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Old 09-29-2021, 09:31 AM   #3
VetteVet
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Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,703
Re: HEI ignition problem help.

How are you feeding the HEI distributor BAT terminal. If you are using the old coil resistance wire you will have to replace it with a new wire from an ignition on power wire.

I would just disconnect the tach wire at the distributor and see if anything changes with the misfire. Like wrench says, it could be a carb or plug problem.
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