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power comes from leaning the fuel mixture out a little bit as the stock program runs them a bit on the rich side. But most of the power gained is in the ignition timing. Factory timing is about 26 degrees BTDC at full load, and that can be raised to 36 degrees for 93 octane fuel and a little less for 91 octane fuels. The timing is where most of the power increase comes from. Interesting thing is, the VG is very resistant to detonation - with 93 octane fuel, it wont detonate even at as much as 40 degrees of timing advance, but it makes less power with it that high. 36 degrees appears to be the *magic number* for the non-turbo VG. But what do I know? I just own a little shop. :)
[ ashspecz.com ]
[ agpowers@bellsouth.net ] Enthusiasts soon understand each other. --W. Irving.
Are you an enthusiast? If you are out to describe the truth, leave elegance to the tailor.
Albert Einstein
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Eh.. Good eye there Bernie. In that case, the additional - 
