Measuring dynamic cylinder pressure

[Shannen Durphey]

----------
> 
> 
> "Shannen Durphey" <Shannen at mcn.net> wrote:
> 
> >Wouldn't it be easier to use a compression gauge?  after all, all the
other
> >changes (cam, intake, headers, etc.) will be hands-on, nuts&bolts
changes.
> > <snip> headers, cams, and intakes often make more difference at higher 
> rpm.
> 
> I guess I wasn't clear.. the idea was to *run* the engine with the
pressure 
> gauge installed, so that measurements could be made at various engine
speeds 
> and flow rates.  The cylinder with the sensor would have it's spark *and* 
> fuel injector disabled, so it is only flowing air.  So you would be
running 
> on one fewer cylinder for the test.
> 
> >I know that cranking compression readings are in no way indicative of
> >performance level.
> 
> See above.
> 
> Bryan Zublin
> bzublin at nlvl.com
> 

Sorry, Bryan.  I wrote the responce then re-read your letter.  Guess I hit
send instead of delete.