Quote:
Originally Posted by 69znc
I agree the power curve is the holy grail! But I think the urban rumors about the 10% loss have a real stickiness with no empirical evidence. Ron your testing is exactly what I have found in all the research and studies I have found conducted by various magazines and by individuals posted in forums.
Specifically I was thinking of street legal cars so I think that Ron's reduction of 18% in a race car set up supports my belied 18.5 with PS, AC..... is realistic. I think the low 20's is more realistic for someone who is not overall anal about minimizing the reduction (sorry some self reflection there!)
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Depends on the crowd you hang with. I've heard 10% losses from some the same crew spouting off 3/4 race cam like its still relevant. Other guys who deal with more practical methods such as e.t. and m.p.h. have usually been in the 20% range because they see the results of their installations and are trying to figure out ways to minimize it.