Re: EGR systems

From: Eric (huffy340@gmail.com)
Date: Sat Jan 05 2008 - 11:29:20 EST


> Bernd writes: >> EGR systems actually save you money
> by cooling the combustion chamber <<

> How do hot exhaust gasses being rerouted back into
> the combustion chamber "cool" the the CC?? They
> have to be hotter than the ambient air coming in thru
> the throttle body!!!

The reason is that the ambient air coming in is accompanied by
fuel, which adds more heat (when exploding) to the combustion
chamber than the exhaust gas that has already expanded and had time
to cool.

Eric



This archive was generated by hypermail 2b29 : Fri Feb 01 2008 - 01:11:51 EST