what spark plugs are good?
I am running AC Delco 41-906's gapped at .040 (high compression) in mine. I have a GM OPTI with a MSD Blaster Coil.
Runs like a fat kid after a cupcake, slow but determined.
I am running AC Delco 41-906's gapped at .040 (high compression) in mine. I have a GM OPTI with a MSD Blaster Coil.
Runs like a fat kid after a cupcake, slow but determined.

On a side note if your nearing 400 rwhp and running some good timing like 35+ then TR-6's are a great choice.
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