I am running a all forged 393 with a blow through carb, and no cooler. I ran it with the timing locked at 32 deg when NA. Wonder what I should try with a retard that will only do a set retard using a hobbs switch. I am running 9.5 compression, 93 octane, and 15 psi of boost for now. Will be adding meth injection in the Spring.
I was thinking about using 28 locked, and about 4 degree retard at about 8 psi. Any input?
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