Hei conversion troubleshooting

I will switch over next time I try, I guess I don't quite understand, doesn't vacuum drop to 0 when you stomp on the gas on both ported and manifold vac? Didn't hear any pinging but It would have been hard to hear over the exhaust.


I actually clipped the old distributor connections off to check them thoroughly, they were good. Going to solder new ones on and try again.

If I had stray voltage getting through the ground, what would that look like on the meter? Coil hot to distributor case showing less or more than battery voltage? I am really electrical-illiterate.

The only problem I would see with ground is if the distributor is tight enough to ground to the block, and the module properly grounded to dist. You might check THE MODULE MOUNTING SCREWS be sure they are not too long and allowing the module to be loose

The battery MUST be grounded to the engine block or it would never crank.

There is no connection to a coil case unless the coil is defective. I see you've got more than one coil, so I can't see that a problem

I am REALLY running out of ideas