03-11-2017, 01:23 PM
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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: 21,897
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Not Ranked
My 1965 Ford Service Manual calls for 160-200psi for the 352, 390, and 427. For the 390(4v) it calls for 170-210psi. The allowable tolerance between cylinders is 20psi.
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