Re: Do you need to change plugs when converting to HEI?
IIRC, it is .050
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1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed.
1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck.
RIP ElJay
RIP 67ChevyRedneck
RIP Grumpy Old Man
RIP FleetsidePaul
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