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Need a quick answer; which part will help more?

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Old Nov 2, 2006 | 06:51 PM
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MyCarIsSLow's Avatar
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Default Need a quick answer; which part will help more?
ok, so heres my setup:
347 ls1. 232/234 .565/.585 nitrous cam. port and polished 5.3L heads. long tubes. no a/c. stock intake manifold (! egr)/stock pullies.

will my car gain more from an LS6 intake? Or will it gain more from a 25% underdrive crank pully?

quick answers please, i'm buying tommorow
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Old Nov 2, 2006 | 06:52 PM
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you will probally gain a little more with the intake, generally the LS6 intake gives you 15 RWHP and the pulley will give you around 10, either way you cant go wrong, and the pulley is cheaper so its really a win win situation
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Old Nov 2, 2006 | 06:55 PM
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the intake would be used, $225 and the pulley will be new and around the same price.

i turn 6500 rpms on this combo if that affects anything
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Old Nov 2, 2006 | 06:56 PM
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Well I would jump on the intake b/c thats a hell of a price for a LS6 intake, then save up and buy the pulley
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Old Nov 2, 2006 | 06:59 PM
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thanks

another thing that might affect it. this was an early model ls6 with an egr port.. is there any difference in performance?
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Old Nov 3, 2006 | 09:50 AM
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If it has an egr port I dont think its an ls6. NO c5's had egr's. be careful. Does it have a flat bottom or a rib down the center?
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Old Nov 3, 2006 | 01:30 PM
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ls6 intake
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Old Nov 3, 2006 | 05:58 PM
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intake for sure.
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Old Nov 3, 2006 | 06:09 PM
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Break the bank and get both!
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Old Nov 3, 2006 | 10:44 PM
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intake
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Old Nov 6, 2006 | 12:02 PM
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it has the flat bottom. i went ahead and got it friday. thanks for the help folks!
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