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Old 03-06-2002, 02:53 PM
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Since you started the thread, you can close it, but I think that would kill it. Not sure, maybe someone else would have a better idea.

Anyhow, it was a good question and I found the answers/comments enlightening.

I put racing fuel in my Olds 425 (385 hp, 10.5:1) and noticed a difference over 93 pump. I had to back off the timing a bit, but of course this was a carbureted, 34 yr. old car.
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