Spark Plugs - pre ignition issue

[drew at scirocco.cs.uoguelph.ca (Drew MacPherson)]

Dan, you wanna give your email client a whack?  It seems to be stuck in a 
groove... :)

Drew


On Fri, 25 Jul 2003, Dan Bubb wrote:

> I'm a little skeptical here.
> Why are you running 36 degrees advance and wishing for more?
> Advance at WOT above 3500 RPM should be in the low 30's.
> 
> Ignition advance is not a case of more is better. If you're using low octane
> gas (you're not) or have a really high CR (you don't) then you may want as
> much advance as you can get. But, you've got good gas and a relatively low
> CR so you should run the advance that is optimum for power. In the low 30's
> (unless I'm totally mistaken and the 8V has a great combustion chamber that
> is best at 32 degrees and the 16V chamber sucks in comparison).
> I'm just harping on this cause there are way too many people that think more
> ignition advance and more fuel is always better. In both cases there is an
> optimum amount that is not necessarily the most you can get.
> If you know you will make more power at 36 or higher that's fine. But, don't
> just crank in more advance cause "more is always better!"
> just my .02
> Dan

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