Variable Compression, Variable Displacement you decide

[Roger Heflin]

> 
> 
> >Yes they supers have a bad habit of wasting power by overcompressing 
> >from what all the books say.  It may be bad design on the intakes part,
> >but it seems to be very common.  I think it compresses the charge 
> >excessively and then it expands while still in the intake.   I guess
> >this is a design problem, it may not be a problem in the 
> >mass production super cars (ie the perviously made Fort Thunderbird SC,
> 
> I thought that all modern super cars ran with bypass vavles to
> eliminate this problem.  Race car versions use blow off vavles
> to less off extra boost at low rpms.
> 
> paul timmerman
> 
Still the energy used to compress that air your are blowing off is
wasted.  It is not as bad as if you did not have a blow off valve,
but it is not as good as a turbo bypassing some of the exhaust.

				Roger