Aftermarket Cummins M11 Exhaust manifold bolts or studs?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by jayfarmlaw, Mar 1, 2022.

  1. jayfarmlaw

    jayfarmlaw Bobtail Member

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    Dec 12, 2020
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    I'm about to start sacrificing chickens, chanting Tibetan monk chants, burning incense, and alternating applications Acetone/Trans fluid, Kroil, and liquid wrench to appease the broken bolt Gods to hopefully not snap any manifold bolts when changing the manifold gaskets.

    I don't see any "better" options on the internet and ARP does not show an application. Would studs be better or any other aftermarket options to make future work easier....as in less likely to snap off....in the head?

    Anything else I should do preventative wise while I have the exhaust off?

    Thanks in advance for your response.

    Jay
     
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  3. W923

    W923 Road Train Member

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    Feb 28, 2022
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    Anti seize and new stainless bolts would be my go to. Always worked on off road equipment with the 8.3. I think the record in my shop is drilling and extracting 11 of the 12 bolts, the 8.3 seems to be the worst for this problem
     
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