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ls1 motor with ls6 style heads?

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Old Apr 11, 2007 | 06:25 PM
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Default ls1 motor with ls6 style heads?

ok...this may have been asked before, but i read an article in car craft where they took a bone stock ls1, bolted some cnc'd ls6 heads, a fast 90mm intake and throttle body, comp springs and pushrods, and a crane zcam and kooks 1 3/4 headers and it made like 500 horse...anyone done this or seen results like this??
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Old Apr 11, 2007 | 06:46 PM
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havnt hurd that... haha
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Old Apr 11, 2007 | 06:57 PM
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Haven't heard that either.
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Old Apr 11, 2007 | 07:29 PM
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CNC'd heads from thunder states fifty over regular LS6 heads, so its believeable if you try real hard.
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Old Apr 11, 2007 | 07:36 PM
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Originally Posted by Shinigami2x4
CNC'd heads from thunder states fifty over regular LS6 heads, so its believeable if you try real hard.

Uuuh... on what heuge cam?
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Old Apr 11, 2007 | 07:50 PM
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cam they used was a crane HR228 zcam...they are stating that all you need to make 500 horse out of an ls1 is a heads that flow 315 cfm and a cam slightly bigger than stock with the proper bolt ons....car craft november 2006 page 39
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Old Apr 11, 2007 | 07:56 PM
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Originally Posted by 98ls1ttop
cam they used was a crane HR228 zcam...they are stating that all you need to make 500 horse out of an ls1 is a heads that flow 315 cfm and a cam slightly bigger than stock with the proper bolt ons....car craft november 2006 page 39
yea 500 flywheel horsepower 425-440rwhp
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