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Case Tractors Discussion Forum

Case L manifold stud bolts

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Steve (DE)

06-07-2005 18:00:33

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Well, been working on the left side of the engine. Pulled all four (one at a time, so the manifold didn't fall off on my toe) of the studs that hold the exhaust manifold in place. Two were still usable, and two were beyond help. I made two new ones from 1/2" machine bolts. I had taken a file to the old ones and they seemed pretty soft steel to me. But, I got to wondering...should I have used a high strength bolt to make these replacement studs?

Second, how much torque to use when I tighten them back up? I did use a light coating of anti-sieze compund when I put them back in, thinking that the next time around it would be a bit easier to get them out.

Thanks guys.

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george md

06-07-2005 20:25:41

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 Re: Case L manifold stud bolts in reply to Steve (DE), 06-07-2005 18:00:33  

Use grade 5 , but do not use grade 8 bolts

to make the studs .

Where in del are you ? I'm in northeastern

Md .


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Larry Martin

06-07-2005 18:18:54

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 Re: Case L manifold stud bolts in reply to Steve (DE), 06-07-2005 18:00:33  
You need high strength studs for this as the common bolts will stretch every time you heat the tractor up and you cannot ever get them tight. You can find the studs at a good auto parts store at a reasonable price.

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