
10-26-2020, 11:55 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by Michael C Henry
PCD" kept coming up I still do not know what that means.
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That's Pitch Circle Diameter. It's the diameter of the circle as it passes through the center of the holes.
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