LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Exhaust manifold bolts

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Old 01-25-2021, 08:59 AM
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Exhaust manifold bolts

I got a couple of broken exhaust manifold bolts in my heads but they dont have to come out since I have new longtubes, I see many different bolts on oriellys and such and would just like to have a link to the right product, if you can help i appreciate it
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Old 01-25-2021, 01:30 PM
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Re: Exhaust manifold bolts

nevermind, found the 1'' bolts on ARP's website and looked up the part number on summit,
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Old 01-25-2021, 03:37 PM
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Re: Exhaust manifold bolts

How are the new bolts going to work if you have "a couple of broken exhaust manifold bolts in my heads but they dont have to come out "?
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Old 01-25-2021, 05:38 PM
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Re: Exhaust manifold bolts

I had the same issue. The headers didn't use that location for a new bolt where they had broken off. That was my biggest reason to do aftermarket headers.

Last edited by mrmint69; 01-25-2021 at 05:49 PM. Reason: Missed word
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Old 01-26-2021, 08:03 AM
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Re: Exhaust manifold bolts

the only bolts that broke were in the manifold only holes, since I am installing longtubes that solves that problems
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Old 01-26-2021, 08:32 AM
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Re: Exhaust manifold bolts

I remember reading years ago, if you heard an exhaust leak to check the rear manifold bolt heads to see if the tops were broken off. It must be pretty common on those particular ones.
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Old 01-26-2021, 08:57 AM
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Re: Exhaust manifold bolts

if I'm correct ARP's 1" bolts are what everyone recommends
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