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any ideas for spark plug gap with 190 psi of cylinder pressure and the MSD StreetFire box?
.040 is probably close, but maybe a better question is where do they sell race gas in your neighborhood. That's a lot of cranking compression for pump gas.
1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's 1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
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