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Old 09-13-2011, 05:47 PM   #1
Anthony @ LG Motorsports
 
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-569 rwhp- LS3 LG Motorsports build
Looking for a MAX. effort, stock displacement build for your LS3?

This is one example of what can be done when you have a little more room to work than just a head and cam package. We finished this build up earlier this year for a weekend road race Corvette project.

  • Stock LS3 block
  • Forged Callies crankshaft
  • Forged Rods
  • Forged Pistons
  • 12:1 compression ratio
  • LG Motorsports CNC ported LS3 heads
  • G6XX Custom grind cam
  • LG 1 7/8" Super Pro Headers
  • FAST 102mm LSXR intake
  • 102mm throttle body
  • Tilton clutch
  • 100 octane un-leaded

This would be a bit aggressive for a daily driver, but for someone wanting the most from a stock displacement build, it shows what can be done with a 6.2L package.



That should put it roughly in the 655-670 HP at the engine...or 30-40 more than a OEM ZR1
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Old 09-13-2011, 06:02 PM   #2
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what kind of numbers for 416, your st2 ls3 heads. pump gas
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Old 09-13-2011, 06:10 PM   #3
Anthony @ LG Motorsports
 
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Originally Posted by SC_Titan View Post
what kind of numbers for 416, your st2 ls3 heads. pump gas

Last 416 we built for a 4th gen Camaro put down 549 rwhp and 530 rwtq through a 9" Ford rear end, that was using a smaller cam than the above package.

Depends on the total combination of course. Generally speaking going to a stroker combination increases HP roughly 10-15 and torque 35-45 at the tires given no other changes.
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Old 09-13-2011, 06:50 PM   #4
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Price?
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Old 09-13-2011, 07:01 PM   #5
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NICE!
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Old 09-13-2011, 07:03 PM   #6
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that is awesome
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Old 09-13-2011, 08:07 PM   #7
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dang great numbers!
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Old 09-13-2011, 08:13 PM   #8
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How long till the motor goes KABOOM!
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Old 09-13-2011, 08:14 PM   #9
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What is the price ??? figured that it was about the same for a 416 build ???? I am looking for a nice big cam, and large dose of gas.
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Old 09-13-2011, 09:11 PM   #10
MileMAN402
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might be a newb question, but how does one go about raising the compression ratio?
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Old 09-13-2011, 09:59 PM   #11
Parag

 
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Mil the heads , popup pistons
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Old 09-13-2011, 10:28 PM   #12
5thGenCamaroKid
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Quote:
Originally Posted by Anthony @ LG Motorsports View Post
Looking for a MAX. effort, stock displacement build for your LS3?

This is one example of what can be done when you have a little more room to work than just a head and cam package. We finished this build up earlier this year for a weekend road race Corvette project.

  • Stock LS3 block
  • Forged Callies crankshaft
  • Forged Rods
  • Forged Pistons
  • 12:1 compression ratio
  • LG Motorsports CNC ported LS3 heads
  • G6XX Custom grind cam
  • LG 1 7/8" Super Pro Headers
  • FAST 102mm LSXR intake
  • 102mm throttle body
  • Tilton clutch
  • 100 octane un-leaded
This would be a bit aggressive for a daily driver, but for someone wanting the most from a stock displacement build, it shows what can be done with a 6.2L package.


That should put it roughly in the 655-670 HP at the engine...or 30-40 more than a OEM ZR1
Holy moley!
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Old 09-13-2011, 10:40 PM   #13
Termin8r27
 
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Quote:
Originally Posted by Jcobra View Post
How long till the motor goes KABOOM!
Why do you say that? It's stock cubes, but all new internals it looks like.
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Old 09-13-2011, 10:58 PM   #14
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would a boost a pump be needed for this kind of power
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750/641 rwhp/rwtq
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