TRACTION CONTROL

[Raymond C Drouillard]

I guess the first thing to say is that we aren't dealing with a racing
engine.  It won't be running as close to the physical limits.

Also, on my Holley Pro-Jection system, it doesn't feather back the
injecter volume.  It cuts it.  The engine coasts down to some
predetermined speed, and injection resumes as normal.  This gives the
effect of "bouncing" off of the rev limit.  This would, however, not be a
good thing in situation where you have bad traction.

What I was suggesting is that NO fuel be injected to a particular
cylinder at a particular time.  Every seventh firing was suggested. 
During those cycles, the cylinder would gulp pure air.  There would be no
flame, so no pitting.

Ray Drouillard


On Thu, 12 Nov 1998 07:00:38 -0500 Scott Knight <sknight at mich.com>
writes:
>Just a question about cutting the fuel at WOT:  Couldn't that be very
>very bad for a high cylinder pressure engine?  I know my race engines
>when just a little lean will start to pit the pistons very quickly and a
>supercharged car will just sneeze.  I've seen many Winston Cup cars come
>in puffing after they mis-calculate their mileage or get a little
>greedy.  Maybe that is a totally different situation than taking off
>from a standing start, but it just makes me uneasy running an engine
>lean under full throttle.  Does the fact that you are talking about
>shutting the fuel completely off for those durations mean that no
>residual fuel will be left over from a previous cycle to give it a 
>lean
>condition?  Ease my mind please.
>-- 
>Scott Knight  mailto:sknight at mich.com
>http://www.mich.com/~sknight IRC:SS396man ICQ:8353618
>'95 Black Impala SS
>'94 Ducati 900SS CR
>

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