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Re: LFD's low buck truck build!
I've had hei's run great anywhere between 8 and 12 degrees just depends on the engine
also i've been told there is a difference for altitude but that could be just a rumor.  I always start at 8 and work from there
Frank
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70 chevy lwb c10
454/th400 and a 9" rearend
suicide doors, marker light fuel fill, 4" cowl , mini tub
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