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920codyroad 920codyroad is offline
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Join Date: Oct 2009
Posts: 48
Wiring a '76 tach to an HEI distributor?

I swapped out the engine in my '76 911 for a water cooled Vortec V6. It has an HEI distributor. I found the black wire with purple dots in the engine bay and hooked it up to the tach connection on the HEI distributor. The tach worked, but I think it's off. It seems very touchy.

What do I need to do to make the tach work correctly?
Old 10-15-2009, 04:58 PM
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