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Old 07-25-2022, 06:39 PM   #16
tim_mc
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Join Date: Jan 2019
Location: St Peters, MO
Posts: 435
Re: Problems after HEI install

Good deal. Per their FAQ, they recommend a max of .007 over the stock spark plug gap:
https://pertronixbrands.com/pages/faqs
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1967 C20, 350 SBC w/Comp roller cam, 700R4 w/3.42 posi, PS, 4-wheel PDB, Old Air AC & GM Tilt column.
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