Thread: 78 Trans Am getting some love

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What do I do with this distributor? We got the kit in but I'm not sure how to adjust everything right. I got base at about 12, vacuum is at about 24 manifold vacuum and mech total is around 29. How do you balance this all out? if I advance the total to 34 then the base goes too high and what should I do with the vacuum, manifold vacuum or port. If I go to port, wouldn't that cancel out the mechanical weights? I feel kinda dumb asking elementary questions like this but I don't think I've ever messed with this very much before.

Originally Posted by 53 Chevy5

What do I do with this distributor? We got the kit in but I'm not sure how to adjust everything right. I got base at about 12, vacuum is at about 24 manifold vacuum and mech total is around 29. How do you balance this all out? if I advance the total to 34 then the base goes too high and what should I do with the vacuum, manifold vacuum or port. If I go to port, wouldn't that cancel out the mechanical weights? I feel kinda dumb asking elementary questions like this but I don't think I've ever messed with this very much before.

UGH.. so many questions!
What is this kit??? is it controlling when timing cones in? how is it being adjusted? Did the kit provide instructions?

What you're calling "Base" is the reading on the TAB without vacuum connected? Yes/No? 10 or 12 degrees should work fine. ( if I'm reading this right)

The 24 is when you connect the vacuum line? I'd prefer manifold vacuum source, but some tuners like the Ported connection

And with the vacuum dis-connected, and you're spinning the motor up, what is the maximum timing you can read and at what RPM?

See, MORE questions!!!