Re: Tach Problems
In an earlier thread I "guessed" that you have an MSD 8360. If you do in fact have an 8360 there "should" be a green tach feed wire. It is not in the 3 wire bundled harness with the plug connector, but about a 6" wire that comes out of the bottom of the dist body all by itself with a female spade connector at the end.
If you don't have the green wire, then you probably don't have an 8360 - or - somebody clipped the wire.
Even if you find the green, there's no guarantee that your tach will work correctly. There are lots of reports of the factory tach (esp the repro tachs) not working correctly with MSD ignition, and might require some sort of tach filter.
JimM on this site knows his way around these things pretty well. I'd contact him, or the MSD tech help.
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