This is topic Are main bolts one time use only? in forum Tech Talk at Northern California Ford Owners .
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Posted by wilit (Member # 3367) on
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I'm thinking they probably are torque to yield bolts and can be used only once, correct?
Where can I find a set of OEM bolts? All I can seem to find is Canton or ARP bolts.
Posted by JohnB (Member # 969) on
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They are technically TTY bolts. With that being said, I've never seen a failure at a main cap from re-using them. ARP are a nice piece of mind, but remember to check the line bore once installed.
Posted by wilit (Member # 3367) on
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That's the reason why I wanted to avoid using the ARP bolts, because I've been told in the past, when you use a bolt with a higher clamping force, you need to make check the journals to make sure they're still round.
I'm installing a FMS windage tray on a seasoned engine and I was planning on loosening up all of the main bolts, replacing the 4 bolts with the ones from the windage tray kit and retorquing everything. Think I'd be okay reusing the OEM bolts?
Posted by JohnB (Member # 969) on
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Yup, you'll be fine. Make sure you use a decent amount of oil on the threads or moly lube, as well as the undersides of the bolt heads. Go for it!
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