Technical > Spud Miller's Cave
How much spark advance with alcohol?
Curly1:
I do not think the fuel selection is as big of a factor in timing needed as chamber and piston design is. A more efficient piston and chamber needs less timing. I agree with staying a few degrees conservative on the timing. Plus there may be other variables. Your timing light or marks may be off a few degrees so you really need to run it and see what works best on your combination.
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