Forced Induction Superchargers | Turbochargers | Intercoolers

600hp turbo ls1 cam?

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Old Sep 21, 2014 | 09:24 PM
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Default 600hp turbo ls1 cam?

I'm shooting for 600 hp with a gt45. Before I get tuned what cam should I go with?
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Old Sep 21, 2014 | 09:26 PM
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What kind of gains would I get from a cam on a setup like this?
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Old Sep 23, 2014 | 12:10 PM
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You can make 600hp with the stock camshaft and that turbo.

An aftermarket cam will move more airflow at the same amount of boost as a stock cam. Meaning more power on the same amount of boost until the turbo can no longer efficiently supply the airflow the engine is demanding.

An aftermarket cam can help with spool time and it can increase the operating range of the engine, but mating the camshaft to the combination and more specifically the turbo is very important.

Is this a 5.7 LS1 engine?
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Old Sep 23, 2014 | 01:43 PM
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ls6 cam FTW
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Old Sep 23, 2014 | 06:50 PM
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Martin spec'd me a cam for my gt45 build. Dude knows what he is talking about and customer service is unreal. Be looking for my build very soon, motor is nearly out..
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Old Sep 23, 2014 | 07:17 PM
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It's an LS1 with qtp longtubes. It's gonna be a rear mount setup.
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Old Sep 23, 2014 | 07:34 PM
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I'd still talk to Martin. After you do, you'll understand why.
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Old Apr 9, 2026 | 04:46 PM
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Okay so it's a 5.7? What intake? What RPM did you shift the car when it was NA, 6600-6900?

I was asking how much RPMs it drops on the shift. But if you are changing the turbo don't worry about that question for now.

Sounds like you are trying to get around 9.90s in the 1/4 at your weight I'm thinking that's 7xx crank HP. I think 14-15 psi would get it there.

I ran a 5.7 with pistons and rods with a GT47-88 20 years ago and went 9.40@147. I went 10.0@139 on pump gas.

I hit my SBE 5.3 gen 3 LM7 with 18 psi to go 5.6@127, Wallace says 920hp. And on May 8/9 I will run 5.3-5.4 or break it lol.
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Old Apr 10, 2026 | 05:48 AM
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Are you only interested in 600 HP-what about drivability, are you locking up a torque conv. at lower speeds, etc.
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Old Apr 10, 2026 | 06:04 AM
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You guys are responding to a 12 year old post, FYI.
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Old Apr 10, 2026 | 08:22 AM
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@Pro Stock John what are you doing my man, getting your necromancy on lol.
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Old Apr 10, 2026 | 09:58 AM
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Site did some glitchy thing and my post ended up in the wrong thread.
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Old Apr 10, 2026 | 10:09 AM
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Originally Posted by Pro Stock John
Site did some glitchy thing and my post ended up in the wrong thread.
I just had to give you a little crap lol.
I've been skulking late at night not paying attention and done it a couple times.
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Old Apr 10, 2026 | 10:12 AM
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No worries lol, sometimes when I switch pages in a post it takes me to another thread.
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Old Apr 10, 2026 | 12:03 PM
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It's stuff like that or responding on your phone that will get you off track. I don't really like how the thread rolls into a related topic.
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