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High revving pontiac 400

WebJan 29, 2009 · Either is fine 400 or 455. 75 and later 455's are a little weaker but I know of one that is making 878 hp and is fine. 400's have a smaller main journal which is a good thing on Pontiacs and can be border to make 455 cubes easy. 455 Cranks can be made to turn down to fit a 400 block but if you have the 455 then just use it and keep rpms under … WebMay 8, 2014 · According to one head manufacturer, good airflow numbers measured at .200, .400 and .500 inches of valve lift are the most important for a street performance engine. ... On the other hand, if you’re building a high revving race engine, or a big displacement stroker (over 400 inches), you could probably go with larger runners for increased ...

Choose Pontiac 400 or 455? & Turbo Questions Hot Rod Forum

WebRevving Pontiac's tunnel-port Ram Air V. Lance Kramer’s Ram Air V engine was built using NOS components including the mechanical camshaft. It idles around 1,200 rpm and … WebOct 4, 2015 · 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. Number Six: Buick GSX … edinburgh park barrier fob https://vapenotik.com

Sorting through Pontiac’s Ram Air engine production

WebALL ALUMINUM Pontiac Road Race Engine from Butler Performance. 496 c.i. w/ 730 HP on PUMP GAS. Butler Performance 461-474 c.i. Crate Engine with Edel. Lowrise 2x4 intake and 2 Edel. carbs. Starts at 500 HP and 550 … WebApr 1, 2007 · Paul Spotts responds:The W72 option in '78-which carried over to the four-speed 400 T/As and Formulas in '79-actually had a completely different cylinder block than other Pontiac 400s of the... WebAug 25, 2010 · 69' Pontiac 400 Block 69' #46 Heads (72cc) with 2.11'' intake and 1.96'' exhaust valves milled in, ported wiseco pistons Crank and Rods Pontiac, balanced ... Having even 10:1 compression, 100 octane, and a high rev cam will definitely kick you into the back of your seat. I would recommend a cam with minimum .550 lift even more would be good … edinburgh park gravelly beach

Pontiac Turbo 400 Upgrades Gearstar Performance Transmissions

Category:It’s 6/6, so let’s talk Pontiac’s 6.6-liter 400 V-8 - Hagerty Media

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High revving pontiac 400

The True HP of the 10 Most Powerful Classic Era Muscle Cars

Web650+ HP Pontiac 400/487 cu.in. 10 photos FAST XFI Sportsman System, FAST 4150 Black Anodized Throttle Body, Pontiac Edelbrock Victor 1050 Intake, Edelbrock Aluminum Heads, Comp Custom Cam, Johnson lifters, GZ Evac Pump System, Custom Butler Valve Covers, and much more ... Butler Performance custom builds Pontiac engines to your … WebMar 9, 2009 · Pontiac 400 blocks cast after mid year 1974 were thin in the main webbing, and are known to break or start cracking between the main and cam journals. I have a 72 …

High revving pontiac 400

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WebJul 19, 2024 · Yes, highway rpm increased as well, but I rationalized it by deciding that 3.23 gears provided a good balance of performance and economy. Currently, my 1967 Buick … WebProformance Unlimited Pontiac 400CI Crate Engine Review Doug and Steve,I can’t thank you enough for building my 1970 Pontiac 400 with 10.75 to 1 compression, new Edelbrock …

WebJun 6, 2024 · The most powerful version of Pontiac’s 400 to ever reach production was the Ram Air IV. With its improved cylinder heads and their round exhaust ports, they’re easy to … WebJan 24, 2024 · For a high-revving engine, you want a short stroke, since it means each piston will travel a shorter distance to reach that ideal average speed. But how do you do this …

WebJun 6, 2024 · The most powerful version of Pontiac’s 400 to ever reach production was the Ram Air IV. With its improved cylinder heads and their round exhaust ports, they’re easy to spot. In 1969, it produced 370 horsepower in GTO trim and 345 horsepower in the smaller Firebird, making it the most powerful Pontiac pony car for decades. WebPRO-STREET / PERFORMANCE LEVEL 3 - High revving, super mid to top end power grind. RPM Power Range: 2800 to 6000 plus. PRO-STREET / PERFORMANCE LEVEL 4 - Super upper mid-range and top end power profile. RPM Power Range: 3000 to 6500 plus. COMPU-PRO / PERFORMANCE LEVEL 4 - High revving, superior upper bottom profile with emphasis on …

WebOct 10, 2016 · Located in Akron, Ohio, Gearstar specializes in providing custom-built, high-performance automatic transmissions. The Turbo 400 remains among its popular …

WebApr 17, 2013 · No more high revving and throttle body does not stay open when I come to a stop. I guess it's like when your computer locks up and you need to reset it and the only way is to do a force quit and then reboot. Old school thinking works every time. MODLIST: *BorgW EFR 6758 turbo and Werks nice manifold *Werks Race FMIC *Werks BIG Radiator connections it\\u0027s a mind game downloadconnections in the bodyWebJul 9, 2010 · It absolutely refused to go past 20 MPH even though I'd usually go 27-28 on the same stretch of road. It was consistently going slower afterwards, and I scurried back home as best as I could. I've revved the engine like this in the past (with the moped stationary), but for shorter durations. edinburgh parking charges sundayWebJun 2, 2012 · Stock 400 sbc motor..standard bore.. stock pistons, 5.565 rods.. with good rod bolts installed. It has ported fuelie heads, high rise gm intake and open headers.... Running in very thick mud. How many rpms can this be safely turned? I am thinking 5500. Anyone with any experience in this area? Wolfplace Guru Posts: 3580 edinburgh pantomimeWebMay 20, 2024 · While the 400 offered excellent power in the GTO (360 horses and 445 lb-ft of torque in 1968), Pontiac turned to what it called 'big journal' engines for the muscle … connections it\\u0027s a mind gameWebPontiac performance crate engines can give your “Poncho” a new lease on life, but the engines we build will make it better than it’s ever been. To learn more about our services, … connections in science ideasWebJan 9, 2024 · Pontiac increased the bore .030 inches on the 389, boosting the displacement to 400 cid. Then engineers improved cylinder head airflow by reducing the piston-to-valve … edinburgh park airport premier inn