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Ls6 heads and gm hot cam

Old 06-05-2006, 04:16 AM
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Default Ls6 heads and gm hot cam

I did search but couldnt find many results of the 2 together 450rwhp with nick williams fast90/90,QTP long tubes,1.85pro magnums and the other bolt ons in my sig?
Old 06-05-2006, 04:18 AM
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Moving to Internal.
Old 06-05-2006, 04:20 AM
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sorry about that.
Old 06-05-2006, 04:31 AM
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No, no 450 rwhp, you should break 400>410 if compression/quench/tune is right

https://ls1tech.com/forums/generation-iii-internal-engine/515481-ls1-hot-cam-s.html

Last edited by PREDATOR-Z; 06-05-2006 at 04:36 AM.
Old 06-05-2006, 04:56 AM
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You might have a tough time getting to 400 through an a4 with the hotcam.
Old 06-05-2006, 05:19 AM
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With Ls6 not ls1 heads is still only about 400hp- 410hp?

Last edited by Z28XTC; 06-05-2006 at 11:54 AM.
Old 06-05-2006, 11:54 AM
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ttt ttt
Old 06-05-2006, 12:52 PM
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You don't believe us?
Read the thread I posted. You'll see average gains from different setups.
And BTW those would have to be "ported" LS6 heads, milled for compression and DCR.
Old 06-05-2006, 10:19 PM
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You are saying that ported ls6 heads milled for compression and dcr make 410 or 450?
And no one on the thread you posted has Ls6 heads.
Old 06-06-2006, 01:35 AM
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With that cam you "MIGHT" reach 400 rwhp and the other mods you listed. You are A4, which loose more horsepower to drivetrain.
You will NEVER reach 450 or close to it with the mods you listed.
Old 06-06-2006, 02:42 AM
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Originally Posted by PREDATOR-Z
With that cam you "MIGHT" reach 400 rwhp and the other mods you listed. You are A4, which loose more horsepower to drivetrain.
You will NEVER reach 450 or close to it with the mods you listed.
That was what I was sayin'.
Old 06-06-2006, 08:11 AM
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I'm hoping for close to 430-450 with my 224/228 cam and fairly heavily ported heads. When I upgrade from the LS6 mainfold to a Fast 90, I'm hoping for upwards of 460-470.

That's with a bigger cam and heads that flow 50+ CFM better than a set of LS6 heads.
Old 06-06-2006, 08:40 AM
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Cool! I get it thanks guys I almost bought this set up,Please tell me what cam and what heads I should get to have a streetable 450rwhp or if its possible heaven forbid 500rwhp NA for the street for my driver.
Old 06-06-2006, 12:59 PM
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To get anywhere close to 450 rwhp A4 you would need either the best heads, cam combo with efficient stall. Like AFR, AFR cam, Cometics etc.... Basically, mucho $$$

Or you need a Big *** cam, flycut, decent heads etc..

Other option is Supercharger

450 is not easy on A4, I've never seen stock cubed 500 A4 (there could be one, but I've never seen it)
Old 06-06-2006, 01:31 PM
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Originally Posted by PREDATOR-Z
To get anywhere close to 450 rwhp A4 you would need either the best heads, cam combo with efficient stall. Like AFR, AFR cam, Cometics etc.... Basically, mucho $$$

Or you need a Big *** cam, flycut, decent heads etc..

Other option is Supercharger

450 is not easy on A4, I've never seen stock cubed 500 A4 (there could be one, but I've never seen it)
or just spray it
Old 06-06-2006, 03:39 PM
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STS (see the sig)
Old 06-18-2006, 12:39 PM
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I know I'm getting in here late, but here's my dyno info with LS6 heads and GM Hotcam, with supporting mods:

https://ls1tech.com/forums/dynamometer-results-comparisons/430607-dyno-d-high-why-dyno-experts-needed.html


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