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question about manifold????

This is a discussion on question about manifold???? within the External Engine forums, part of the LSx Technical Help Section category; if the manifold came off a 2000 ls1 corvette is this considered a ls6 manifold? also what kind of gain ...

  1. #1
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    question about manifold????

    if the manifold came off a 2000 ls1 corvette is this considered a ls6 manifold? also what kind of gain would that give my 2000 z28?

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    Quote Originally Posted by sosacorksthebat View Post
    if the manifold came off a 2000 ls1 corvette is this considered a ls6 manifold? also what kind of gain would that give my 2000 z28?
    im not 100% on this but im saying no. actually yeah im saying no. the exhaust ports (i dont think were different between the ls1 and even the true ls6 even. as for a gain....nothing. dont deal with factory manifolds, there is a reason everyone runs some type of headers...they flow way better. longtubes will yield the most gains. try pacesetter or jet hot, kooks, or hooker, borla......anything will be better than a stock manifold.

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    i'm thinking he is talking about an intake manifold not an exhaust manifold.

    And NO a 2000 corvette intake manifold is still a LS1 manifold. The LS6 started on all '01+ motors.

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    Are you meaning LS6 intake manifold? Check the PN, 97-00 Vette 12556333 is a LS1 manifold - w/o EGR provision and not flat on the bottom if I remember correctly.

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    i jus totally blacked out on this one. its probably because i was looking at borla exhaust on ebay and let my subconscious take over. wow.

    anyway....you want an ls6 intake...unless you can get a fast intake for cheap

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    Quote Originally Posted by 2001NBMZ28 View Post
    Are you meaning LS6 intake manifold? Check the PN, 97-00 Vette 12556333 is a LS1 manifold - w/o EGR provision and not flat on the bottom if I remember correctly.
    correct

    '97-'00 LS1 - curved bottom
    '01-'04 LS6 - flat bottom

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    thanks guys

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