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Old 06-22-2012, 06:21 PM
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Silverback51 Silverback51 is offline
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Join Date: Jun 2007
Location: Covington, wa
Cobra Make, Engine: Superformance # 532, 466 BB, 560HP
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Quote:
Originally Posted by jwd View Post
MSD uses AC/Delco vacuum advance units. You need to know what your engine vacuum is at an idle in order to choose the correct unit.
I know it sucks.

Otherwise it would be a diesel.
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