Pontiac ram air v dyno. Best intake port 1969-70 Ram Air V.

Pontiac ram air v dyno View Result. 5” manifolds, so the test data will be good with these “cheap” headers. ModelPontiac GTO. Very interesting reading. my goal is to drive it every day and run mid to low 13s. The ARP head bolt part number is 190-3605. Perfect entry level DCI Ram Air Five (RAV) engine utilizing a factory block. 5:1 ratio rocker arm) identical to the successful number-041 that camshaft whiz Mac McKellar designed for the Ram Air IV. mCcarty Racing Street Crate Engines. Trying to narrow some What headers are you using for the dyno runs. The two Ram Air V8s debuted for the 1969 model year, with the Ram Air III offering 366 horsepower and the Ram Air IV bringing 450 or so ponies to the table. The Pontiac engineers knew the deficiencies of RA V 303 SOHC Trans Am Mystery Engine Pontiac Hemi Head Story Pontiac's Ultimate Power Program The Great Break Away The Engine That Never Was Trans Am RA V 303 The Farmer's Stash Pontiac Hemi Tractor Pontiac Ram Air V Pontiac OHC V-8's Pontiac 421 Over Head Cam GP Air Fare - RA VI and VII Butler Exclusive Pontiac Ram Air III "744" Hydraulic Roller Retrofit Camshaft and Lifter Kit, 279/291 224/236, . Pontiac Ram Air V Story HOME Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 The 1969 Pontiac GTO Body Styles, Engines, and VIN Decoder. The McCarty brothers have long At 67cc, the Ram Air V’s combustion chambers were smaller than other Pontiac Ram Air engines, which were 71cc or 72cc, but it used the same 2. Pontiac GTO Dyno Testing - Shootout - High Performance Pontiac Magazine 10) This ACTUAL PRODUCTION LINE 1966 "335 HP" GTO Unlike other Ram Air engines that relied on Quadrajet carburetors, the Ram Air V intake was designed to use the 850-cfm Holley four-barrel, similar to what was found on the Chevy L-88 427 engine. It dyno tested at 340 HP without the ram air manifolds. 77 valv Ram Air III heads are standard D Port w a better spring. 5-liter V8 for 'standard' Firebirds and GTOs, and a Street DCI Ram Air Five. visibility 16 View count is the number of times the vehicle detail page has been opened in the past thirty days. Ram Air V BackgroundPontiac's Ram Air V program is, without a doubt, one of the most mysterious and legendary projects in the division's history. 24 of the Ram-4 GTO/Judge Convertibles received the Muncie four-speed manual transmission. That is, bolt it together in your garage. With the duals it made 452 HP @6700. For the Ram Air III the big difference was the slightly more aggressive cam and nice flowing exhaust ports and carb calibration. Manifolds - Huge Aftermarket vs. 670 heads, 9. 46 rear, (depending on what I can get) My 455 made 455. Hydraulic Lifters. 48, No. How much power can a hotel-assembled Pontiac 455 engine make on the dyno?Subscribe to @DGHD | Merch: https://debossgarage. 0 L) variant for NASCAR, a 400 cu in (6. I’m interested in quality of sealing surfaces, and fitment. Special than Ram Air IV on the dyno Today Ram Air V pieces are highly coveted by a small-but-dedicated crowd of hobbyists, and they command a premium. But obviously Pontiac Engineers recognized that 12-bolts were definitely needed due to the Torque and Horsepower in the 455's larger displacement motor. The owner wanted a very mild cam to maintain engine vacuum and power brakes, so a mild hydraulic roller with specs similar to a Ram Air IV was used. #1 · Jun 30, 2012 . 08, 3. Designed by McCarty Racing and built by BES. Extended Warranty Eligible . 600) iron D-port heads vs. 8 horsepower at 8,100 rpm from 609 cubic inches. Pontiac Ram Air V Crate Engines 317-260-3486 lmc3470@aol. 470" lift won't really produce more power. It looks like This is a quick video featuring the Dyno test of this 406 cubic inch Pontiac being installed in a 1970 GTO. VIN: 223379N107589. the OTRCAI (Over The Radiator Cold Air Intake) is one of those things like the Hurst shifter that a lot of people get really excited about with nobody Pontiac's Ram Air Rarities - Page 1 In another thread on this site, I found this place to be interesting. I really want to do a cam swap as well, but a well known vender is really pushing a hydraulic roller swap (pricey) and wouldnt even recommend a flat tappet (which they sell) due to the risk of wiping a lobe. '70 Judge 400 RAM AIR IIIGregg Miller's '70 Judge runs a Ram Air III engine Ram Air Series Cam from Butler Pontiac - Street. Stock Exhaust Dyno Test - High Performance Pontiac Magazine Bear . Using the original Qjet, iron intake, 670 heads with 2. @ 97. This design (versus Pontiac's typical D-port heads) was introduced Idle demonstration www. Not only have we reproduced this legend in aluminum we also put it on steroids. The SD-455’s undersized drive gear required a new camshaft Pontiac Ram Air V Crate Engines 317-260-3486 Dyno sheet shown is for a completely stock single 4 barrel pull!!!! This single 4 is the stock height of a cast iron standard Pontiac engine. My advice would be a more torque oriented cam with a much lower rpm power curve. I guess its thought to be the first Ram Air engine because the FB and GTO had a Ram Air hood and ductwork available for the same 400-4bbl 670 D-port engine. , WS block, 48 heads. Check out these McCarty Racing Ram-Air V heads and new design intake on the dyno. It was a 400 with 670 D-port heads in '67 Firebirds and GTOs. It can be shown, using the concept of "velocity head", that at 100mph, it is possible to see a 1% The 69 Judge certainly is a great car, but they used a Ram Air III version instead of Ram Air IV, and if they would have used a 70 instead, they would have had the 455. We would like to thank all the GTO forum members who tested and ran our prototype mules for the As Cast Ports, Fully Machined with Seats and Guides Installed. com The standard engine option in a Judge for 1969 was a 366-hp, Ram Air III 400-cu-in engine. Best D-port head No. This engine was built to show Pontiac racers what an economical stock block with just regular components RAV is worth on a real dyno used everyday substantiated by real race cars on real NHRA race tracks. Since the 350 H. Joined Jun 18, 2009 · 3,165 Posts #23 Pontiac Tunnel Port Ram Air V 1219. was not produced, these high compression heads were re-allocated and used on the Ram Air III instead. The original set up in 1967 concentrated on improving how the engine would More about DCI Split-Port Ram Air V Heads. On a stock iron head GTO 400CI, going over . Save Share much bigger difference. 5 rockers, in most all my 455 bracket engines. or Ram Air manifold. 45 sec. it put out 463 hp at 6,600 rpm at the flywheel on the dyno. "Tom had already done enough dyno work with the Ram Air IV heads to know that they had all the potential we needed for the 303," Jeff About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Very interesting. 6X Best balanced head (exhaust to intake) : 1963 421 SD Best low-lift (under . On stock-ish engines, tubing headers really don't offer much improvement. He saw the birth of the first Ram Air engine and the Ram Air II, III, IV, and V engines. The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. It became synonymous with Pontiac’s A-Body-spec Ram Air engines beginning in 1968, and many commonly refer to it as an H. 495/. MPN: PCE281. Engine is stroked to 461 CID, dished Icon pistons (designed by Spotts Performanc The log manifolds were replaced with Ram Air Restoration Enterprises 2. Car and Driver I think recorded a 13. 0 L) short deck version for SCCA Trans-Am racing, a 366 cu in (6. 1969 Pontiac Firebird Trans AM Ram Air V. 6. Best low-lift (under . I of course didn't want the stealth look and swapped in the RPM intake, 1. IF you want to go back from there with a 3" exhaust system, you can, but honestly unless the engine is truly putting out near 500 hp at the flywheel, seriously doubt the 2. Diffrent sources have diffrent times. 670 Ram Air V vs Ram Air IV vs KRE/Edelbrock - You Make the Call Pontiac I'd even go as far as to experiment with RA manifolds and headers on both the dyno and at the track. Pontiac Engine Porn: 1,219. . 507/. 1000 cfm Carter Thermoquad Competition Series carburetor on Pontiac Ram Air V 455 engine tunnel ram solid flat tappet cam headers During SD-455 development Pontiac engineers decided best general performance was achievable with valve timing (308/320 degrees) and lobe lift (. CFM cylinder heads (or even nitrous) if the exhaust components can’t get rid of the burned combustion gases. The RAM Air IV cam in a 455 Pontiac - Street Remember Me? Join us now! I'm thinking of using the RAM AIR IV cam in a 9. The numbers dont lie, as the naturally aspirated 609 cid engine hits a Pontiac record-setting 1219. True 9. No other trick parts – the engine was pretty much a 1967 GTO 400 with a mild roller in it. 40 . I always used a Mr. it's a driver and i have been driving it Description of 1971 Pontiac Le Mans: The GT-37 was advertised as the “Poor Man’s GTO”. It was used through 1972 in certain A- and G-Body applications and many 1970–1974 Firebird models as well. When you look at motor ratings you see the factory rating of Ram Air IV Horsepower at 370HP/5500RPM, and the 455 HO at 360HP/4300RPM, which I wouldn't think is the 455's peak RPM. I have used the Hypertech Power Programmer Plus Scan Module to record Mass Air Flow (MAF) measurements during a 3rd Revving Pontiac's tunnel-port Ram Air V. Pontiac's Ram Air nomenclature can be confusing for the uninitiated, but what set the Ram Air IV apart were its round-port heads. You are going to see a Pontiac engine, built by the McCarty Racing team that uses a set of their insane Ram Air V heads make 1,200hp naturally aspirated and sing to 8,300 RPM. 2 sec. Traditional Pontiac’s are our specialty, although we do restore and work on all makes and models. This is our first try and we Capable of 800+ HP on pump gas as cast with minor clean up (Dyno proven !!) Flow data with 2. US $1,690. FAQ: Members List: Social Groups: Calendar: Search: Today's Posts: PY Albums: FAQ: Community: Calendar Decided to make it a ram air car. 5 CR calif pump gas engine. I know a guy running 9. Undaunted, the team took this as an opportunity to get onboard with Pontiac's new Ram Air V program. 5 ratio rockers: . Read more only at www. 5:1 compression, which we’re good with, but the new aluminum heads are based on the Ram Air IV design, which feature D-shaped ports. They were also aware that lobe separation would determine where in the rpm range optimum power would be developed, and how lobe location would affect The Ram Air IV cam was designed for high winding 400's with stiff rear gears. 5" mandrel bent downpipes are mainly marketed to work with the aftermarket 2. No Reviews yet. So, I'm definitely not convinced by this shootout. 16, No. This engine already had 10:1 forged pistons, headers, Ram Air III heads and a nice camshaft, putting out in the neighborhood of 350 hp, but we wanted a little more. It looks like "bang for the buck" when all things are considered is with the cast ram air/HO manifolds. 450 Lift with 1. Custom chambers are available for an additional fee. 5” aftermarket Ram Air cast exhaust manifolds, but I can’t use these on my test run stand or on the dyno, so I run some old 3-tube headers for test purposes: The 3-tubes duplicate almost exactly the flow performance of the Ram Air 2. You Pontiac's Ram Air V engine was only ever fitted to a single 1969 Trans Am, primarily due to pushrod complications. 2sec on a RAM AIR IV Judge in 1969. 030 WS 400 with flat top Speed Pro pistons, stock #16 heads, stock '68 intake with a stock '68 7028276 quadrajet. We have various custom grinds that we have tested that give up very little power over 1 If you are a Pontiac enthusiast and love Pontiac’s. 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. he saw figures of 453 hp and 355 lb-ft on a dyno run. 5500 RPM dyno pull! I believe the Ram Air 2, 4, and 5 had some sort of rare round-port head. I called previous owner and he said it never had that From 1965 to 1968, Tom was the project engineer in charge of Pontiac V-8 power development in the Pontiac dyno lab. Quantity -+ Add to Cart I'm kind of surprised that Butler hasn't put together a few combos by now and put them on his dyno to advertise these camshafts that he basically brought to the market. 5:1CR, hydraulic roller camshaft for low maintenance, origi Best performance head 1970 Ram Air IV. Sold as a Pair DCI Split-Port Ram Air 5™ Product Details DCI Motorsports Inc. The last asking price is the last price detected by Classic. It looks like they may be able to fabricate something with an underhood ram air pan by adding one of their systems to it? Running 9. 8HP/910TQ Jump to Latest 33K views 107 replies 45 participants last post by chief many horses Jun 28, 2018 *In 1970 the Pontiac division of General Motors built 40,149 GTO’s of which only 3,784 were convertibles. 45" outlet RA manifolds made by PYPES & RARE. Car is a an original 1970 Firebird Trans Am, with numbers matching Ram Air III engine (minus the original #12 heads), which was also Pontiac 400 Ram air IV , , 69 722 heads on Dynotest CPMotorworks,Inc of Janesville Wisconsin built 1967 400ci Pontiac for original GTO. 70 Pontiac TA Ram Air 4 manual 73 GMC 23' Sequia 455 Olds FWD 78 GMC 26' Royale 403 Olds FWD 93 GMC Typhoon AWD 3500 miles with both options 98 Honda Valk. At 67cc, the Ram Air V’s combustion chambers were smaller than other Pontiac Ram Air engines, which were 71cc or 72cc, but it used the same 2. Not the cam for a low rpm design like a 455, especially with an overdrive. I've tried all the factory performance grinds RAM AIR cams,HO grinds, not even close. Headers vs. The fabled Ram Air V engine was never used in a production car, but Pontiac had big plans for the last of its iconic engine line. DYNO’s and PEOPLE DO! (CHARTS HERE AND PICS OF UNITS ON THE BENCH) The big Pontiac Ram Air 400 was also a victim of underrating, advertised at 366 HP at 5100 when in fact maximum power is 410hp @5600. But Like Chevrolet’s ZL1 Corvette and Buick’s Stage II Gran Sport, Pontiac’s Tunnel Port Ram Air V is part myth, part magic, and has been the subject of urban legends for decades. The Comp Cams XE274H hydraulic cam remained The 69 Judge certainly is a great car, but they used a Ram Air III version instead of Ram Air IV, and if they would have used a 70 instead, they would have had the 455. The Pontiac engineers knew that heavy automatic-trans cars would not perform properly with a longer-duration cam, such as the 9794041 Ram Air IV camshaft, so they were not installed in such cars. 0-liter V8 for NASCAR applications, a 6. 0 L) adaptation for drag racing. Ran it with a single 4bbl carb as it will be put in the car and a 2-4 intake with a pair of small AFBs. 030 dyno at 515TQ/475HP at 5400 rpm before sequential carb tuning. The "Ram Air 1" was not really a Ram Air engine. I'm into pontiac's pretty heavy and that is the best cam I've ever run. 5:1 455 motor. 470-inch with 1. Plenty of people over the years have installed the ram air IV camshaft in the HO cars with "decent" results. 9. Building a 1969 Pontiac Trans Am with a 303-Based Ram Air-V Engine - High Performance Pontiac. BearGFR Springtown, TEXAS. 96(1971) Best low-compression post-1972 head No. 430 CFM Street/Strip Porting, Fully Machined with Seats & Guides Installed DCI Split-Port Ram Air 5™ Product Details DCI Motorsports Inc. 8HP/610TQ. (car is 69 judge Ram Air 3). 65 ratio rockers: . 250″ intake valve and 1. 46 compressioncan't see any of that from the outside. Information provided by the Original Parts Group. The 068 cam specs are (212/225 . com. Era1970s. Will post a vid. 400) head : 1967 Lot S163A correctly-restored one-of-a-kind Ram Air IV convertible with Pontiac Historical Society documentation, this 1970 GTO Judge is an outstanding exampl From 1965 to 1968, Tom was the project engineer in charge of Pontiac V-8 power development in the Pontiac dyno lab. Others with more experience or actual experience with your combo will hopefully chime in. 25-in stroker crank brought the cubes, stout induction pieces, and trick ported and chamber-modded Edelbrock heads, by 1972 Pontiac GTO 455 HO Ram Air High Output 1 of 325 RARE! PHS Documented Judge. 12 (tie) Best low-compression D-port head : No. High Performance Pontiac magazine has conducted and objective comparison of long tube headers, shorty headers, and RA manifolds. $299,900 info This listing was either sold, or removed, by the seller. 400) head 1967 No. com/stores/nicks-garage-gear-----Nick's Gara Check out our engine dyno pull of the amazing Pontiac Ram Air V, known as Chief Stomp Em. Has anyone run back to back test on race ported (260-270 @. " - Thomas Jefferson There's no "dyno proven difference" between ram air and cold air, because the vehicle isn't moving on the dyno. 5:1 400 build for a 4 speed 1967 GTO. OK, the best mine can be called is AAI or Ambient Air Intake. has brought back the ultimate, ultra rare, holy grail of well if you wanna run real fast use the COMP Magnum 305H. 495 Duration: 224/236 Lobe The 1969 Pontiac GTO Ram Air IV is a highly coveted muscle car, especially in Judge and convertible models. He saw the birth of the first Ram Air engine and the Ram Air II, III, IV, and V Forum; LSx Technical Help Section; General Help; Pontiac Ram Air V - Chief Stomp â STOCK Pontiac 421SD 405HP vs Stock Chevy 409 409HP DYNO Test. 14. that's a lot better than the 20-50* increase over ambient that most intakes see especially right after sitting at a light and for several minutes after taking off. A 0. Our Pontiac heads utilize standard Ram Air Iv head bolts or studs. They were also aware that lobe separation would determine where in the rpm range optimum power would be developed, and how lobe location would affect idle quality. View all listings Notify me about new listings. If you are a Pontiac enthusiast and love Pontiac’s. Ram Air V. See All 6 Photos. The Ram Air IV cam was designed for high winding 400's with stiff rear gears. They raced some of the fastest Pontiac cars n NHRA history in various forms and classes. 450 HR115 (0) Reviews: Write first review. This was going to be a very interesting test. Unlike other Ram Air engines that relied on Quadrajet carburetors, the Ram Air V intake was designed to use the 850-cfm Holley four-barrel, similar to what was found on the Chevy L-88 427 engine. Remember Me? Join us now! Menu. this was with no tuning. 65 ratio which puts the lift at . On a dyno it performs similarly to a RARE Ram Air manifold with oversized outlet, but Ram Air Series Cams- Features the Original 744, 067, 068, and 041 Style Reproduction Cams and the Exclusive Ram Air Retrofit Hyd Roller Cams ground by Comp Cams exclusively for Butler Performance Welcome Guest My Account Order Status Butler Exclusive Pontiac Ram Air III "744" Hydraulic Roller Retrofit Camshaft and Lifter Kit, 279/291 224/ High-Performance Ram Air Versions . If you have 30 minutes to spare, check this video out and let me know your thoughts. 2. 4hp and over 530tq on KRE's dyno with the RAIV cam and 232cfm 6X heads. me and Edelbrock patterned its Performer RPM aluminum Pontiac cylinder heads on Pontiac's '69-'70 Ram Air IV casting, which used the round-port flange. Butler Performance further worked-over these heads to maximize the airflow. On more modified ones, much bigger difference. While only advertised at 370 hp, many Poncho fans consider the Ram Air IV to be another one of Pontiac’s usual tactics of fudging horsepower It became synonymous with Pontiac’s A-Body-spec Ram Air engines beginning in 1968, and many commonly refer to it as an H. 26 (15%) Single Points Earn 1690 Points . The owner intends to install the 2. we will be back in the spring to se pontiac 366 NASCAR Ram Air V engine Just built a very rare 366 NASCAR RA V engine for my 69 bird. On a dyno it performs similarly to a RARE Ram Air manifold with oversized outlet, but it weights Speedmaster ram air IV flat tappet heads with a edelbrock 7156 intake. You have probably dreamed about owning the most rare and highest performance cylinder heads Pontiac Motor Division had to offer. Pontiac planned on rating the engine at 375 According to Motortrend, Pontiac project engineer Jeff Young oversaw a dyno session with the Ram Air V. 2165 UPC: 840136532415 . Pontiac initially had big plans for the Ram Air V and produced a number of supporting intake systems, including single- and dual-quad versions. 070 overbore and a 4. In the Motor City’s muscle wars of the 1960s, all the automakers were fighting a Hoonigan Kicks Up A Drag Racer Battle Between An S-10 And An RX-7! Rub Some Dirt On It: Tractor Pull Carnage Compilation For The Win! This video featuring 1,200hp Naturally Aspirated Pontiac Horsepower Dyno Power Check out our engine dyno pull of the amazing Pontiac Ram Air V, known as Chief Stomp Em. The GT-37 was essentially a stripped-down performance car for those on a tight budget. stock intake and 800 Qjet. Gasket 2 degree(4 crank degrees) advance key, to make up for timing chain stretch, which happens almost immediately, during or The truth is, there were actually four versions of the famed tunnel-port Ram Air V V8 developed: a 303ci short-deck version for SCCA Trans-Am racing, a 366ci version for NASCAR, a 400ci powerplant Nick's Garage Gear Shophttps://teespring. in. This test was performed exactly the way the engin Idle sound of Pontiac's tunnel-port Ram Air V. More about DCI Split-Port Ram Air V Heads. Pontiac initially offered Ram Air as an upgrade package for GTO owners. 1969 Pontiac GTO Judge Ram Air IV Mecum. I looked at the Motors Manual and they show 195 pressure. FAQ When someone talks about a Pontiac Ram Air (numbers II through IV), they’re talking about a series of limited-edition, 400-cubic-inch muscle car engines built from 1967 through 1970. Completely street with moderate valve springs and street cam to represent HP by just bolting a mild set of street heads with a stock intake on to an OEM The 2. Eddie was invited by Pontiac Engineering to attend a seminar on the new tunnel-port Pontiac V-8 DCI Ram Air 5 Heads 430 CFM Street/Strip Port Bare Pair. 8 mph Here is a whole slew of vintage Pontiac tests - many of which were performed on SLICKS and with lots of mods. EXHAUST GASKETS We recommend the use of Edelbrock exhaust gaskets #7281 or any comparable item of your choice. The automaker . 8HP at 1969 Pontiac GTO Judge Ram Air III 400 cu. What fuel? Induction? Save Share Reply Quote Like. The 400ci Ram Air IV V8 is equipped with a single four-barrel carburetor and was factory rated at 370 horsepower and 445 lb-ft of torque. 50-inch mandrel-bent head pipes. The design is set around the new GM ZETA platform that will also become the new Camaro. 600) Ram Air IV heads with everything else being equal? Yes, you can buy aluminum heads but it would be cool to hear feedback/opinions on this topic. 1969 GTO ram air 4 The Pontiac engineers knew that heavy automatic-trans cars would not perform properly with a longer-duration cam, such as the 9794041 Ram Air IV camshaft, so they were not installed in such cars. "Butler Exclusive Pontiac Ram Air IV "041" Hydraulic Roller Retrofit Camshaft, 287/296 232/241, . ramairv. This is a new record for normally aspirated traditional Pontiac V-8. Just got it off Joe Shermans dyno. 785 stroke Pontiac Tunnel Port by McCarty Racing www. O. The rusty, nasty and bad a$$ sounding Hedman full length tubing headers are staying on my '65, though!! Spent the day getting the firebird dialed in for a proper baseline so we can do some minor tuning after we get a few of the minor issues figured out that we Actually some magizines got 1/4 mile times on RAM AIR IV GTO's within low 13's or low 14's. I think power wise, they would be just as good as headers on my 350. 6X. Read the article on Pontiac GTO Dyno Testing, brought to you by the experts at High Performance Pontiac Magazine. 23, or 3. MakePontiac. The shop, which is located in Atwater, Ohio, is owned and ran by Master Technician Don Johnston. The 48 heads were the heads originally intended for the never-produced "350 H. I'm not sure exactly how The CNC heads are patterned after the port flange configuration of the 1969-1970 Ram-Air IV Pontiac heads. 77 valves. It idles around 1,200 rpm and through reproduction Waldron exhaust. 8 seconds. The heads, intended for the 350, had 72 cc chambers. Testing parameters with Ram Air manifolds and 2. If you just wanna see what Pontiac cams Summit has listed on their site, you can enter "camshafts", in the "Search" block, then click on "hydraulic flat tappet", then enter the car brand & engine. Think about it this way - the vararam is sucking up air from behind/around the radiator, the coldest air you're going to get into the engine bay, the radiator fan pulls air toward the engine anyhow so you're going to amplify the effect - air is already being pulled in from that general area, add to that the shear size/surface area of the filter, and the fact it travels maybe In 1969 Pontiac created four versions of the Ram Air V engine: a 303 cu in (5. A few years ago we dyno'd a engine similar to yours, 461", around 550 horsepower using a set 1 5/8" headers because the car was going to use Ram Air exhaust manifolds when actually installed. 45-inch outlet ram-air manifolds and its 2. Here’s the engine loaded in the back of the truck and heading to the dyno shop: The hyd. Join us now! Menu. Most Pontiac enthusiasts are familiar with the Ram Air V’s most distinctive feature—its bench seats, and air conditioning that freezes your nuts off. 6 comp with 455 +. Perfect for head turning street or mid level street/strip use. The numbers dont lie, as the naturally aspirated 609 cid engine hits a Pontiac record-setting Here, a 1969 issue of HOT ROD Magazine leads with a cover image of a then-new 400ci Ram Air V engine. Number Six: Buick GSX 455 Stage 1 The Buick GSX 455 Stage 1 has recently been recognized as one of the great muscle car engines of the 1960s and early 1970s and is enjoying a revival of sorts. DCI is committed to I have shown the "041" Ram Air IV cam using the 1. 15; A factory valve cover fits without modification; All of our castings are cast without combustion chambers so that we can update them for the intended application. The 1969 Pontiac Trans Am Ram Air V is the rarest of its breed, with only 1 ever produced. A total of 37 GTO/Judge convertibles received the 370 HP Ram Air IV engine. 3. Tom Dyno test and tuning this mild, pump gas friendly 9. Same as all the D port heads for the regular factory muscle cars. Operating under the infamous GM Racing Ban of 1963 All around street-road high performance with occasional 1/4 mile track appearances. The trans will be a 700r4 with either a 3. 5 ratio rockers instead of the 1. The first optional power plant, initially known as the “400 HO,” then as the “Ram Air,” and finally the “Ram Air Pontiac planned to build four iterations of the Ram Air V engines: a 5. 25" crimp bent head pipes Pontiac Tunnel Port Ram Air V 1219. Pontiac built the Ram Air versions in a total of five different stages. 77-inch valve sizes. The estimate now is the motor is putting out about 350 HP. 0-liter V8 for the Trans Am, a 6. Google News. However the engine really doesn't have the compression ratio to take full advantage of it. 3fastgtos · Registered. Their most significant differences come in Pontiac 400 455 215cc 72cc Ram Air IV Hydraulic Roller Assembled Cylinder Heads. Young says that the Ram Air V was producing 475 horsepower at 8,200 RPM, making it one of I used that cam, mostly the Melling version, and Rhoads lifters, with 1. 407 116) My car will have a 4 speed and 3:55 gears. The original set up in 1967 concentrated on improving how the engine would breathe. The Ram Air V engine series includes different iterations and sizes of the engine My engine will be a . We wanted to somewhat duplicate those without going to the trouble of adapting the dyno exhaust to the ra manifolds. The Ram Air IV is considered to be the most powerful V8 fitted to a GTO. ported (290-300 @. 25″ test Comparison -- Pontiac Ram Air Hood Effectiveness Here is a test performed both on the dyno and on the street. One advantage you have is that the ram air IV cam is much more tame in an HO with 55 more cubes to soak it up. Description: The Butler RA Series is an updated cam lobe designed and ground by COMP CAMS exclusively for Butler Lift with 1. Founded in 1991, it was also 2 thoughts on “ PONTIAC RAM AIR 400 VS CHEVY LT-1 350? WHICH GM MUSCLE MOTOR WAS REALLY THE TOP SMALL BLOCK? ” Ed Wallace November 30, 2022 at 5:36 pm. The Comp Cams XE274H hydraulic cam remained Has anyone run back to back test on race ported (260-270 @. 12 (tie) Best low-compression D-port head No. 541 HR113" Just looking for some feedback. Pontiac G8/ GXP/ Holden, Ram Air system (code name Ram air V) At a glance: • Produces a real-world 35hp+ • A direct bolt on This system was designed from day one as a true ram air system. I'd probably start with a set The GTO/ Holden air induction system (code name VR-SD and SDR) This system has been a long time coming for the GTO/Holden owners. 14 US $1,988. - 1979 Pontiac Trans Am - "A government big enough to give you everything you want, is strong enough to take everything you have. 96(1971) Best low-compression post-1972 head : No. The DCI Ram Air 5 heads will bolt onto a factory block with bores as small as 4. Conv. Who knew this innovative new architecture would never make it to production? This is a max effort 4. Thanks Aaron 400 cubic inch V8 Ram Air IV, four speed 0 to 60 mph . Power is supplied by a numbers-matching 400ci Ram Air IV V8 paired with a close-ratio Muncie M21 four-speed manual transmission. Here's Butler's dyno sheet. 65 rockers and an 850 QFT carb that I have tweaked. The standard engine option in a Judge for 1969 was a 366-hp, Ram Air III 400-cu-in engine. 11/1. 6 seconds, while a 1970 Chevrolet Chevelle SS with a 450-horsepower 454 LS6 V-8 ran it in 13. 90's and up. WS6 manual 02 Pontiac The 468 Pontiac began life as a passenger car 400. 5 bore 4. " that was slated for use in the low-cost GTO "ET" (which was changed to the high-end "Judge"). A typical How good is the quality on reproduction ram air exhaust manifolds? I’m not looking for show car correctness. I lean towards RA manifolds to complete the sleeper look, and it could possibly mean some value to others if you are worried about that. 6 L) version for street use in GTOs and Firebirds, as well as a 428 cu in (7. A 1969 Pontiac GTO Judge with a 400 Ram Air IV could blaze a quarter-mile in 13. com/merchWatch more of this series: More about DCI Split-Port Ram Air V Heads. I just want a good running 400 that will have a lot of low end torque. 407 . Running it with the stock air cleaner it struggles to even pull to While it was never offered in a production vehicle, the pinnacle of Pontiac performance in the 1960s was the almost mythical Ram Air V. Bid to $75,500 on 4/8/24 94 Comments. Although I'll have the gearing to help me out. Build to Order. glasgo 69 gto ram air 4 and 70 judge ram air 4 dyno day,the 69 made 392 hp,and the 70 made 384 hp. You Save US $298. I will also be running stock ram air exhaust manifolds. roller cams are perfect for use with Ram Air manifolds because the fast lobe ramps reduce overlap while providing more power building area under the curve at higher lifts. Gary Kubisch said: There are a lot of NA 1050 + HP single four Pontiacs out there lately. by The Throttlestop Sep 30, 2023 With the exception of certain limited production Super Duty and Ram Air engines that used mechanical camshafts for maximum performance, all other Pontiac V-8s were fitted with hydraulic lifters. 68″ exhaust valve with our Street Porting Flowed on a Super Flow 600 bench at 28″ of test pressure on a 4. Add to Garage Last Asking. The McCarty brothers have long been known as Pontiac stalwarts. I have heard of people using a 455 with the ram air IV cam and turning 12s but that is in a much lighter car. That Pontiac is a RamAir3 head. Best exhaust port 1 968 1/2 Ram Air II. Best balanced head (exhaust to intake) 1963 421 SD. This design (versus Pontiac's typical D-port heads) was introduced Edelbrock patterned its Performer RPM aluminum Pontiac cylinder heads on Pontiac's '69-'70 Ram Air IV casting, which used the round-port flange. highperformancepontiac. Best intake port 1969-70 Ram Air V. has brought back the ultimate, ultra rare, holy grail of Pontiac’s: The legendary Ram Air 5 cylinder head . High-Performance Ram Air Versions . The rest is stock stuff. 70s in an all metal 76 Trans Am with Ram Air IV heads so I was wondering. 45" equiipped RA manifold 3" mandrel bent pe system will gain Built in June 1969 and delivered new to Cathcart Pontiac of Trenton, New Jersey, the car reportedly underwent a refurbishment around 2007 and was acquired approximately nine years ago by the seller. 6 cylinder Windshield & Hard Bags 99 Pontiac TA 30th Anniv. Alum heads and even oem RA IV 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. Real world test on an engine dyno. While the original MSRP was much lower, current prices are driven by the exclusivity and collectibility of the Ram Air IV GTOs. If that wasn’t butch enough, an optional Ram Air IV 400 engine could be selected. Prices for these rare vehicles can reach over $600,000, making them some of the most valuable muscle cars on the market. com, the official website for High Performance Pontiac My 69 RA 3 Judge has some port work done and an UltraDyne “close to RA4” spec cam. The interioris different than the GTO, which had bucket seats, it has a bench seat. 518". The Performer RPM packages require 9. 12 of the 24 GTO’s had “The Judge” option and 12 did not. The Pontiac Ram Air V Never Made It To Production . 1970 Pontiac GTO Ram Air IV Hardtop 4-Speed. 450/. Standing 1/4 mile . com Spotts Performance builds a stout 1970 Ram IV for 70 Bonneville Funeral car. I always enter Pontiac 455. Lance Kramer’s Ram Air V engine was built using NOS components including the mechanical camshaft. Idle demonstration www. Condition: New: Make: Pontiac: Model: GTO: Trim: 455 HO: Year: 1972: Mileage: 99,999: Color: White: Engine: V8 Other: Transmission: Automatic: Interior color: Black: Vehicle Title: Clear: (Ram Air) Unitized Ignition Tach and Gauges 455 HO Saf-T-Track AM Radio Door edge Apply the correct year of Pontiac engine paint and you can fool the non-Pontiac guys. I looked for some 722 heads to no avail and stumbled on to the RAII heads Pictured but after a phone conversation with them about Building a 1969 Pontiac Trans Am with a 303-Based Ram Air-V Engine - High Performance Pontiac. hauyhp hulxxql nhrwwrj mrez biekc wkkelit rfji tecpr ygghny qzuh