thinking about buying this intake manifold...need your insight
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From: central coast, cali
thinking about buying this intake manifold...need your insight i have a 98ls1 and im thinking about buying a Lingenfelter LS6 aluminum intake, for 275.00.... their site quotes, "We bolted a Weiand/Lingenfelter aluminum intake manifold onto a stock 1999 Pontiac Trans-Am WS6, and we were rewarded with 22 more RWHP on our Mustang Chassis Dynamometer." but companys always lie about numbers, so im in need of some of your insights and input on this intake, thanks
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From: central coast, cali
also... do you need the coolang lines and the plugs for this manifold like you do for the ls6 manifold....to fit onto a 98 ls1? it seems as though you can have your stock 98-00 egr setup? please take a look at it and tell me if i need to do so
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Last edited by WILWAXU; Mar 18, 2006 at 04:03 PM.
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From: Barbaria
I have a 98 with an LS6 manifold. You don't need to get the new style cooling lines, but you'll have to dremel some of the ribs off the bottom of the manifold to make it fit. It's not too hard, took me maybe 20 minutes at most. For the EGR, just get the block off plates and ditch it.
It looks like that aluminum manifold will work with EGR, but I don't know why you would want to keep it...or pay that crazy price when you could pick up a regular LS6 for way less.
I don't know your mods, but a 10-15hp gain would be about right for a bolt on, stock motor car.
It looks like that aluminum manifold will work with EGR, but I don't know why you would want to keep it...or pay that crazy price when you could pick up a regular LS6 for way less.
I don't know your mods, but a 10-15hp gain would be about right for a bolt on, stock motor car.
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From: central coast, cali
im not paying over 700.00 for it, im getting one for 275.00.... i wouldnt pay that ridiculous price either, but for 275.00... it doesnt seem that bad.....
so i guess the intake manifold does work with egr?? but i should ditch it anyways?
so i guess the intake manifold does work with egr?? but i should ditch it anyways?
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. Plastic =no heat soak = good 
. 
Heat soak is bs. 
You will lose *maybe* 3hp on a 500hp engine. There is way too much volume of air passing way too quickly to pick up enough heat to make any difference. Search the dyno section of this site.
I love my manifold. Plus you can port to whatever runner size and shape you want. I felt much more low end grunt putting this intake on.
You will lose *maybe* 3hp on a 500hp engine. There is way too much volume of air passing way too quickly to pick up enough heat to make any difference. Search the dyno section of this site.I love my manifold. Plus you can port to whatever runner size and shape you want. I felt much more low end grunt putting this intake on.
