the 1967 models. Pontiac 400 428 455 Engine Casting Numbers. It was rebuilt in 2012, so it's still quite fresh, and the way it runs and drives will prove once again that there's no replacement for a big Pontiac Ram Air 068 Cam Lifter Kit camshaft 400 455 389 350 428 GTO Firebird. Then you just get some 72cc heads and you're good to go. 51 seconds @ 98. 2-door coupe 2-door sedan Convertible Tri-Power 389 4-bbl Total Production: 18,422 7,384 6,644 8,245 24,205 32,405 Pontiac Engines, Early (1955 to 1979) Pontiac V-8 engine parts and engine building. 68 & 69 350 AUTO TRANS. 0:1 compression ratio, as well as a smooth hydraulic roller camshaft that complements power delivery with a great idle quality. 498", 87, 320, 115 . The 6. 50 366 455 3Spd WA 10. 75:1 350 The 335hp V-8 featured the same 10. Power for the Ram Air package was the same as the conventional 400 HO, but peaked at 5,200 RPM. Power Package includes matching: Performer Intake Manifold 350-2156; Edelbrock Performer 750cfm Carburetor 350-1411; Performer-Plus Hydraulic Flat Tappet Camshaft & Lifters 350-2157 Installation 400 Ram Air III 3Spd Manual WS 10. Horsepower and Torque. It's finished in Pontiac Turquoise with a few chrome dress-up pieces, as well as a 4-barrel carburetor up top. The owner was advised to refit the closed-scoop hardware during wet weather. Performance: 400/370 (RA IV): 0-60 in 5. Easy to use parts catalog. 5 - Bed plate bolt sequence. Good luck with your project and keep us posted on it's progress. , 1970, factory 370 hp Technical Note: There are 16 hydraulic flat tappets included in a camshaft kit. $229. 77 VALVES UNLESS OTHERWISE NOTED. Research the 2002 Pontiac Firebird at cars. 3865886 - Cpp Big Block Chevy Oil Pump Shaft - All Big Blocks, Mark Iv, Gen V & Vi No Image Available 12558081 -Gm Cylinder Head Dowel- 1997-2006 Ls1-Ls6 & Gen Iii Truck Engines- 1965-2000 Big Block Chevy & 6. However, the most popular choice that year was the 326 V8 engine. All the above information was taken from Pete McCarthy's "Pontiac Musclecar Performance" book. An updated classic. The HO engine also included Ram Air IV. 444/. 6X Best balanced head (exhaust to intake): 1963 421 SD The cars weigh 3850 with me in it. Date Codes: J23= October 2,1963 D083= April 8, 1973 (or 1963 !!) The letter is the month, followed by the day (one or 2 digits) and the last number is the year. Pontiac Cylinder Head ID Numbers. Connect & Cruise Powertrain System. The camshaft manufacturers are sorted alphabetically and are listed in terms of duration. This Edelbrock cam kit produced 422 HP & 441 ft-lbs. 6 L), including the same 288/302 camshaft (manual transmission 455) yet was only rated at 360 hp (268 kW). With those huge ports, anything that could be done to increase mixture velocity would benefit [citation needed] Per Pontiac's sales brochure, the 1970 455, for example, had similar parts to the higher-rated Ram Air 366 hp (273 kW) 400 cu in (6. Near duplicate of the Pontiac 325HP/389 cam (GM #9779066). 00 360 400 Ram Air III Automatic YZ 10. I've gone through 5 sets of tires and 3 sets of brakes. This was the most highly refined "model option" to come from Pontiac up to this point 400 V8 (Ram Air V - over the counter) 500bhp. Pre-1964 cranks must be machined to fit Turbo Hydramatic torque converters. 1969 was also the year that the Ram Air V was introduced. E909P and 16/HL1951S. It was also used on automatic ram air III in 1969 and all of 70 Ram air III. The original set up in 1967 concentrated on improving how the engine would breathe. Manufacturer's Name: Part Number: Advertised Duration: Duration @ . ; Lift at Valve Int / Exh 0. 25 350 455 Automatic YA 10. 16, No. This engine, designated L85 by Pontiac Special Projects Group, was the culmination of Pontiac’s long-term engine development program that began in the late 1950s and helped fuel the In response, Pontiac raised the displacement on the the 389 and the High Output (HO) 400 was born. 75 to 1 or more to work great, really works great with 11. 389 can be bored to 400 specs at around . Stock Pontiac Head Specs * During my searching for information, I found quite a few discrepancies in the sources I was viewing. Research the 2004 Pontiac Grand Am at cars. Replacement cranks may be a different part number or casting number than what came in the original engine. The 421 was first availabe in a SD (Super Duty) model that was built for racing. Of that number, only 212 were equipped with the 455 Super Duty and manual transmission, and this is one of them with less than 9,500 actual miles. In 1973, a further refined and even stronger version, the Super Duty (SD) engine was introduced with "only" 310 hp (231 kW)/231 kW (SAE Net) using a similar camshaft specifications to the Ram Air IV 400. Dry weight ranged from 590 to 650 pounds   Jul 15, 2014 - Pontiac Royal Bobcat Ram Air V engine built exclusively for Royal Makes me miss my angel Cc - Pontiac Firebird Classics for Sale - Classics on  Description. d. Free shipping CSI Automotive Sales, Service & Parts. 050 Int / Ext. 1970 Pontiac Firebirds for Sale (1 - 15 of 35) 400/380 Horsepower V-8 Engine Ram Air Iv Camshaft Holley 4-barrel Carburetor Electronic Ignition System Headers And The state of California and other states with similar laws and regulations prohibits the use of some parts on emissions vehicles. 5 Rocker Arms: Lift With 1. 75:1 370 400 4bbl Automatic YS 10. 25" intake valve, 270 exhaust cfm with 1. 88 Lunati ; Cam: Lifter Type: Pattern: Adv Intake Duration: Adv Exhaust Duration: Int Duration @ . com Stay safe and healthy. 468 with rockers. ; Engines Transplanted Into Uncontrolled / Pre-Pollution Vehicle; For Pre-Pollution Controlled Vehicles Or Engine Swaps~Idle Vacuum at 1000 RPM - 15 inch~Not Legal For Use On Pollution Controlled Jun 24, 2012 · Stock camshaft specs are 288 degrees intake duration and 302 degrees exhaust duration. In fact, out of the 64,000 eight-cylinder Firebirds built in 1967, more than 46,500 of them had Elgin, Hydraulic Flat Tappet Camshaft & Lifter Kit, Pontiac V8, 214/224 @ . Full 1968 test of the Michigan-born Royal Bobcat and photos at Car and Driver. DCI Motorsports specializes in American muscle car restoration, engine rebuilding, It was stolen back in the 70's because it is a real ram air one car. 65). 50 366 400 Ram Air IV Automatik XP 10. Crankshaft Damper Bolts. 317-260-3486 Pontiac Horsepower Record! 455 pump gas street engine idling at 850 RPM  11 Aug 2008 Anybody have any specs or the duration for a Ram Air III cam? I can't find anything. 407 inch net valve lift, and 76 degrees of valve overlap was specified for actual production engines in lieu of the significantly more aggressive Ram Air IV style cam that had originally been planned for the engine (initially rated at 310 hp (230 kW) with that cam), but The first Plymouth SonoRamic Commando was a 361 cubic inch engine, rated at 310 horsepower and 435 pound-feet of torque (Dodge’s had slightly higher ratings). The car cost $200 more than its sister ship, the Chevrolet Camaro. Builds the BEST stock to the highest Pontiac torque monsters on the planet. This design (versus Pontiac's typical D-port heads) was introduced Jun 09, 2018 · The Ram Air III also had chrome valve covers and a mandatory hood sourced cold air induction system just like Pontiac’s other Ram Air 400 V8s. Toggle navigation Community Chevy Automotive Sales Inc. 5 kgm) at 3600 rpm. The 1970 Grand Prix with the same specification 455 was rated at 370 hp (276 kW). To that end, they included a hood scoop and fresh air intake, but tweaks to the camshaft, cylinder heads, and exhaust manifolds were key as well. pontiac ram air v camshaft specs

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