Pontiac 400 build recipes

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WebDec 13, 2010 · While the '68 350 H.O. used small-valve No. 18 cylinder heads, the '69 350 H.O. is essentially a small Ram Air III and used the same large-valve No. 48 heads and comparative camshaft duration ... WebMay 9, 2024 · Not gonna do a search to find out. If you have a 481988 or XX 481988 block, then a 4.21 or 4.25 stroker assembly would be the easiest way to build a 400hp very …

Pontiac 400 Build Hot Rod Forum

WebJul 17, 2024 · I had a 76 Pontiac 400 built about 20 years ago now. I have put about 500 miles on it only. My concern is that it is mismatched because I seem to have never gotten … WebJan 3, 2008 · The results were 556 lb-ft of torque and 496.7 hp. Close, but not quite there. A second 1-inch spacer got us there. This time around, the torque peaked at 565 at 4,300 rpm and the horsepower was ... iranian earthquake

350 H.O. Engine Build - Large-Cube Imposter - MotorTrend

WebApr 1, 2007 · If you stay with 400 ci, increasing compression has been a popular choice, but it's not totally necessary. With today's modern fast-ramp cams, such as the Comp Cams Extreme Energy Series (XE262H ... WebNov 13, 2024 · The Edelbrock cylinder heads have Ram Air exhaust IV ports—so you should use this set of Hedman headers. Keep your … WebJan 1, 2024 · The Pontiac 400 engine was a fierce competitor in the 1970s. The most powerful version, the Ram Air IV, produced an impressive 370 horsepower, making it one of the most powerful engines available at the time. The engine was featured on the Pontiac GTO, making it a true muscle car. For today, the Pontiac 400 engine has been upgraded to … order 3 credit scores

Pontiac 400 Engine Guide - Muscle Car Club

WebMay 9, 2024 · Not gonna do a search to find out. If you have a 481988 or XX 481988 block, then a 4.21 or 4.25 stroker assembly would be the easiest way to build a 400hp very steetable pump gas engine. With a long stroke build you won't need a big cam to make 400hp. The Summit 2802 is probably enuff. WebJan 31, 2005 · Banned. Joined Jun 30, 2003. 3,971 Posts. #12 · Jan 30, 2005. 500 is easy on pump gas. All it takes is 9.5:1 or higher compression, a good set of heads, a good cam, and all the bolt-ons. 400s put out a lot of power and torque. A lot more than a similarly built 350. The 400 kind of reminds me of my 5.0. order 3 free credit reportsWebNov 22, 2016 · Build a iron head Pontiac at around 9 to 9.5 and it can run on pump gas easy, dont use short duration cams for torque with closed chamber heads. ALWAYS use … order 3 of cpc

"WebApr 19, 2016 · Mike’s 2009 G8 is mild bolt-on car and has Kooks long-tube headers; a Solo, Mach Shorty cat-back exhaust system; a Vararam cold-air intake; and a Pat G tune. The result is an impressive 370 horsepower at … " - Pontiac 400 build recipes

Pontiac 400 build recipes

CHEAP 400hp Pontiac 400 Build Recipe – RPM Army

WebMar 19, 2013 · The rev potential is really good when the heads are done correctly, and 400 has the short stroke to back it up. Many happy customers with 406s that "peak" around 6,600-6,800. (Yes, you CAN rev a Pontiac, IF everything is "right") the stock rods GOTTA go. For the higher revs, use 6.8" BBC rods (we use Eagle). WebApr 4, 2024 · The Pontiac 400 is a large-bore, small-stroke engine that was used from 1967 to 1979 in Pontiac vehicles. It has a displacement of 400 cubic inches (6.6 liters). The Pontiac 455 is a larger engine, used from 1970 to 1976, with a displacement of 455 cubic inches (7.5 liters). Both engines use the same type of block, however, the bore and stroke ...

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WebDec 8, 2024 · CHEAP 400hp Pontiac 400 Build Recipe . ← Previous Jeep Grand Cherokee: Backup Camera Replacement; Next ... WebBuilding budget hot rods can be a controversial topic. Looking at what's available in the Pontiac market we see a massive need for budget Pontiac 400 builds ...

WebDec 1, 2009 · Turbo Pontiac 400 Build - Ludicrous Pontiac Power Ken Crocie Built A 489ci Stroker Pontiac Pressurized With A Single Turbo And A Q-Jet That Is A Recipe For … WebDec 2, 2024 · Building budget hot rods can be a controversial topic. Looking at what's available in the Pontiac market we see a massive need for budget Pontiac 400 builds ...

WebJun 6, 2024 · In 1967, Pontiac took the basic recipe of the 389 and added a bit to its bore, creating the 400. With a 4.12-inch bore and a 3.75-inch stroke, Pontiac’s 400 had similar … WebOct 17, 2013 · The Build. Semchee started with a production base, beginning with an OEM Pontiac engine as the core. The basis is a factory 400 block typical of those fitted to an …

WebMar 29, 2024 · Preparation: SD Performance 250-cfm CNC-Ported Head package. Combustion Chamber Volume: Verify original chamber volume; pistons should be matched to chamber size to achieve 9.25 to 9.5:1 …

WebMay 6, 2024 · The result is a pump-gas-friendly 9.9:1 (nominal) compression ratio when paired with an 87-cc combustion chamber. And, if you’re looking for a bit more squeeze, … iranian embassy in australiaWebSep 2, 2008 · The major components of the build up include a '67 GTO 400 block previously freshened up by Kevin. It was punched 0.035-over and stuffed with a 4.210-inch stroke … order 3 part checks order 3 of civil procedure codeWeb2016-02-01 Pontiac engines were cheap to build for decent horsepower when you could get engine blocks and heads at swap meets and salvage yards. Those parts are now scarce as Dodo birds. I built a 1969 Firebird 400 in 1971 -1972 and it consistently turned in the mid 12 second bracket with 8.50x 14/12" GoodYear wrinkle-wall slicks. iranian embassy in washington phone numberWebMar 21, 2012 · A Pontiac like that will have 400 LBs of torque at 1800 rpm you can fry the tires forever. All trans-ams came with posi rear ends yours should have 3.08 gears. The … iranian embassy in chinaWebKeith Dorton of Automotive Specialists takes a junkyard 389 block (with missing main caps) and turns it into a 416 cubic inch Pontiac V8 with the classic tri... iranian embassy location and reeseWebNov 12, 2024 · A 455 crank with the main journals ground down .25 inches to 400 main size, boring the block .030″ over, and some 455 pistons will get you up to 455 cubic inches. A … order 3 per page checks