Pontiac 455 Hp


So Pontiac at the last minute substituted the 1967 Ram Air 400 cam which allowed the SD-455 to get the EPA seal of approval but dropped horsepower on paper to 290 (who was Pontiac kidding even with the new stricter net horsepower ratings the 290 horsepower the SD-455 produced was more than the claimed 290 horsepower). Heads, solid flat tappet, hyd. The 455 Pontiac V8 was introduced in 1970 and provided large-bodied Pontiacs a torque-friendly engine. The 455 HO is a bored out version of the Pontiac 400 HO. The Edelbrock part # 35970 Pro-Flo 4 EFI System for Pontiac 326-455 C. Pontiac high performance low compression V8 motors were so good that they could propel an almost 4,000 lbs Trans Am in the mid to high 13 second to low 14 second 1/4 mile time range. The 2017 Trans Am 455 features something truly special here. Only 1,296 SDs were made total, ever. To take on the Demon, Trans Am worked with a willing owner to develop its first dedicated drag car. This code will tell you the year it was to be used. Rods were fully resized using GM 455 rod bolts and balanced to within 0. The horsepower is estimated at 400 to 450 at the fly wheel and when this car starts up, there is no doubt that this is a powerful engine. High Performance Pontiac Parts. 2 liters V8 the car boasts a massive LT1 V8. It made 455. 1973 Pontiac Trans Am 455, Garrett 77mm turbo (now 88mm!) & Methanol injected original build courtesy of Mark L1064 hp (keep watching, 1200hp soon!) before adding the Meth injection. ) Race prepped cast iron heads or Edelbrock Alum. Since that time, we have learned more about Pontiac cams, and a comprehensive article on the subject was prepared for the Fall, ’94 issue of “Pontiac Enthusiast” magazine. (A federally-certified 170-horsepower two-barrel 400 was also optional in all models. 1955-1981 Magnum Muscle These cams follow the tradition of COMP Cams® excellence and offer a step up from original equipment cam designs. The Pontiac Firebird is an American automobile built by Pontiac from the 1967 to the 2002 model years. By 1969, Pontiac's "Ram Air" package had a very positive image on the street, and the setup was indeed proven to produce more horsepower. 3-liter petrol engine. 52 Ratio and 7/16" Stud Diameter for Pontiac 265-455 Engine, (Set of 8) $89. The BoxWrench Engine Specs Database is a community resource for mechanics of all skill levels to access a reference library of Firing Orders, Distributor Rotation Directions and Block-Cylinder Numbering as well as Torque Specs, Timing Settings and Cylinder Head Tightening Sequences among other engine specs. 5 seconds and. Find the best deals for used 455 ho pontiac gto. Research the 2006 Pontiac GTO online at cars. If you are rebuilding a 455 Pontiac and want a stronger rotating assembl. Pontiac placed displacement callouts on each side of the block in 1968, and cast the last two digits of the displacement size into the center of the lifter valley. Posted on June 4, 2015 by Jefferson Bryant in Engine, Racing, Tech // 0 Comments. Xtreme Energy Hydraulic Flat Tappet Camshaft, Hydraulic-Street / Strip, needs 9:1 comp. #QualityUsedEngines Butler Performance is one of a few who specializes in Pontiac engines. charles coker, 1953 pontiac tech advisor. Both have been infused with Pro Plasma Nitriding Treatment. A Video on The Pontiac Super Duty 455 Engine. Pretty good huh? All of those part is not readily available from Pontiac and must ready to wait a little longer than expected. by Prix was a 4-barrel 400 rated at 350 horsepower. NOTE: Requires mods to clear MR1 block. General Specifications for the 1968 400/430 and 1970 Buick 455 Cubic Inch Engines. This Edelbrock cam kit produced 422 HP & 441 ft-lbs. So, 1970 next gen Pontiac Firebird started with old engines from 1969: 6. Small cam to be very streetable. 1975 Pontiac Firebird Trans Am technical specifications and data. 400 Pontiac Crate Engine 450 HP With Aluminum Heads If you like Pontiac's the 400 engine bock is the way to go. The heart of the 1969 Firebird 400 option was the 330 hp Pontiac 400 engine. Block stamp is YH. If your needs are a stroker crate motor we can take and modify any Pontiac engine to your specifications. V8 (rated at 330 gross horsepower/300 net horsepower) and the 1973 and 1974 SD (Super Duty) 455 (CID) V8 (rated at. The 1971 Pontiac Firebird was very much the same as the 1970 Firebird model. See: HPP 4X Head. The EFI system comes complete with a traditional 4150-Style satin finish single plane intake manifold and 29 Lb/Hr injectors capable of 450 HP with 58 p. 4 liters, and on top of that, they added a 2. With some more tweaking we hope for even more!. You have to realize most "Guidelines" are written for the default test mule-A small-block Chevy. Find car prices, photos, and more. size of the high. PONTIAC 400-455 COMPETITION ROTATING ASSEMBLIES. Not only did the engine carry a two- or four-barrel carburetor, it also featured compression ratios of up to 10. This is a very powerful motor. I ordered the thing back in Feb. We could have achieved this goal easier by starting with a 455 engine, but I wanted to start with a 400 block and heads and see if it could be achieved. What would be the best way to build this engine? The other choice is to put a 455 in it because the only external difference between the two is deck height and top width. Block stamp is YH. Pontiac GTO 455 Judge. Powering the Pontiac GTO 455 is an overhead valve, 7. Nearly every manufacturer in America had followed Pontiac in producing their own fresh air intake system. 5L-455ci-V8 Engine Torque Specs. TA Performance and our products are not endorsed, sponsored by, or in any way affiliated with General Motors Corporation and/or the subject vehicle marketing division. Pontiac gave that engine a 255 net hp rating for 1971. 625 rods, Federal Mogul rod and main bearings, Durabond cam bearings, Melling Oil pump, Edelbrock Performer RPM intake, 850 Qjet carburetor, 1 3/4 header, Rhodes lifters, 85 cc. Posted on June 4, 2015 by Jefferson Bryant in Engine, Racing, Tech // 0 Comments. can a 1975 buick 455 produce HP like older ones? Hi every one i have a 1975 buick riviera with 455 engine i read the history about these engines and i find out mine is lot worst than the older ones i wanna know why the older ones produce more HP and torque than mine ? what is difference between a 1971 - 455 engine and a 1975. by Prix was a 4-barrel 400 rated at 350 horsepower. It ended up with over 400 horsepower and over 500 ft-lb torque, all on 91 octane fuel "Getting to the bottom of the 455 Olds build". 5 L) engine first made its appearance in 1971 as the 455-HO. 4L/455 Engine from the largest online selection at eBay. The Pontiac 400 6. 1970 Pontiac Bonneville 455 convertible This is a rare one! 1970 was the only year Pontiac offered the high power/high compression 455 V8 engine with 370 horsepower. I actually prefer the buick 455, that 455 made that 1972 buick riveria fly! the olds was a a close socond though but I have a feeling it was carb issues making it hold back as much as. , we have an extreme passion for anything “traditional” Pontiac, most especially – FAST Pontiacs and Pontiac Drag Racing. The use of "Buick" or any other General Motors Corporation related terms is for product identification and application reference purposes only. Pontiac stuck with the 350-, 400- and 455-cid V-8s with up to 300 net horsepower (a new rating system). The following information has been directly complied from original Buick service manuals for the respective year of vehicle manufacture. 1975 Pontiac Trans Am Specifications and Photos, 0-100/h, 0-60mph, fuel consumption, horsepower, weight, specs and photos. 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. fan ordered with this engine #9796134 / 914007 this is a L68M pontiac 455. It's called the Trans Am 455 Super Duty, and it's packing a supercharged. It was rated at 185 horsepower and 320 foot-pounds of torque. 95 Out of stock JEGS Easy Kits are designed by JEGS high-performance racing professionals to help you get all. The base 1970-71 engine produced 200 hp and 455 lb/ft torque. Pro Magnum Hydraulic Lifters; Olds (V8 260-455) Pontiac (V8 326-455). Compression can be increased or deceased through proper cylinder head selection. Only at www. Just how much horsepower a stock Pontiac 400 or 455 block can handle is a question that Butler has been asked countless times over the years, and he says there isn’t a straight answer. These cams offer an extended rpm range with emphasis on upper bottom to top end power (strong mid-range). With some more tweaking we hope for even more!. 5 litre, overhead valve 90 degree V 8 cylinder with 2 valves per cylinder. 455 Pontiac V8 Engine parts in-stock with same-day shipping. Sorry this page is a little long. However, these codes were used for more than one year and could have different machining or even different main caps. Last Day to Save $25 off $250, $50 off $500, $100 off $1,000 Promo Code: HORSEPOWER. *Note - blocks with only 2 mounting holes or pads (for the motor mounts) per side is from 1969 and older blocks with 5 or 3 mounting holes or pads (for the motor mounts) per side is from 1970 and newer blocks with 2 freeze plugs per side is 1966 and older blocks with 3 freeze plugs per side is 1967 and newer certain blocks for 4 bbl carb usage have scallops in the cylinders at the deck for. 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. Pontiac Stroker Kits Eagle Pontiac 400 and 455 Stroker Kits. The year was 1998 and a trio of Californian car fanatics—Larry Weiner, Frank Bristing and Art Whipple—all got together and took a new Chevy Silverado pickup with a short wheelbase to create an outrageous truck. It made 384 horsepower and 500 lb-ft peak torque on the dyno!. /455 block, very mild HYD ROLLER Cam, 8:1 c. 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. In 1965 the 400 and 425 cid big block engines were introduced. The 1971 Pontiac 455 HO was Pontiac's first engine to receive a special 800 cu ft/min (23 m 3 /min) Rochester Quadra-jet carburetor with specific jetting. If your head has a large S1 cast into the the area where the rocker arms sit, don't get too excited. 3 liter Magnuson Supercharger. We do testing *except for 455-474 c. The Edelbrock part # 35970 Pro-Flo 4 EFI System for Pontiac 326-455 C. The factory cranks are good. The Pontiac GTO remains an icon of the muscle car era. 1972-1974 no. 0-liter V8 under the hood, good for 400 hp. The G8, a rebadged Holden Commodore, was released in early 2008 for the 2008 model year in the United States, and in 2008 for the 2009 model year in Canada. Find great deals on eBay for hp pontiac 455. 550 HP Street Pump Gas Engine. However, these codes were used for more than one year and could have different machining or even different main caps. As we can conclude from the name, it is special proprietorial engineered 455ci DI Motor with 1,000 horsepower and 1,046 pound-feet of torque, hidden in a 2. These models featured removable Hurst T-tops, Rally II wheels and other distinctions but were mechanically similar to the regular models. High Output and Super Duty versions of the 455 were added in succeeding years. 1970 455 yh coded engine with 370 hp and 500 ft lbs of 455 pontiac engine used. Pontiac knew that increasing displacement meant similar horsepower could be attained at a lower RPM. Horsepower: Torque: Bore x Stroke: Compression Ratio: Oil Pressure @ 2050 RPM. So away it goes. 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. 52 Ratio and 7/16" Stud Diameter for Pontiac 265-455 Engine, (Set of 8) $89. They never changed through the years, so I will address them now. Pontiac began selling cars with straight 6-cylinder engines with the 40 hp (30 kW) 186 ci (3. Engine uses a Crower hydraulic flat tappet cam, PRO Sport Cast Crankshaft, PRO Sport 6. This is one of Doug's favorite builds. If your needs are a stroker crate motor we can take and modify any Pontiac engine to your specifications. 5:1 for the 1971 model year. The legendary Pontiac GTO kicked off the wild muscle car market with a roar and made Detroit the world center for affordable high-performance cars. The EFI system comes complete with a traditional 4150-Style satin finish single plane intake manifold and 29 Lb/Hr injectors capable of 450 HP with 58 p. Since all Pontiac engines must be considered a "big" block, the 455 is not new or unusual in the Firebird chassis. com, I have recently received a 541 CID short block from Butler. In fact, air flow reduction may occur. Crower: 60240: horsepower, mild bracket. ~Read me pleeeze~ For up-front payment total on a remanufactured long block exchange engine, add the 3 figures at the right end of the table rows above. The “00” found on this block indicates that it’s a 400. And finally we get to the Judge, also known as "the Humbler. Pricing starts at $400. Powertrain offerings for the 1973 Pontiac Grand Prix were a virtual carryover from the year before. This is Kauffman Racing Equipment line of race gas crate engines. At the start of the 1970s, the 400 V8 generated more than 300 horsepower. Sorry this page is a little long. In this issue, the 455 T/A is objectively examined and exposed, being touted "It is the fastest accelerating and best-cornering American car you can buy". All parts are top shelf components that are listed below. What would be the best way to build this engine? The other choice is to put a 455 in it because the only external difference between the two is deck height and top width. 550 HP Street Pump Gas Engine. Dyers Blowers is one of the leading manufacturers of street strip superchargers. When I received it, I almost hung it on the wall. Instead of the usual 6. Not only did the engine carry a two- or four-barrel carburetor, it also featured compression ratios of up to 10. Made 711 HP and almost 700 ft/lbs torque! Should make a fun little street cruiser with the AC on!. The latest owner of my King Street series 455, a 455-87. You must find the date code at the back LH side of the. Showcasing pontiac engines in stock here online. General Motors produced the Pontiac 455-cubic-inch V-8 engine from 1970 through 1976. This was a very strong statement indeed, but remember, the vaunted Corvette could only hand off 210 hp while the only producing 255 lb/ft of torque in the L82 version. The standard outlet port is on the bottom of the pump. Rods are stock Pontiac cast units. Browse your favorite brands affordable prices free shipping on many items. Get the best deal for Complete Car & Truck Engines for Pontiac 7. a photo gallery of 1973 full size b-body Pontiac convertibles. 5 Chevrolet Camaro, Tallahassee, FL-based. Instead of the usual 6. 550 hp, 575 torque using factory cast iron heads. The 455 Pontiac V8 was introduced in 1970 and provided large-bodied Pontiacs a torque-friendly engine. For 400/389's, expect to turn your smaller engine just above 6,200 rpm. "455" stamping in lifter galley, click picture for. 0 mm rings unless otherwise indicated. Our catalog includes over 400 salvage yards and wrecking yards inventory of low-mileage, high-quality used motors (gasoline and diesel engines). 2006 Pontiac GTO. of torque when used with #7156 intake and #60599 cylinder heads on a 455 engine. A few other requirements were to have over double the horsepower of a stock engine and run on pump gas. The latest owner of my King Street series 455, a 455-87. 6: 111: 543796: 2: 64: NA. In this issue, the 455 T/A is objectively examined and exposed, being touted "It is the fastest accelerating and best-cornering American car you can buy". Pontiac Cylinder Head ID Numbers. Back in 1974, the Super Duty Trans Am was the undeniable king - it was the ultimate muscle car. Search Car Torque Specifications by Engine or Model. 8:71 BDS blown Butler Performance Pontiac on the dyno. This was indeed the biggest performance car to remain on the market. Trans Am Engine Specifiactions 1970-1981 Pontiac Trans Am Engine Specifiactions. We carry domestic engines as well as Japanese and European imported engines. While the light had dimmed for muscle cars, all was not darkness. Dyers Blowers is one of the leading manufacturers of street strip superchargers. This former Chevy Camaro will blow anyone's doors off. Compression can be increased or deceased through proper cylinder head selection. 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 Pontiac Firebird is an American automobile built by Pontiac from the 1967 to the 2002 model years. It has a 350 Olds engine in it now from 1978. Super Duty cars were much more rare, with only 252 examples being assembled. Horsepower: Cubic Inches: Trans: Code: Compression: Cam: Heads: Carb: Year: 215: 389: M: 02B: 8. Pontiac 1965 - 1971 1st digit - Make. 5:1 rockers is widely considered to be “THE” cam to have in a street driven Pontiac. Although these blocks are few in numbers, they can be found and can also be totally custom rebuilt to any specific horsepower. True output is 525 Hp @ 7500 for GTO and 475 Hp @ 7300 for Firebird. The '72 GS 455, for example, had a 250-bhp rating, the Stage 1, a 270. It was rated at 360 horsepower, which was 10 less than. I've seen many less put-together cars wearing much higher price tags, and I hope this one sells. Home » ; Resources » ; The Pontiac Engine; The Pontiac Engine. Now I'm thinkin' that I want 600-700 hp. You'll find local deals, specs, images, videos, consumer and expert reviews, features, trims, and articles for every turn in your GTO. can a 1975 buick 455 produce HP like older ones? Hi every one i have a 1975 buick riviera with 455 engine i read the history about these engines and i find out mine is lot worst than the older ones i wanna know why the older ones produce more HP and torque than mine ? what is difference between a 1971 - 455 engine and a 1975. Schedule Test Drive With the HP to move quickly and sleek design, dust those Camaro’s for. About Contact Parts For Sale. Xtreme Energy Hydraulic Flat Tappet Camshaft, Hydraulic-Street / Strip, needs 9:1 comp. Cleaned, magnafluxed & ready to ship. To regulate emissions, General Motors imposed a compression-ratio cap of 8. ” The 125,000 mile Pontiac is powered by a 455-4 bbl. The 200 hp 455 in³ V8 was optional on all models. Will fit all models of Pontiac. Ieniodde Candelaris no- l ecinal Lis did at dem do'el derecho tie re. 1968 Pontiac Firebird Cylinder Head Work for 455. at 4200 rpm. Both have been infused with Pro Plasma Nitriding Treatment. 1970-75 Oldsmobile engine tune-up specifications including timing, dwell angle, and spark plug gap, and firing order. However, these codes were used for more than one year and could have different machining or even different main caps. This page will show you how I took a set of 6X heads that I bought for $100 that looked like this. Octane is 87. Browse 1973 Pontiac FIrebird For Sale in The MCG™ Marketplace. 1970 455 yh coded engine with 370 hp and 500 ft lbs of 455 pontiac engine used. And finally we get to the Judge, also known as "the Humbler. Even though 2018 Pontiac Trans Am 455 Super Duty is made with many similarities with the sixth generation of Chevrolet Camaro and on Alpha chassis, there are many novelties and unique details in this model. /455 block, very mild HYD ROLLER Cam, 8:1 c. A Video on The Pontiac Super Duty 455 Engine. part # year: bbl: size: tran: notes: 7011350: 1957: 2: 347: a: tripower center: 7011351: 1957: 2: 347: a/m: tripower front: 7011352: 1957: 2: 347: a/m: tripower rear. A feature article about this car can be found in the May 2012 issue of High Performance Pontiac magazine. I went with a flex fan on my Pontiac 400 and it did a world of good over the factory solid piece. Engines in the Vista Cruiser paralleled other Olds intermediates, with a 330-cubic-inch (5,408 cc) V8 offered from 1964 to 1967 producing from 210 to 320 horsepower (160 to 240 kW) depending on year and carburetion. 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. Heads $350. Browse Pontiac Engines in stock now. You'll find local deals, specs, images, videos, consumer and expert reviews, features, trims, and articles for every turn in your GTO. You must find the date code at the back LH side of the. Engine is disassembled and will need rebuilt. This is a true 455 cid engine featuring one of our custom ground hyd roller cams topped off with a set of KRE High Port Heads (stock as cast / unported) This combo made 608 hp and 593 ft lbs of. Xtreme Energy Hydraulic Flat Tappet Camshaft, Hydraulic-Street / Strip, needs 9:1 comp. These motors were the 1971-1972 455 (CID) H. At the time I was going for a 500 hp street engine but didn't get it built. 875 inches and has a stroke of 3. Upgrade options available. TA Performance and our products are not endorsed, sponsored by, or in any way affiliated with General Motors Corporation and/or the subject vehicle marketing division. Pontiac offered the 389 engines in a wide variety of horsepower ratings. It was rated at 360 horsepower, which was 10 less than. 2018 Pontiac Trans am 455 Super Duty Prices, Release, Order. Number 15 heads are 78cc that make it 10:1 comp. 52 Ratio and 7/16" Stud Diameter for Pontiac 265-455 Engine, (Set of 8) $89. About Contact Parts For Sale. 2" ring gear. Used 2006 Pontiac Grand Prix, from Larry H. The names Barrett-Jackson, Barrett-Jackson. The 455 engine available in the second generation Firebird Trans Am was arguably the last high-performance engine of the original muscle car generation. The EFI system comes complete with a traditional 4150-Style satin finish single plane intake manifold and 29 Lb/Hr injectors capable of 450 HP with 58 p. Pontiac Engines. It was based on the GM A platform (A-body) along with other cars such as the Chevrolet Chevelle, Pontiac LeMans, Pontiac GTO, Oldsmobile Cutlass Supreme, and the Buick Century. The true output/capability of the SD-455 can be measured by the so-equipped Trans-Am’s quarter-mile times. Remanufactured Engines Oldsmobile Olds. Block stamp is YH. CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. Florida-based Trans Am Worldwide revealed the 1,000-hp Trans Am 455 Super Duty at the 2017 New York auto show. What would be the best way to build this engine? The other choice is to put a 455 in it because the only external difference between the two is deck height and top width. up to 500 HP 455 Buick: and makes 85 more HP as a factory Stage 1 engine that had 3/4 of a point more compression and will run on unleaded 92 octane pump gas. Trans Am Engine Specifiactions 1970-1981 Pontiac Trans Am Engine Specifiactions. PowerNation TV is America's most watched automotive how-to programming. 1971 Pontiac Firebird Formula 455 HO: The Firebird Formula 455 HO is an automobile from Pontiac, with rear wheel drive, a front located engine and a 2 door coupé body style. These gross and net horsepower figures were the same ones given to the 455 HO found in the 1971 Pontiac GTO, GTO Judge, Tempest T-37, and Firebird Formula. You'll find local deals, specs, images, videos, consumer and expert reviews, features, trims, and articles for every turn in your GTO. In 1973, the Ventura got the Pontiac 350 instead of the Chevy 307; in 1975 it got an Olds-built 260. 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 '72 GS 455, for example, had a 250-bhp rating, the Stage 1, a 270. Stock Pontiac Head Specs * During my searching for information, I found quite a few discrepancies in the sources I was viewing. "455" stamping in lifter galley, click picture for. In 1973, the Ventura got the Pontiac 350 instead of the Chevy 307; in 1975 it got an Olds-built 260. 475 Horsepower 553 ft lbs of Torque. "455" stamping in lifter galley, click picture for. But Pontiac didn't do the biglock/smallblock thing. I have one of Cliff's carbs that he built for me last year still wrapped in plastic in the box. (2) Pontiac 2nd and 3rd digits - Series (dependant on year) (33) Tempest or Lemans, (35) Tempest Custon. These cranks feature the same strength and performance you've come to expect from Eagle. The "00" found on this block indicates that it's a 400. TA Performance is proud to introduce our new, all aluminum 455 Buick engine block! This block has been specifically designed for every engine build imaginable. 030 over bore and heads cut. ABOUT OUR HIGH PERFORMANCE CRATE ENGINES: CAROLINA MACHINE ENGINES is an expert at extracting the most horsepower and producing the most dependable High Performance Pump Gas street engines available. See: HPP 4X Head. As Jim Hands books states, Pontiac rods can handle up to 500 HP, so a good low stress set (oiler hole type from a 1966 389) was located and magna-fluxed. To take on the Demon, Trans Am worked with a willing owner to develop its first dedicated drag car. 6: 111: 543796: 2: 64: NA. charles coker, 1953 pontiac tech advisor. With a rated life of 2,500 hours of operation, it can add benefit to any high-performance Pontiac V-8, but particularly those where extracting every last horsepower is important, or in instances where circulating coolant between rounds without the engine running can improve performance. The BoxWrench Engine Specs Database is a community resource for mechanics of all skill levels to access a reference library of Firing Orders, Distributor Rotation Directions and Block-Cylinder Numbering as well as Torque Specs, Timing Settings and Cylinder Head Tightening Sequences among other engine specs. Author Jim Hand begins with a year-by-year timeline, tracing Pontiac performance packages from 1955 through 1979. With some more tweaking we hope for even more!. Compression can be increased or deceased through proper cylinder head selection. All parts are top shelf components that are listed below. The engine was used across the Oldsmobile lineup through 1976 and horsepower ranged from 275 up to 400. The Super Duty 1970-71 engine had 335 hp and 480 lb/ft torque. 2800+ stall, headers, gears, rough idle. This Pontiac Trans Am is a 70s "street machine", which was a subculture of the 70s car loving youth. Tuned and tested on our in house Superflow dyno. 5 litre, overhead valve 90 degree V 8 cylinder with 2 valves per cylinder. Rods are stock Pontiac cast units. Now, the engine as the most important thing on new 2018 Trans Am 455 Super Duty. PowerNation TV is America's most watched automotive how-to programming. 12-inch bore and stroke, but the SD carried many unique parts, including all of the major castings and internal components. Wild paint jobs and fat white letter tires wrapping Cragar wheels were the norm. It has a 350 Olds engine in it now from 1978. 4 liters, and on top of that, they added a 2. Pontiac offered three engines in the 1977 Trans Am Special Edition. OK, here is my buildup for the page, this combo has gotten me a best time of 13. There are 65 reviews for the 2006 Pontiac GTO, click through to see what your fellow consumers are saying Consumer Reviews. You'd think the Super Duty's 1,000 hp would have been plenty when compared to the heavier Demon. Engine combinations, and the resultant HP and/or E. If your head has a large S1 cast into the the area where the rocker arms sit, don't get too excited. This was indeed the biggest performance car to remain on the market. 550 hp, 575 torque using factory cast iron heads. The PowerNation consists of: Detroit Muscle, Engine Power, Truck Tech, Xtreme Off Road (XOR), PowerNation Daily, HorsePower, Muscle Car, Trucks!, and Xtreme 4x4. 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. In 1973, the Ventura got the Pontiac 350 instead of the Chevy 307; in 1975 it got an Olds-built 260. Engine, horsepower, torque, dimensions and mechanical details for the 1973 Pontiac Grand Prix. This is a true 455 cid engine featuring one of our custom ground hyd roller cams topped off with a set of KRE High Port Heads (stock as cast / unported) This combo made 608 hp and 593 ft lbs of. com, I have recently received a 541 CID short block from Butler. Super Duty 455 - Limited production of 50 May 1st, 2017. But they say they sell "Blowers" I don't know much forced induction terms, so what is a blower? Is it a supercharger? Can I bolt it on, attach the belt, and have forced induction? Any help is good EDIT: All right, dont be a. This Pontiac Trans Am is a 70s "street machine", which was a subculture of the 70s car loving youth. The 455-SD or "Super Duty" engine was one of the last high-performance muscle car era big-blocks GM offered. It seems when you rebuild and try to hop up things get expensive and reliability goes out the door compared to a Ford or Chevy. , including the same 288/302 camshaft (manual trans. The Grand Prix's base engine was the familiar 400-cubic-inch Pontiac V-8. roller or solid roller cam. ENGINES We are your one-stop source for Pontiac Performance from parts to complete dyno-tested engines! We have engines for any application from 12 second daily drivers to 10 second pump gas street engines to 7 second race engines. The year was 1998 and a trio of Californian car fanatics—Larry Weiner, Frank Bristing and Art Whipple—all got together and took a new Chevy Silverado pickup with a short wheelbase to create an outrageous truck. But if a crank is needed, it would be worth looking at a stroker to make a 400 into a small journal 455. DCI Motorsports Pontiac 400-455 stroker crate engine for street and strip use. Complete from intake to oil pan. 50 366 455 3Spd WA 10. 461 cid Pontiac engine can be built with a stock Pontiac block or an MR-1 aftermarket block. They used the HO moniker to counteract the perception of lost performance. 4 compression, rated at 335 net hp @ 4800 rpm and 480 lb·ft @ 3600 rpm: this is considered by many to be the most powerful engine Pontiac. Small cam to be very streetable. 1 kgm) at 2700. The 2017 Trans Am 455 features something truly special here.