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Can I get 500rwhp lq9?

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Old 06-08-2018, 12:08 PM
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Default Can I get 500rwhp lq9?

So I wanna know , all the threads and forums don't really give me promise..but here's my build.
•rebuilt lq9(flat top pistons)
•tfs 225 heads
•harland Sharp roller rockers
•tfs 238/242 .595 595 cam
•fast 102 port matched/Holley 92mm tb
•46lbs injectors
1 7/8 long tubes, x pipe true dual
•t56 /410 gears, stock 10 bolt(I know..)
•18inch tire
I know power is subjective, bit has there been any lq9/ls2 builds similar?
Old 06-08-2018, 12:12 PM
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Ditch the Trick Flow cam. They have super lousy lobes on them.
Why port match a 102 and then put a 92mm throttle body on it?
Old 06-08-2018, 12:17 PM
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I ported the intake runners, 92mm tb that's all I had, what cam would you recommend? I want to stay under 242 duration..I want it to pull hard at 2500 or 3k..
Old 06-08-2018, 12:27 PM
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Just a 370 LQ9, not a 408 stroker right?
Old 06-08-2018, 12:28 PM
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Originally Posted by HCI2000SS
Just a 370 LQ9, not a 408 stroker right?
Right just a 370
Old 06-08-2018, 12:30 PM
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Then you're going to have to make some sacrifices.
You're not going to make 500 at the wheels on a 370 and it make power at 2500 RPM. If you want torque when you hit the throttle, swap to an auto trans with a proper converter.
You're also not going to keep duration on the cam super low and make the power you want.
Old 06-08-2018, 12:31 PM
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Originally Posted by JoeNova
Then you're going to have to make some sacrifices.
You're not going to make 500 at the wheels on a 370 and it make power at 2500 RPM. If you want torque when you hit the throttle, swap to an auto trans with a proper converter.
You're also not going to keep duration on the cam super low and make the power you want.
Ok I can make some sacrifices...what would you recommend
Old 06-08-2018, 12:39 PM
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I'd recommend calling Kip at Cam Motion and telling him you want 500whp from your 370. He will set you up with a low lash solid roller cam that will get you 500 HP. Expect the duration to be in the 24x/24x range with .630-.650 lift.

He did an LS2 not long ago with the same heads/intake/exhaust you have and it made 505 at the wheels.
https://ls1tech.com/forums/dynamomet...q-ls2-gto.html
Old 06-08-2018, 03:25 PM
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My buddy made 495 rwhp on his stock cube LS2 with Mast 215 heads, 239/247 duration cam, and ported Fast 92. There's one example for you
Old 06-08-2018, 03:28 PM
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Originally Posted by HCI2000SS
My buddy made 495 rwhp on his stock cube LS2 with Mast 215 heads, 239/247 duration cam, and ported Fast 92. There's one example for you
Damn wow, where you located?
Old 06-08-2018, 03:29 PM
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Originally Posted by Aaron.02.Z28
Damn wow, where you located?
I'm just outside of Flint MI. How about yourself?
Old 06-08-2018, 03:35 PM
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Originally Posted by HCI2000SS
I'm just outside of Flint MI. How about yourself?
Im in El paso Texas
Old 06-10-2018, 08:11 AM
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As the others said there will be some trade offs for 500 whp vs low end torque to meet your whp goal. Hawk's Motorsports did a LS2 that made an honest 494 whp with a custom 231/236 cam, 102 LSXR w 102 TB, ported AFR heads, 1 7/8 headers, etc. I think you can get close to the 500whp mark and kept OK bottom end.



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