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Originally Posted by jmauld
Obviously, the octane rating plays a part in it. We have 93 octane here so that is what I was using. No race gas or anything like that. The fact that I was running 93 octane gas doesn't change the fact that I changed the base timing and saw an improvement on a dyno.
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Uhhh of coarse it does. Just to let you know, out here in CALI we use 91 octane that is under rated and mixed with 5% ethanol.... Thats the best way to cool hot cylinder temps and is infact probably better than your octane fuel that just uses less heptane..........
I still wouldn't be the next idiot to fully advance the distributor.....