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Spark plug recommendation

Posted By: cagebob1

Spark plug recommendation - 02/04/19 03:20 PM

5.7 based 392, 12.5 compression, e85 fueled. looking for input on spark plug recommendation. currently using Iridium LTR7Ix-11, not having any problems that I'm aware of, just looking at my options. Drag race only.
bow
Posted By: AlexP

Re: Spark plug recommendation - 02/04/19 04:16 PM

What head are you running?
Posted By: cagebob1

Re: Spark plug recommendation - 02/04/19 06:26 PM

the 392 Apache head, lightly ported
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