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My tach does something funny..


Guest Anonymous

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Guest Anonymous

It has a tendency to bounce around when you let off the throttle. It's done this since the day I bought the car (has gotten a bit better since I installed the pertronix) But I can't seem to figure out wtf it does this. Any ideas?

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Guest Anonymous

you might try replacing the point plate in the dizzy. It's the metal "floor" inside the dizzy that the points are fastened to, and part of it moves back and forth to provide vacuum and mechanical advance. Chances are it's never been replaced, and they do wear out. They're not expensive, are easily replaced and come with a new set of points. A worn point plate will cause tach bounce.

Cheers

Mike

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