anti-seize or not
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More Turbo
Joined: Apr 2006
Posts: 551
Likes: 63
From: NC
anti-seize or not
I am working on getting my 56 back on the road.One of the things that I've done is swap the 472 Caddy engine for a fresh 472. I had to use the exhaust manifolds from the old engine on the "new" engine.In the process , I broke off 3 bolts that fasten the manifold to the head.I have drilled them out and cleaned the threads in all the holes. My question is...Should I use anti-seize on the new bolts? The breaking bolts must be a common problem on these Caddy engines as the 3 that I have owned all came with broken bolts and others I have seen were the same way.I have never used anti-seize on anything except sparkplugs in aluminum heads.I want the bolts to stay tight once installed , but don't want to experience any more broken bolts.They would be almost impossible to remove without having the fenders off and the engine jacked up. Thanks.
Fleet Mechanic
Joined: Aug 2009
Posts: 1,771
Likes: 9
From: Western Washington
I wouldn't worry about putting anti-seize on them, after a few heat cycles it turns into more of a chalk than a grease. Just make sure you re-torque them after you run the motor for a bit and you'll do just fine.
Sam
Sam
Lead Driver
Joined: Aug 2006
Posts: 8,094
Likes: 654
From: Brentwood, TN
I use the Loctite red...hi temp...extensively. Your application is exactly what this product is made for.
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