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Exhaust manifold bolts: Threadlocker?

HitIt

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Replacing the cracked exhaust manifold on my 2003 Silverado 5.3L. Service manual says to use high temp, high strength threadlocker on the manifold bolts. Seems crazy to me. I have copper or nickel anti-seize that seems like it would be a better fit.

What say ye?
 

Racer56

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High temp anti seize and all metal locknut's.
 

HitIt

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