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...
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...
Comments:The Corvette received a new 6-speed manual transmission, as well as air bags. The standard 350 V8 gained 5 bhp due to a slight increase in the compression ratio. However, the big news was the introduction of the “King of the Hill” Corvette: the ZR-1 (RPO ZR1). The ZR-1...
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 ...
405 – 415 torque This is low by today’s standards but back in the 60’s and 70’s this was on the high side. People now-a-days can take a Chevy 350 to 1000 hp. I am building a “cruiser” truck to travel around in and take to car shows. Here are some pics of it when...