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Old 04-18-2008, 08:45 AM   #1
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exhaust stud size
hey, wondering if anybody could tell me the size of the exhaust studs(the ones that thread into the exhaust manifolds) for my 86' t/a.. the thread size in particular, I dont have a thread depth gauge..thanks
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Old 04-18-2008, 10:21 AM   #2
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Re: exhaust stud size
It's a 3/8"NC thread. Probable around 2" long or so. You mean the ones that thread into the head, and hold the exhaust manifold on to the head don't you?
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Old 04-18-2008, 12:51 PM   #3
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Re: exhaust stud size
no...I'm looking for the studs that thread into the manifold....bolts the y-pipe to the manifold, I'm lookin for the pitch of the threads
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Old 04-18-2008, 02:03 PM   #4
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Re: exhaust stud size
They are still 3/8 - 16 (coarse).
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Old 04-18-2008, 03:16 PM   #5
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Re: exhaust stud size
oh ok. Yep, still 3/8NC as mentioned.
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Old 09-28-2009, 05:20 PM   #6
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Re: exhaust stud size
Which year did they change the thread size? The following link states that it is M10 -1.5 pitch (for an '88).

http://www.thirdgen.org/techboard/ex...pipe-stud.html (Manifold - y pipe stud size?)
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Old 09-28-2009, 05:55 PM   #7
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Re: exhaust stud size
It is definately M10x1.5, confirmed on rockauto.com.
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Old 09-28-2009, 07:45 PM   #8
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Re: exhaust stud size
Quote:
Originally Posted by tazextreme3 View Post
It is definately M10x1.5, confirmed on rockauto.com.
Yes, I checked rockauto, too. I also just ordered the studs. The assorted kit is by Motormite #03100.
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Old 09-28-2009, 07:45 PM
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