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Old 04-17-2013, 11:24 PM
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I agree with Vinnie, the motor needs ignition timing way more than it needs a different manifold. I think he's suggesting 20 degrees at the crank and I agree. You'll need to limit centrifugal advance to about 16, so that you have no more than about 36 total, all in by 2800 rpm's.

The problem that a lot of you fellows are running into is that the harmonic dampers are not telling you the truth, so what you think the timing is, it is not. Please read through this tutorial to understand how to verify Top Dead Center of the piston and match it with the TDC mark on your damper.....
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