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1stgen Exhaust Manifolds?

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Old 04-20-09, 06:56 PM
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1stgen Exhaust Manifolds?

I have a 85 GSL with a 12a and the stud on the cat side of the manifold snapped when i tried to losen the rusty nut. ide rather not have to drill it out so i went to the local junkyard for a replacement part. he had 1 and it was on an 83 12a. his computer said it wasnt compatable but he has been wrong before. Any help here?
Old 04-22-09, 06:26 PM
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bump for some help
Old 04-22-09, 06:31 PM
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Does the stud still have a little left that you can grab it with a pair of pliers? If you can still grab it you can get it out like that.
Old 04-22-09, 06:40 PM
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it does however i was using an air gun so i dont know how torqued down it is haha. plus like i said its terribly rusted and was seized up. on the positive side i have already ordered new studs so they will go back in if i get the old ones out haha
Old 04-22-09, 06:48 PM
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Drill a hole in the stud and try the reversable bits.Try heating it up so the lock tight loosens up.I did it before & it worked.
Old 04-22-09, 06:57 PM
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i can try that but i still need to know if the 83 manifold will swap 1 for 1
Old 04-23-09, 01:14 PM
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get some good **** that will loosen that bolt. stuff stronger than wd-40. cant remember the name of it right now. and then soak it down then try to get it off with pliers
Old 04-23-09, 01:36 PM
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Best idea? Get rid of the manifold! Buy a racing beat header and presilencer, you will love the performance increase.




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