Re: too rich, too lean...

[uunet!pwcs.stpaul.gov!phile@hoosier (Philip J Ethier)]

James A. TenCate writes > 
> 
> What will happen if I fit a less restrictive exhaust to my car?

> (2)  Better scavenging (is that spelled right?) so the car will
> run leaner with a less restrictive exhaust (no further explanation
> given).

This is correct.  Some cars have injection systems that sense mixture and
will correct for this by adding fuel.  My buddy had a SAAB like that.  He
took off the muffler, the car retuned itself, and he had a significant
power increase.