question about race gas
Make a hit, check plugs on current tune.
Judge plugs and tune-up once you have done this.
I am not really a fan of jacking up the timing.
I like to either add boost, add nitrous or lean out the mixture.
If you have the timing correct for 91 octane, you probably won't see
much improvement anyway.
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No point in advancing timing when he can just add nitrous! Motor wants the least amount of timing it can use to still make peak power!
Not saying any ONE way is right or wrong, but just that there are better ways to make more power while keeping your tune-up clean and safe.
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When I am verifying tune is still in line with what I like to see after I have used the new tune up several times and I am getting comfortable with it I pull from each corner like this: 1,2,7 and 8.







