390 timing cover question
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Laughing Gas
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From: orange county, ca.
390 timing cover question
What Bolts on the timing cover go into water passages. I'm trying to start mine after a rebuild and it's leaking from a timing cover bolt next to the water pump. Are just the two bolts next to the water pump the only ones?.
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From: Houston
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Joined: Jan 2012
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From: Houston
Oh yes, absolutely that timing cover bolt goes into the water jacket. You can reach your finger into the water pump opening and feel it (or maybe put a nut on it?). It is the only one that goes through, at least on a 1965 352.
Now in 1968 they made a bigger bolt for the timing pointer and it goes into the block but I don't know if it gets into the water.
Now in 1968 they made a bigger bolt for the timing pointer and it goes into the block but I don't know if it gets into the water.
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I've personally never paid attention to the older pre-65 blocks, but newer ones shouldn't go thru to the jacket.
Either way, I can see slathering those particular bolts with silicone should alleviate any issues with the water jacket.
Seems improper, however, to expect the timing cover paper thin gasket and bolt to hold back 12+ psi coolant pressure from entering into the timing cover and polluting the oil.
Maybe that's why Ford later changed the casting?
Josh
Either way, I can see slathering those particular bolts with silicone should alleviate any issues with the water jacket.
Seems improper, however, to expect the timing cover paper thin gasket and bolt to hold back 12+ psi coolant pressure from entering into the timing cover and polluting the oil.
Maybe that's why Ford later changed the casting?
Josh
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