The cherry Trans Am could go for more than $100,000. Welcome to the Nitemare Performance Dyno Laboratories. A great feature of all Pro-Flo 4 systems is the Bluetooth connectivity with the Edelbrock's exclusive E-Tuner app. If you want that muscle car rumble and 455 power, this is your car. [email protected] on real street tires and pump gas in a 4800 pound 72 455 SportWagon. The 455 it seems is a problematic issue I have had 0 luck with these all have blown up or failed in some way. Pontiac V8's (except Ram Air V and 265/301 V8's). I have a few projects (56 Buick , 55 Caddy) that could use a 455 Buick Olds or Pontiac engine. How hard to get 400 hp out of a 400 pontiac engine SE clone ,then maybe the direction a Guy should go is with pontiac's 455. Engine Dyno. I was told my current compression ratio is 8:1 and swapping out the #17 heads and installing the #64 heads would put me at 9. The early 1970s 455-powered Grand Sports are incredibly potent cars, capable of quarter-mile times in the 13s straight from the dealership. 1973 Trans Am Dyno and test drive. Model year 1976 was the last year that Pontiac produced the 455 cu in (7. The 455 wielded massive horsepower, but a new horsepower rating system and tighter emission controls drove the 455's power lower each year until GM abandoned the engine in 1976. Made over 480 HP and 530 ft/lbs torque. Dyno tuning is an easy and accurate way to ensure that your Pontiac is running its best. Kits available with compression ratios ranging from low to high, making it a good fit for many applications. It put down 848 rwhp and 861 lb-ft of torque on 23 psi. 2017 Pontiac Trans Am 455 Super Duty Design. of torque when used with #7156 intake and #60599 cylinder heads on a 455 engine. He said all of the RA V engine is never underrated to 425 Hp. Maybe 400 hp out of the 400 was an. It is the most credible, highest-rated, longest-running tech content on television. Read on as we take out our two-bolt 455 block engine out from out 1973 Pontiac Bonneville wagon and build up it's horsepower. Based on production block and heads, this combination provides plenty of power with quality bottom. #64 Heads, sevice replacement block. Browse 1974 Pontiac FIrebird For Sale in The MCG™ Marketplace. Low compression and very mild custom grind hyd roller cam with a F. Pontiac V8's (except Ram Air V and 265/301 V8's). 030 overbore by previous shop was not correctly toleranced for forged. 400 Pontiac Crate Engine 450 HP With Aluminum Heads We tune your engine on the dyno for maximum power. No more endless. I'd definitely talk to a cam maker who deals in Pontiacs or go on performance years or another Pontiac forum and look around. 8:71 BDS blown Butler Performance Pontiac on the dyno. Pontiac 455 Tri-Power #americanmusclecarsplymouth. A dyno session is not a 30 minute assembly line job, it takes most of a day per engine to do the right kind of job. Car is a 1980 Turbo Trans Am that's run a best of 9. 64 cylinder heads. Super Duty 455: There are a lot of Pontiacs powered by 455 engines around today. Pontiac Straight-8 Engine - Wikipedia, The Free Encyclopedia Pontiac Straight-8 engine Pontiac straight-8 engine; Overview; Manufacturer Pontiac became known as a performance division based upon the durable, well performing V8s that came later, all of them while the side-valve layout contains the moving parts of the valve train within the cast. As the years passed it lost some of the brutal acceleration it enjoyed during its 455. PowerNation TV is America's most watched automotive how-to programming. On a dyno it performs similarly to a RARE Ram. We "digitally remastered" this classic on our CNCs, upgraded a host of parts and converted it to a hydraulic roller cam supported by lifter valley braces. I was going in this direction primarily for the torque these engines produce. "under-rated," High Performance Pontiac magazine dyno-tested an SD and gave it an honest 371 SAE Net rating. 535 horsepower Pontiac 455 shortblock. GET YOURS NOW. Ordering the 'L75' 455 in the Pontiac Firebird Trans Am included the same packaged items as the previous model year, with the sole exception that the 'shaker' hood scoop call out now simply read "455". Rocker arms. The #64 heads are off of a 70 GTO 455 and are virgin. Builds the BEST stock to the highest Pontiac torque monsters on the planet. 65:1 rockers. Base, High Output, and Super Duty. Thus, the 1976 Trans Am was the last of the "Big Cube Birds," with only 7,100 units produced with the 455 engine. engine with cast iron #197 rd. 2cc chambers. Jon Kaase Racing Engines. I have a 1971 Pontiac Lemans Sport with a 428 engine in it. 1977 SE blocker II 450 hp. The name came from all the dyno testing we were doing on different combinations, this cam works so well in so many different applications we started calling it "Old Faithful" and the name stuck. Rocker arms. From the guy (me) who made low compression, pump gas, (93 or less,) reliable engines an. Note, though, that we used a '71 Q-jet, number 7041263 on our initial dyno tests. Have few parts laying around for a Pontic 400-455 Mallory unilite distributor sold Accel distributor 75, single plane intake sold, deep oil pan, Moroso possibly 9/3/4 deep sold Also two sets of 67-69 Camaro Oem control arms, rebuild with new ball joints and bushings, sandblasted and painted black One set has provisions for front mount rack and pinion (clear inner tie rods) 275. Pontiac's at idle & more donotwist; 1973 Brewster Green Pontiac Trans Am 455 Dyno. 62 heads 69. 65:1 rockers. If you are rebuilding a 455 Pontiac and want a stronger rotating assembl. 023" deck height on 4. GET YOURS NOW. Besides Roadmaster, I dare. 060 over with TRW Forged pistons. 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. It has since been upgraded by ARC Race Cars in New Oxford PA with a chrome moly roll cage, chrome Strange Strut Front end, double frame rail and 9″ rear, NHRA certified to 7. 1970 Pontiac 455 HO 370 HP GTO Convertible original 3-speed Frame off restored Orbit Orange, Black Top and interior, Power Steering, Power Breakes, A/C, and original radio. Howards Pontiac V8 Hydraulic Flat Tappet Camshafts at Competition Products! Howards, Hydraulic Flat Tappet Camshaft, Pontiac V8 265-455, Howards, Hydraulic Flat Tappet Camshaft, Pontiac V8, Custom. 5" stroke) and Edelbrock heads. 5L/455 Camshaft Kits with Hydraulic roller tappet Cam Style and get Free Shipping on Orders Over $99 at Summit Racing!. When C&D tested a 1979 4-speed Trans Am with the emissions-controlled W72 400 engine, the one with a 220-hp net rating and the "T/A 6. The book showed a few pics of a re-worked early Pontiac stock manifold that flowed just about as well, or better in many cases, than many of the expensive. Based on production block and heads, this combination provides plenty of power with quality bottom. Pontiac offered the 455 for a few more years, but tightening restrictions on vehicle emissions guaranteed its demise. Thus, the 1976 Trans Am was the last of the "Big Cube Birds," with only 7,100 units produced with the 455 engine. Pontiac 461 custom built crate engine 461 Pontiac Crate Engine 475 HP With Aluminum Heads He took a 455 crankshaft and machined it to fit in a 400 block. If you want that muscle car rumble and 455 power, this is your car. With kits available for. Pontiac Engines, Early (1955 to 1979) Pontiac V-8 engine parts and engine building. No, it's not the small block Chevy, it's an entirely different engine, although development started around the same time. 455 Oldsmobile High Performance Balanced Engine FREE professional crating and shipping in the contiguous US when you "Buy it Now"! International shipping available please contact us! This Oldsmobile 455 Crate Engine by Blue Monkey Performance would be EXCELLENT to bring your old Olds to life! This engine is custom built and can be built with a. 2cc chambers. How hard to get 400 hp out of a 400 pontiac engine SE clone ,then maybe the direction a Guy should go is with pontiac's 455. In 1970 Pontiac increased the displacement in an attempt to make up for reduced compression required by new government regulations. engine with cast iron #197 rd. Turbos are a pair of T04B 60-1's with. It has a total of approximately 2000 miles. I have a few projects (56 Buick , 55 Caddy) that could use a 455 Buick Olds or Pontiac engine. Pontiac Engines, Early (1955 to 1979) Pontiac V-8 engine parts and engine building. Pontiac GTO 455 Judge. Super Duty 455's used Pontiac's legendary round port cylinder heads while the non Super Duty used standard D-port heads. Besides Roadmaster, I dare. Pontiac 400 428 455ci Street Crate Engines Bill Cannon, the owner started racing with his first car, a 1965 GTO 428 4 Speed in 1975. Block 1974 455, standard bore, honed cylinders, standard 1970 455 pistons and rods(the pistons and rods are a set of used ones I had) std crank, polished journals, standard. 400 Pontiac Crate Engine 450 HP With Aluminum Heads We tune your engine on the dyno for maximum power. This is for 69-79 Pontiac 350-455 w/ 11-bolt water pumps Good condition If you see the ad, the item is still available $80. The above figures assume 10 cc for. That project is the restoration of his 1969 GTO. " If names were all that mattered, the Judge wins this one in a walk. Powering the Pontiac GTO 455 is an overhead valve, 7. From the guy (me) who made low compression, pump gas, (93 or less,) reliable engines an. Engine Dyno, Tuning EFI, Holley EFI,Engine Building, Pontiac Specialist, Cygan Speed Engineering in Butler. Looking for a shortcut. The '70 is basically the full size Pontiac and station wagon engine, D-port heads, a cruiser motor. Pontiac 400 455 461 488 495 High Perf Turn Key Dyno Crate Engine Edelbrock. We also have combinations for circle track, truck pulling, marine and more. As we already mentioned, the 2017 Trans Am 455 Super Duty is built upon the sixth-generation Chevy Camaro and GM's improved Alpha platform. That car had a 3. Cylinders bored. READ THE DATES ON THE DYNO SHEETS TO SEE HOW LONG I'VE BEEN KICKING ASS. If you've ever thought about "stepping it up a notch", now's the time. The Pontiac 400 has a bore of 4. Timing and carburetor adjustments are easily performed and the performance effects can quickly be measured. Used Pontiac V8 timing chain cover. The Pontiac Firebird is an American automobile built by Pontiac from the 1967 to the 2002 model years. 5 L) engine, and the final year of any 455 HO engine or package. I looked at the price of headers recently for my Poncho ( 50 Chieftain v D port 455 ) , and since its going to be a cruiser/strip car , I was up in the air about weather to buy a set of the Ram air manifolds ( long branch ) or the standard ram airs , vs the hooker super comps headers I normally buy ( will not by headman or others) as the price is the same for header vs manifold ( I have the. they came with the 455 block, crank, etc. The wonderful sound of a Rochester Quadrajet making a full-throttle pull on the chassis dyno in our 1972 Pontiac Trans Am with 455 H. engine with cast iron #197 rd. How rare are these engines and are they reliable? I am thinking about pulling that engine out and putting in a LS3 pontiac engine in my Lemans Sport. Because of the longer stroke, these kits will have more torque and balanced power than stock. It has been learned by experimentation (Detroit engineers, not us) that the VE curve has the same shape as the engine torque curve. Pontiac Stroker Kits Eagle Pontiac 400 and 455 Stroker Kits. When C&D tested a 1979 4-speed Trans Am with the emissions-controlled W72 400 engine, the one with a 220-hp net rating and the "T/A 6. High RPM's is not really in my plans. Dyer Blowers manufactures, sells and services 471, 671, and 871 kits for Chevy, Ford, Chrysler, Mopar, Dodge, Plymouth, Pontiac, AMC, Buick and Oldsmobile V8 Engines. I'd definitely talk to a cam maker who deals in Pontiacs or go on performance years or another Pontiac forum and look around. A dyno session is not a 30 minute assembly line job, it takes most of a day per engine to do the right kind of job. Timing and carburetor adjustments are easily performed and the performance effects can quickly be measured. Turbos are a pair of T04B 60-1's with. Browse 1974 Pontiac FIrebird For Sale in The MCG™ Marketplace. , a '70 Ram Air III Judge, and a '66 Tri-Power try their luck on our Tech Center's chassis dyno. I'm just looking for commentary on the pros and cons between these engines. Installing an Edelbrock Power Package on a Pontiac 455, Pt 1 Posted on June 2, 2015 by Jefferson Bryant in Engine , Racing , Tech // 0 Comments Performance modifications are typically a matter of trial and error, looking for that magic combination of what works for your engine in your situation. The 455 it seems is a problematic issue I have had 0 luck with these all have blown up or failed in some way. Jon Kaase Racing Engines. Purchase Pontiac 455 engine W/Kauffman Aluminum Heads, GTO,Firebird, Dyno Video motorcycle in Milford, Michigan, US, for US $6,700. PONTIAC 326 389 400 455 V8 Aluminum Intake Manifold Air Gap 3000-7500 RPM; etc. No, it's not the small block Chevy, it's an entirely different engine, although development started around the same time. engine with cast iron #197 rd. Dyers Blowers is one of the leading manufacturers of street strip superchargers. 120" bore and flat top pistons (no dome). This Edelbrock cam kit produced 422 HP & 441 ft-lbs. We have been able to find many parts that will help you repair your vehicle. My '77 T/A Special Edition 400W72 motor was built by me and was dyno tested, 475hp and 495ft. Rotating assembly can be balanced for you if you desire. The 455 wielded massive horsepower, but a new horsepower rating system and tighter emission controls drove the 455's power lower each year until GM abandoned the engine in 1976. The seller describes this as a "rebuilt correct engine with original top end… completely rebuilt and run in on the dyno. #64 Heads, sevice replacement block. Xtreme Energy 274 Hydraulic Flat Tappet Camshaft, Part # 12-246-3 Dyno Sheet We are currently working to better the site for the customer and to complete your orders please CALL 1-800-976-9376 We are currently working to better the site for the customer and to complete your orders please CALL 1-800-976-9376. (7,488 cc) engine was available through 1976, but by then, it was down to 200 net horsepower (149 kW), almost shameful for such an enormous engine. Features a Butler Performance 650 HP pump gas Pontiac Engine! This combo is based on a 455 block (4. Pontiac 400 and 455 engines make good torque and horsepower, even with a stock stroke crankshaft, but an Eagle Pontiac stroker engine kit will improve the performance of these engines even more. The result was the Super Duty 455 V8, a name which was a nod to the company's successful early 1960s efforts in NASCAR and the NHRA. We've touched on Pontiac engine performance previously, back when we covered aftermarket crankshafts and stroker packages available for 350, 400 and 455 Pontiac engines. engine with cast iron #197 rd. General Motors produced the Pontiac 455-cubic-inch V-8 engine from 1970 through 1976. Torque @ 3800 RPM : This powerful and durable engine will replace your current Pontiac without modifications. PerTronix D71200 Flame-Thrower HEI III Distributor, Pontiac 301-455 It's out with the little old 307 and to the dyno with our new 383 from BluePrint Engines!. Thus, there is technically no "big block" Pontiac though 455 cubes is a lot of displacement. Yesterday 09:33 PM by PontiacJim. When you purchase one of our Pontiac engines you are buying the finest turn-key drop in ready crate engine combinations in the world. The bore was kept the same and the stroke was extended. Only at www. Powering the Pontiac GTO 455 is an overhead valve, 7. And finally we get to the Judge, also known as "the Humbler. Muscle Cars. How to Improve Pontiac V-8 Engine Performance: Exhaust Guide. The Olds 455 engine was created out of the 425 engine in 1968 by changing the internal workings. Tuned and tested on our in house Superflow dyno. How rare are these engines and are they reliable? I am thinking about pulling that engine out and putting in a LS3 pontiac engine in my Lemans Sport. 030 overbore by previous shop was not correctly toleranced for forged. r with 7 psi boost on pump gas. Header primary tube diameter should be 1-5/8" to 1-3/4" depending on engine displacement. Butler Performance is the main source for stock and performance cylinder heads for your Pontiac. GET YOURS NOW. High RPM's is not really in my plans. I know much more about Pontiac than Buick and olds because I drive an Indian but where can I find some good info on bo in bop? Like for instance one would wonder why the smaller 400p was the one battling on the streets when there was a potentially more potent 455 in the same size package that could have dealt a better hand to the chief. 042" (crushed) head gasket, 6 cc valve reliefs for 400 stock pistons, 5 cc for -. Same owners for 25 years. How hard to get 400 hp out of a 400 pontiac engine SE clone ,then maybe the direction a Guy should go is with pontiac's 455. 462 HO Pontiac Engine. by Diego Rosenberg The only Pontiac that impressed me more was a 455 SD that had a mild cam that would run 12's all day in a 74 TA. Now, let's add a later model into the mix. Torque @ 3800 RPM : This powerful and durable engine will replace your current Pontiac without modifications. Appreciate This 1974 Pontiac Trans Am SD-455, Hitting Mecum Auction Block. The building of a supercharged, 1,100-horsepower Hemi engine for the MAHLE Dodge Challenger, the grand prize in the 2019 MAHLE Drive with the Original technician promotion, is documented in the second in a series of videos posted by MAHLE Aftermarket North America. The car's exterior is both modern and retro at the same time, featuring sleek body lines with classic elements. 756 sec at 147 mph. The '04 Goat, a '71 455 H. When you purchase one of our Pontiac engines you are buying the finest turn-key drop in ready crate engine combinations in the world. It is an original 455 car from the factory. #400 bored. Find PONTIAC 7. This is a complete Pontiac rotating assembly / Eagle crank kit prepared by Tin Indian Performance. Owner Bruce Fulper can answer ANY question for you. Call 408-432-8498 for more details. Pontiac Engines, Early (1955 to 1979) Pontiac V-8 engine parts and engine building. If you are rebuilding a 455 Pontiac and want a stronger rotating assembl. 4-speed transmission. The PowerNation consists of: Detroit Muscle, Engine Power, Truck Tech, Xtreme Off Road (XOR), PowerNation Daily, HorsePower, Muscle Car, Trucks!, and Xtreme 4x4. 1970 Pontiac 455 HO 370 HP GTO Convertible original 3-speed Frame off restored Orbit Orange, Black Top and interior, Power Steering, Power Breakes, A/C, and original radio. These Pontiac rotating assembly kits come with cast crank, pistons, rods, bearings, and rings. Want to upgrade stock oil pump to 60 lb. It has the original block (see pics) I am not a dealer or a car flipper. " Pontiac introduced this block in 1955 at 287 cubic inches and it grew internally to this 455 cubic inch monster. The car is running a Pontiac 455 V8 and is hooked to a Tremec T-56 6-speed manual transmission. In is video, he and his team are flogging a 455 Pontiac on the dyno, searching for the elusive quarter-ton horsepower mark in the process. Thus, there is technically no "big block" Pontiac though 455 cubes is a lot of displacement. Edelbrock has developed a dyno-matched, street proven camshaft (#2157 for 350-455 c. PerTronix D71200 Flame-Thrower HEI III Distributor, Pontiac 301-455 It's out with the little old 307 and to the dyno with our new 383 from BluePrint Engines!. 455 Pontiac Engine Parts. The '71-'72 round port 455 HO was essentially a stroked(and slightly bored) 400 Ram Air IV motor, but without the IV's stouter bottom end. The engine was used across the Oldsmobile lineup through 1976 and horsepower ranged from 275 up to 400. Custom built Pontiac 400 crate engine. 060 over with TRW Forged pistons. Find PONTIAC 7. Butler Performance is the main source for stock and performance cylinder heads for your Pontiac. Pretty good huh? All of those part is not readily available from Pontiac and must ready to wait a little longer than expected. This Edelbrock cam kit produced 422 HP & 441 ft-lbs. 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. The Pontiac Trans-Am turned into a hellishly successful car in the face of all the gloomy sales forecasts. Balancing adds $200 to all of the. 060" %428 bored. High performance Pontiac 455, 428 and 400 blueprinted crate engines including stoker motors for traditional Pontiacs. A set of long tube 1 3/4″ primary and 3″ collector headers for a cutlass and a pair of Magnaflow mufflers were used during the dyno session. Check out this sweet first-time engine build of a Pontiac 455 Tri-Power. Industry leader Edelbrock just released these sweet new Performer RPM CNC cylinder heads designed to work on 1962-79 Pontiac 455 engines and offer substantial performance improvements over the factory castings. Pontiac 400 428 455ci Street Crate Engines Bill Cannon, the owner started racing with his first car, a 1965 GTO 428 4 Speed in 1975. No more endless. Most Pontiac engines came with 1. " Pontiac introduced this block in 1955 at 287 cubic inches and it grew internally to this 455 cubic inch monster. Pontiac offered the 455 for a few more years, but tightening restrictions on vehicle emissions guaranteed its demise. Pretty good huh? All of those part is not readily available from Pontiac and must ready to wait a little longer than expected. Block 1974 455, standard bore, honed cylinders, standard 1970 455 pistons and rods(the pistons and rods are a set of used ones I had) std crank, polished journals, standard. 78 trans am Blocker SE 500 hp. This is a complete Pontiac rotating assembly / Eagle crank kit prepared by Tin Indian Performance. 2cc chambers. The Pontiac 400 has a bore of 4. After reading, I decided I should stay with the benefits of a dual-plane style. Industry leader Edelbrock just released these sweet new Performer RPM CNC cylinder heads designed to work on 1962-79 Pontiac 455 engines and offer substantial performance improvements over the factory castings. Block 1974 455, standard bore, honed cylinders, standard 1970 455 pistons and rods(the pistons and rods are a set of used ones I had) std crank, polished journals, standard. In 1970 Pontiac increased the displacement in an attempt to make up for reduced compression required by new government regulations. The '70 is basically the full size Pontiac and station wagon engine, D-port heads, a cruiser motor. the pontiac which was a 455 had a set of 87cc performer heads, victor junior, 230/236duration cam @50with not very much lift, and a 750 or 850 holley or demon carb made 501hp and 570 foot pounds I believe. Super Duty 455's used Pontiac's legendary round port cylinder heads while the non Super Duty used standard D-port heads. We "digitally remastered" this classic on our CNCs, upgraded a host of parts and converted it to a hydraulic roller cam supported by lifter valley braces. Have few parts laying around for a Pontic 400-455 Mallory unilite distributor sold Accel distributor 75, single plane intake sold, deep oil pan, Moroso possibly 9/3/4 deep sold Also two sets of 67-69 Camaro Oem control arms, rebuild with new ball joints and bushings, sandblasted and painted black One set has provisions for front mount rack and pinion (clear inner tie rods) 275. #400 bored. Kaase Boss Nine. Pontiac GTO 455 Judge. Cylinders bored. PHS documented with copy of original window sticker. This head is available with initial flow numbers around 260 cfm! This heads comes as cast with a 65cc chamber, 74 and 85cc CNC'd chambers are available. There are many different pontiac engines, most notably the V8 small block versions like 301 and 350 cubic inch and the big block V8 pontiac motors such as the 400, 428 and 455 ci. 060 over with TRW Forged pistons. Olds", Joe Mondello, Joe and Mike finish the. Both have been infused with Pro Plasma Nitriding Treatment. As the years passed it lost some of the brutal acceleration it enjoyed during its 455. Engine Highlights: Here are a few highlights of the engine build. See photos. Timing and carburetor adjustments are easily performed and the performance effects can quickly be measured. The 1974 Pontiac Firebird Trans Am Super Duty 455 is regarded by many as the last of the greats from the original muscle car era. 042" (crushed) head gasket, 6 cc valve reliefs for 400 stock pistons, 5 cc for -. 64 cylinder heads. Edelbrock Part # 7157 Performer RPM Camshaft is designed for Pontiac 350-455 V-8 applications. We experienced loss of oil pressure when testing other Pontiac engines (other brands too) when they didn't have a windage tray. This is Kauffman Racing Equipment line of race gas crate engines. /455 block, very mild HYD ROLLER Cam, 8:1 c. Appreciate This 1974 Pontiac Trans Am SD-455, Hitting Mecum Auction Block. r with 7 psi boost on pump gas. Purchase Pontiac 455 engine W/Kauffman Aluminum Heads, GTO,Firebird, Dyno Video motorcycle in Milford, Michigan, US, for US $6,700. To correct for pop-up pistons, subtract dome volume from chamber volume. Low compression and very mild custom grind hyd roller cam with a F. My '77 T/A Special Edition 400W72 motor was built by me and was dyno tested, 475hp and 495ft. Have HK Motorsports Dyno Shop take a look at your muscle / classical / traditional Pontiac after all others have worked on it and give you what your car really deserves, Horsepower and efficiency! Areas where we specialize in: Engine, horsepower, and high performance upgrades for your Firebird or GTO Power train modification. And probably the same numbers here for a Pontiac custom cam would apply: Part number: 51-000-9 Engine: P8 Pontiac V8 265-455 1955-1981. The cherry Trans Am could go for more than $100,000. 475 Horsepower 553 ft lbs of Torque. Fitts 69-79 Firebird/Trans Am w/ 350, 400, 455 Pontiac engines NOTE : This does not fit 265/301 Pontiac engines, nor 68 and older 326-428 engines. Superjet rebuilt and blueprinted musclecar engines, specializing in modification and custom tuning of Rochester Quadrajet carburetors. 78 trans am clone SE 500 hp. 1970 Pontiac GTO 455: The Pontiac GTO 455 is a coupé with 2 doors and a front mounted powerplant which transmits the power through the rear wheels. The Pontiac V8 shared some design features with the Chevrolet small-block V8, but was overall a unique design, distinct from Buick, Chevrolet, or Oldsmobile engines. Do you have a Pontiac GTO 58-06? We have the parts you want!. Header primary tube diameter should be 1-5/8" to 1-3/4" depending on engine displacement. Same owners for 25 years. Browse 1974 Pontiac FIrebird For Sale in The MCG™ Marketplace. MOV by Chevy Chevrolet S10 GMC S15 with 455 Pontiac Trans am HO V8. 00 Total machine work. The book showed a few pics of a re-worked early Pontiac stock manifold that flowed just about as well, or better in many cases, than many of the expensive. 2017 Pontiac Trans Am 455 Super Duty Design. the pontiac which was a 455 had a set of 87cc performer heads, victor junior, 230/236duration cam @50with not very much lift, and a 750 or 850 holley or demon carb made 501hp and 570 foot pounds I believe. A great feature of all Pro-Flo 4 systems is the Bluetooth connectivity with the Edelbrock's exclusive E-Tuner app. When the 455 was gone, the top option was the 400, which now had only 180 net horsepower (134 kW) and 325 lb-ft (439 N-m) of torque). Fitts 69-79 Firebird/Trans Am w/ 350, 400, 455 Pontiac engines NOTE : This does not fit 265/301 Pontiac engines, nor 68 and older 326-428 engines. SD performance rebuilt the 62 Pontiac heads with port work, stump puller roller cam, and Pontiac intake manifold ported. GARAGE TV SHOW. It is a coincidence that you published these today, as I just published my dyno results in the Cammer's Chapter Newsletter this past week! My 250 is set up very close to the one you have listed except I ran a "H" cam duration with. [email protected] on real street tires and pump gas in a 4800 pound 72 455 SportWagon. Model year 1976 was the last year that Pontiac produced the 455 cu in (7. The 1974 Pontiac Firebird Trans Am Super Duty 455 is regarded by many as the last of the greats from the original muscle car era. You'll find in the following a complete line of finely tuned engine combinations. A set of long tube 1 3/4″ primary and 3″ collector headers for a cutlass and a pair of Magnaflow mufflers were used during the dyno session. The base 1970-71 engine produced 200 hp and 455 lb/ft torque. If you are rebuilding a 455 Pontiac and want a stronger rotating assembl. Crower builds performance racing parts from camshafts to crankshafts. From the guy (me) who made low compression, pump gas, (93 or less,) reliable engines an. I've always found it interesting that General Motors at that time had three 455 cubic-inch V8s from Buick, Oldsmobile, and Pontiac. 040" over (4. 23 axle ratio. The car's exterior is both modern and retro at the same time, featuring sleek body lines with classic elements. Exceptions to this were the Ram Air IV engines, which used 1. Full Roller motor. READ THE DATES ON THE DYNO SHEETS TO SEE HOW LONG I'VE BEEN KICKING ASS. (7,488 cc) engine was available through 1976, but by then, it was down to 200 net horsepower (149 kW), almost shameful for such an enormous engine. 96 P turbines. We also have combinations for circle track, truck pulling, marine and more. High Performance Pontiac V-8 Engine Builds? And only the dyno or the strip will be a true indicator of 450+ hp. The factory air intake (drivers side panel) is more than acceptable to provide enough air-flow for an otherwise totally stock Fiero 2. Ram air exhaust manifolds and pertronix hei distributor. 3 second ET at 96. Auction Lot T51, Harrisburg, PA 2019. To replace the 455 HO, Pontiac engine engineers had come up with a new super performance engine for the 1973 model year called the (LS2) Super Duty 455 (or SD-455 for short). 5L/455 Crane Cams and get Free Shipping on Orders Over $99 at Summit Racing! PONTIAC 7. Pontiac 400 428 455ci Street Crate Engines Bill Cannon, the owner started racing with his first car, a 1965 GTO 428 4 Speed in 1975. 1973 Trans Am Dyno and test drive. Under the car looks as nice as the top. They used the HO moniker to counteract the perception of lost performance. 023" deck height on 4. High pressure. Small Comp Cams hydrauilic roller cam - pump gas. Port sizes are a match. 5L/455 Crane Cams Parts and Accessories. Now, all our engines get one. These Pontiac rotating assembly kits come with cast crank, pistons, rods, bearings, and rings. The SD blocks utilized 4 bolt mains, forged connecting rods and pistons, and the blocks were cast with a provision for dry sump oiling. The book showed a few pics of a re-worked early Pontiac stock manifold that flowed just about as well, or better in many cases, than many of the expensive. 6" decal on the shaker hood scoop, it ran a 15. DCI 400-455 is DCI's most popular crate engine. All engines come complete carb to oil pan. Pontiac Engine Kit - Pontiac 488 Stroker Kit, 455 Pontiac Stroker Big Block , at GREAT Prices, Selection, Customer Service, and Low Shipping Rates All From COAST HIGH PERFORMANCE. 65:1 rockers. It is a coincidence that you published these today, as I just published my dyno results in the Cammer's Chapter Newsletter this past week! My 250 is set up very close to the one you have listed except I ran a "H" cam duration with. 1 kgm) at 2700. Rotating assembly can be balanced for you if you desire. The Pontiac Firebird is an American automobile built by Pontiac from the 1967 to the 2002 model years.