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One of the recent excellent meets of Corvette Club Denmark featured a dynotest of the vehicles. I had my 1979 L48 rebuilt during winter with a GM 'special performance' camshaft and flat hypereutic pistons bored .030 over. The car measured 254 hp at the rear wheels. I am wondering in what range my hp will be at the flywheel with no other mods apart from a removed A/C-pump?
It wouldn't be exagerated to say that you have 300 hp to the engine. Based on a 20% drivetrain loss with an automatic. Manual trans is a little less, 17 %.
What kind of improvement would you suspect from changing to headers alone? I think that new cylinder heads are a bit out in the future...Ah, what the heck: Also, what would the total improvement be with new heads?
What kind of improvement would you suspect from changing to headers alone? I think that new cylinder heads are a bit out in the future...Ah, what the heck: Also, what would the total improvement be with new heads?
Well It depends on the heads...........I would think it would be a significant jump considering your "described" Cam....Of course headers would only benefit from a better flowing head...Headers alone i am guessing maybe 15 to 20 hp with a good 2.5 exhaust :cheers:
It wouldn't be exagerated to say that you have 300 hp to the engine. Based on a 20% drivetrain loss with an automatic. Manual trans is a little less, 17 %.
Stephan
don't forget it goes RWHP -> Net (engine with all access and stock exh)-> Gross (engine no accessories)
so it depends on what access are running on your engine. It is more likely Your gross is in the 330 to 360 range.