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#1 |
Registered User
Join Date: Dec 2002
Location: Milwaukee, Wisconsin
Posts: 198
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Exhaust Manifold Bolts
Can I get these at an auto parts store? I was tracing my "knock" sound and I felt exhaust puffing from behind the passenger side exhaust manifold and went to tighten the bolts and I'm missing the second bolt from the back. Can I get a replacement bolt from the parts store? Or will i have to go yardin'? Thanks
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Paul D. '78 C20 Scottsdale 350ci 3 speed with granny gear 14 bolt rearend My trucks are "Car-Guy safe".......which pretty much means death trap in the hands of a normal civilian. |
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#2 |
You get what you pay for
![]() Join Date: Dec 1999
Location: Cherryville, NC
Posts: 4,798
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It will be a 3/8" x 16 thread bolt. Nothing special, except the length. I don't remember what length they are off hand though. You could get them at a hardware store but I'm not sure of the grade they are either. I would also say, they could be bought from the dealer, but get ready to pay a crazy price for them. GM likes their stuff a lot.
![]() I've probably got some in my shop, but finding them would be next to impossible.
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Mike 1985 Chevy C-10 |
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#3 |
Registered User
Join Date: Dec 2002
Location: Milwaukee, Wisconsin
Posts: 198
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nuts...er..bolts..hehe
I think this might fix my knock sound...i had a '85 elky that the manifold bolt on the driver's side got loose and made a knocking sound. Would the bolts be the same length as the other ones? Or should I just a buy a few of that spec in different lengths and just compare once i get home? I can't see grade 8 bolts costing more then a few bucks all together.
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Paul D. '78 C20 Scottsdale 350ci 3 speed with granny gear 14 bolt rearend My trucks are "Car-Guy safe".......which pretty much means death trap in the hands of a normal civilian. |
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#4 |
You get what you pay for
![]() Join Date: Dec 1999
Location: Cherryville, NC
Posts: 4,798
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Yep, just compare them to the other ones and get the same length. Grade 8 would work nicely.
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Mike 1985 Chevy C-10 |
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#5 |
Registered User
Join Date: Jun 2001
Location: Houston, TX
Posts: 126
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I think I'd go grade 5 for exhaust manifold bolt.
-- Mike
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http://home.houston.rr.com/chevy73/ |
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