Originally Posted by vinniekq2
ap72,where did I say tune a carb for 12:1 at part throttle? I was comparing a 13:1 street car Vs a 12:1 race car tune,and exhaust makes a big difference. My BB Camaro picked up 3/10s with out the mufflers.Maybe it was the weight?lol.
or the wrong mufflers
There is NO reason to run a different WOT AFR on a street engine vs a drag engine, max power is max power, it doesn't matter if there is a pot hole or not.