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04-02-2008, 02:19 AM
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#1 |
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Registered User
Join Date: Nov 2007
Location: oshawa ontario
Posts: 5
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87 exhaust manifold
Does anyone know the difference between the 1987 exhaust manifolds and the 1988 -1995 manifolds for a 5.7 L TBI 4X4 ? Several of the major suppliers have a part number that is specific to 1987, then a different part number for 88-95?
I need new manifolds for my GM crate engine because my old ones have shrunk to much to be re-used. (The Goodwrench engine is built to be like a 1994, I was told). I want to transfer all of the plumbing from my 1987 but don't know what exhaust manifolds to buy. They look the same in the photos. Thanks |
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04-02-2008, 04:29 AM
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#2 |
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Registered User
Join Date: Jan 2008
Location: Federal Way, WA
Posts: 53
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Re: 87 exhaust manifold
87's dump in a different place than 88 and up. on 88 which is a different chassis the passenger side dumps towards tha back I think? and the drivers side dumps straight down between the 3 and 4th port. Or #5 and #7 if you want to get technical. : )
__________________
1970 K-10 400CID, to much cam--not enough compression  Stan's Headers  and a 4" lift / 1990 R1500 Suburban 4X4, 350CID with vortec heads, edlebrock intake, TBI, 10:1 compression and Stan's Headers "The probability of someone watching you is directly proportional to the stupidity of your actions" |
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04-02-2008, 04:45 AM
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#3 |
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BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Re: 87 exhaust manifold
I installed 3/4 length Chevelle headers. Work and fit great!
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04-03-2008, 02:00 AM
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#4 |
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Registered User
Join Date: Nov 2007
Location: oshawa ontario
Posts: 5
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Re: 87 exhaust manifold
Thanks dadsbrew... I see the difference now. The left (drivers) side manifold outlet is directed more to the ground. I'm going to need the 87 manifold to match my stock exhaust.
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