please help
Thread Starter
3rd Gear
Joined: Sep 2011
Posts: 3
Likes: 0
From: ceres ca
please help
i have a 1985 corvette that im puttin back together and everywhere i go they say that the exhaust manifold bolts are discontinued and they cant even tell me what size and how big they need too be. can somebody please tell me what size they are or even where i can buy the set.
thanks, rick aka. c4freak
thanks, rick aka. c4freak
Melting Slicks
Joined: Nov 2008
Posts: 2,765
Likes: 5
i have a 1985 corvette that im puttin back together and everywhere i go they say that the exhaust manifold bolts are discontinued and they cant even tell me what size and how big they need too be. can somebody please tell me what size they are or even where i can buy the set.
thanks, rick aka. c4freak
thanks, rick aka. c4freak
Or same as 3/8" standard coarse thread , 16 threads per inch.
Length ?
Recheck with a tape measure what you need.
Check the exhaust manifold mounting flange(s) thickness with a tape measure.
And add at least 1/4" inch to allow enough thread engagement into your cylinder heads.
Race Director
Joined: Aug 2000
Posts: 11,470
Likes: 763
from what i'm seeing in the parts manual, the bolts are 3/8-16X2.00. there are also some studs - called out as 3/8-16X4.093 and used on the LH #3 hole. another stud, dimensions not called out, but used on #1-4 RH, and #3 LH holes. it's a little confusing - 
- i would think the studs are used with brackets and braces for the alternator, and most likely the AC compressor. -??? - man, i hope this helps...
- i would think the studs are used with brackets and braces for the alternator, and most likely the AC compressor. -??? - man, i hope this helps...
Last edited by Joe C; Sep 17, 2011 at 10:02 PM.
Racer
Joined: Sep 2007
Posts: 375
Likes: 18
From: Lawrenceville Georgia
I just bought some of the double studs for my 89 from the dealer. I'll check the numbers if I can find the package Sunday. Meanwhile, this will give you some info that's usually correct.
Joel
http://www.compnine.com/index.php?u=...00&grouptype=B
Joel
http://www.compnine.com/index.php?u=...00&grouptype=B
Race Director
Joined: Aug 2000
Posts: 11,470
Likes: 763
I just bought some of the double studs for my 89 from the dealer. I'll check the numbers if I can find the package Sunday. Meanwhile, this will give you some info that's usually correct.
Joel
http://www.compnine.com/index.php?u=...00&grouptype=B
Joel
http://www.compnine.com/index.php?u=...00&grouptype=B
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Burning Brakes
Joined: Nov 2008
Posts: 995
Likes: 1
From: Naples Campania
I just bought some of the double studs for my 89 from the dealer. I'll check the numbers if I can find the package Sunday. Meanwhile, this will give you some info that's usually correct.
Joel
http://www.compnine.com/index.php?u=...00&grouptype=B
Joel
http://www.compnine.com/index.php?u=...00&grouptype=B
I really like this........ bookmarked, printed, saved, copied and remembered for future reference.