EFI

RockinRobin said

I forgot to mention that a tuner told me this type of motor usually likes around 12.9, so I started way rich, 12.5, and leaned it by .1 every step until it wouldn't run any faster. Also checked plugs in between passes.

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Thank you for all the good information. I put a alcohol carburetor on the AMX and still tuning on it. Made 6 passes with it so far 60 ft and 330 fr were within a thousandth of each other. So if it stays that way I probably won't switch. But I do have a complete Dominator EFI that I can put on it.