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05-09-2014, 06:08 PM
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#1 |
        
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GPI SS3 vs SS2 cams on LS3s
Both cars have the same mods other than the cam. Headers, cai, underdrive, tuning, etc.
Here is an overlay. The SS2 is a little stronger and hangs with the SS3 good to about 4500 rpms, then the SS3 pulls away from it. Notice the early tq peak on the smaller cam, both have flat tq curves and both carry power past peak hp well, but the ss3 does a better job of that up top. |
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05-09-2014, 08:41 PM
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#2 |
Drives: 13' 1LE Join Date: Apr 2012
Location: Canada
Posts: 2,653
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Great graphs...strong numbers, thanks for sharing.
__________________
13' 1LE
Old setup: TSP 231-236/Tick 660/.105 PR, UDP, SW LT 2'' & HFC, stock NPP & H pipe, VR-DRX CAI, air scoop, Goertz1 manifold, 102mm BBK, 26" Toyo DRs, Forgestars R17x10 & F18x8, rear seat delete, remote Pat G tune Autocal, 7400 limiter, Spec Mini Twin. 91oct. 11.90@122.3, 0-60ft 2.0 / 11.99@123.6, 0-60ft 2.1 DA+819 ...519RWHP SAE Solid roller SBE LS3, FED, LLSR, 91oct, 605rwhp N/A. Tuned by Pat G. Build by me. |
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05-09-2014, 10:37 PM
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#3 |
Drives: 2016 2SS Camaro Join Date: Apr 2014
Location: Central Arkansas
Posts: 514
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I need these numbers!
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05-09-2014, 11:39 PM
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#4 |
 Drives: 2014 2ss/rs Join Date: May 2012
Location: New Braunfels, Texas
Posts: 293
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So, now that we've seen the difference in horsepower and tq. what's the rest of the story?
Is the ss3 just the 'next gen', a further evolution of the vvt technology, or is it harder on parts, requiring more and more supporting mods and walking more from street car to race car? |
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05-10-2014, 01:19 AM
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#5 | |
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Drives: 13' 1LE Join Date: Apr 2012
Location: Canada
Posts: 2,653
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Quote:
__________________
13' 1LE
Old setup: TSP 231-236/Tick 660/.105 PR, UDP, SW LT 2'' & HFC, stock NPP & H pipe, VR-DRX CAI, air scoop, Goertz1 manifold, 102mm BBK, 26" Toyo DRs, Forgestars R17x10 & F18x8, rear seat delete, remote Pat G tune Autocal, 7400 limiter, Spec Mini Twin. 91oct. 11.90@122.3, 0-60ft 2.0 / 11.99@123.6, 0-60ft 2.1 DA+819 ...519RWHP SAE Solid roller SBE LS3, FED, LLSR, 91oct, 605rwhp N/A. Tuned by Pat G. Build by me. |
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05-10-2014, 02:15 AM
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#6 | |
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Search Ninja
Drives: 2010 Black 2SS/RS A6 Join Date: Oct 2009
Location: Central Ark
Posts: 7,183
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Quote:
I think it's in response to all the "I want lowend tq" threads that have been popping up.
__________________
2010 Black 2SS/RS A6
Halltech CF 102 fed GPI modded intake manifold Bo (knows) White ported TB Kooks LT's/ Dynomax VT Pfadted (springs/sways) Dyno tuned by Rhino and GPI I once parallel parked a train. |
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05-10-2014, 07:51 AM
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#7 |
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The SS2 is a 227/241 and the SS3 is a 231/245. I have them cut on different LSA and ICL from time to time depending on what the customer is wanting.
Our SS1 is a 223/237. They all drive good, the ss3 will obviously have a touch more low rpm cam surge than the other 2 but with good tuning its not bad at all. |
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05-10-2014, 12:47 PM
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#8 |
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Drives: 1989 GTA Trans Am Join Date: Jun 2012
Location: Cypress, California
Posts: 610
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Rhino, are those dyno graphs with the convertor locked up? If so how much of a difference to you see between the locked and unlocked converters? I know your 4400 would be a big difference with those in the 3200-3600 range would be smaller.
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05-10-2014, 01:00 PM
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#9 |
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These are on stick cars.
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05-10-2014, 05:28 PM
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#10 |
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Drives: 2010 2 SS Join Date: Oct 2013
Location: Georgia
Posts: 594
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How is the SS3 on valvetrain parts?
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05-10-2014, 08:38 PM
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#11 |
Drives: 2010 camaro ss Join Date: Mar 2013
Location: ft lewis,wa
Posts: 284
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I love my version of the ss2 and it doesn't drive bad at all.
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05-10-2014, 08:47 PM
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#12 |
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The ss3 is fine with stock rockers and stock lifters. We use tooley springs with titanium retainers with our cams.
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06-12-2014, 02:34 PM
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#13 |
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instigator
Drives: 2020 6.2 Trail Boss, 2022 XC90 Join Date: Jan 2010
Location: 72034
Posts: 3,979
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bumping this back so I can find it since I'm looking at ls3 cars again.
__________________
-John S.
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06-12-2014, 03:39 PM
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#14 | |
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Search Ninja
Drives: 2010 Black 2SS/RS A6 Join Date: Oct 2009
Location: Central Ark
Posts: 7,183
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Quote:
 
__________________
2010 Black 2SS/RS A6
Halltech CF 102 fed GPI modded intake manifold Bo (knows) White ported TB Kooks LT's/ Dynomax VT Pfadted (springs/sways) Dyno tuned by Rhino and GPI I once parallel parked a train. |
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