1) Chevrolet 454 Exhaust Manifold Issues Exhaust manifold problems are fairly common across all 454 big block engines. The manifold gaskets are one of the primary issues. With age and mileage the gaskets wear down and begin leaking. It’s generally a minor issue but could affect emissions testi...
87cc Intake Valve Dia. 2.165 in. Exhaust Valve Dia. 1.590 in. Cylinder Head Bolt Style Torque to Yield (TTY) Cylinder Head Bolt Size (10) M11 x 2 x 100, (5) M8 x 1.25 x 45Camshaft Specifications Camshaft P/N 12623066 Duration @ .050 in. (int./exh.) 195°/201° Valve Lift (...
Early 396 big blocks from Chevy had a tall deck design that was 0.4” bigger than the standard decks. Typically, these engines produce massive amounts of torque stock, but top end power is lacking unless upgrades are made to improve flow. However, Chevy put the standard decks in almost all...
made the 600/900hp specs - it was a beautiful engine with a nice easy idle, huge torque, and a 5800rpm power peak. But a trip to the track showed that traction issues with the Chevelle meant that I needed about 750hp to run 9.9s 'on the motor' and more like 1200+hp to run 8.9...
I need to torque everything down. Will outline that when I do it and get some pics, its very very important. Here is a pic of the backside showing the emergency brake ( Lever and Spring) As soon as I finish the Axle rear housing cover…its out in the garage with the paint ...
LS SeriesDispHP / TorqueCam DurationCam deg intake / exhaustCam liftValve dia inRocker Arm rationComp RatioBoreStroke LS1346 cid/ 5.7L350/3650.050 in200/203.500/.5002.00/1.551.710.25:13.8983.622 LS6346 cid/ 5.7L405/4000.050 in204/211.525/.5252.00/1.551.710.50:13.8983.622 ...
The sixth-generation Chevy Camaro hasn't caught fire like the previous-generation car, and its sales slump as continued into the first quarter of the year. The Dodge Challenger continued to outsell the Camaro through the first quarter of 2019. According
significant boost in torque in the mid-range of engine speed. The valves were special alloy steel and fitted with double springs. The engine also featured a 8.0:1 compression ratio and triple Carter downdraft carburetors on a cast aluminum intake manifold. A dual exhaust was installed. The ...