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460 Exhaust manifold bolts coming loose
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Stock 460 exhaust manifolds, I can't keep the bolts from coming loose. I have to retorque them monthly and some of them actually fall out if I forget.
Does anybody have any secrets as to keeping the darn things tight? Would lock washers keep them from coming loose? Any suggestions?
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Gary
1977 F250 460 Hauler, 1986 T-Bird 3.8 V6
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