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06-25-2012, 09:38 AM | #1 |
Registered User
Join Date: Sep 2009
Location: east tennessee
Posts: 158
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Help with exhaust manifolds
Anyone using stock manifolds with a 5.3 in original AD frame? Have a 5.3 out of an avalnche but the manifolds are to wide. Trying to stay away from headers. Any ideas?
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06-25-2012, 11:58 AM | #2 |
meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: Help with exhaust manifolds
look around the section a bit, it comes down to a handful of options. Truck manifolds won't fit, some have squeezed the early f-body headers in, TBSS manifolds fit almost anything, 2010+ ls3 manifolds are similar and work depending on your motor position, doug thorley swap headers work but you don't want headers.
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06-25-2012, 01:53 PM | #3 |
A guy with a truck
Join Date: Sep 2005
Location: Germany, for now
Posts: 5,921
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Re: Help with exhaust manifolds
Trailblazer SS are a good option for most. I just so happen to have a set for sale...
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06-26-2012, 01:43 AM | #4 |
Collector of Projects
Join Date: Apr 2003
Location: Las Vegas
Posts: 3,106
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Re: Help with exhaust manifolds
TBSS manifolds are tucked in more then the ones you have. 04/05 GTO manifolds look to be tucked into the motor better AND only use two studs to the collector is more narrow then the truck tsyle with three studs. The late model Camaro manifolds are also an option. I will try and get all the GM part numbers together....
I believe these are the Camaro part numbers: 12611640 and 12611641... you can see them in this post HERE Last edited by mcmlxix; 06-26-2012 at 01:54 AM. |
06-26-2012, 06:19 PM | #5 |
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Join Date: Oct 2009
Location: Broken Arrow, OK
Posts: 1,245
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Re: Help with exhaust manifolds
Corvette manifolds look and work alot like a 4 into one block hugger. They are stainless instead of cast. Worked out great for me.
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06-26-2012, 08:50 PM | #6 | |
Collector of Projects
Join Date: Apr 2003
Location: Las Vegas
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Re: Help with exhaust manifolds
Quote:
Do you have any casting numbers or part numbers? |
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06-26-2012, 10:41 PM | #7 |
Registered User
Join Date: Oct 2009
Location: Broken Arrow, OK
Posts: 1,245
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Re: Help with exhaust manifolds
These are 97-99 vette. The Y2K cars went to a cast iron manifold with a heat shield. After 05 I'm not even sure what they came with. I got these on ebay for $75 years ago and there's a pair on there right now for $89.50
http://www.ebay.com/itm/GM-CHEVY-GEN...f6651e&vxp=mtr I hope that helps.
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