Measuring dynamic cylinder pressure

[Seth]

On Thu, 18 Sep 1997, Bill Williams wrote:

> 	This is a good idea except that there would be some second order
> effects due to the lack of combustion gasses and pressure waves in the
> exhaust system. I take it that the spark plugs with pressure sensors are
> now unavailable or prohibitively expensive.
> ---                                   Bill in Boulder   "Engineering as
> an Art Form"                                ---
> 
Just prohibitively expensive, for the DIY-er.  I think $500 US is the 
quote we got for one last year.

Seth Allen