Simple Injection Questions

[Don.F.Broadus at ucm.com]

The main fear if you cut the ignition is that the fuel will build up in the
intake manifold or mufflers, when you switch the ignition back on... BOOM
there goes the intake or muffler.

> -----Original Message-----
> From:	William T Wilson [SMTP:fluffy at snurgle.org]
> Sent:	Friday, May 21, 1999 3:41 PM
> To:	diy_efi at efi332.eng.ohio-state.edu
> Subject:	Re: Simple Injection Questions
> 
> On Fri, 21 May 1999, Frederic Breitwieser wrote:
> 
> > It would be my preference to cut spark rather than fuel, simply
> > because cutting fuel would result in a lean condition at higher RPMs
> 
> You'd think so, but many production rev limiters work this way.  I know
> there's a reason for why they do it this way, but I cannot remember what
> it is.
> 
> In any case, a fuel cut doesn't creat detonation provided you really cut
> the fuel off all at once.