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03-14-2018, 11:15 AM
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#1 | |
      
Drives: 2011 2SS/RS & 2017 1SS Join Date: Apr 2011
Location: Maryland
Posts: 1,960
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GPI Heads and Cam Install
 Decided to take the next step in my NA build! See what she do! Car has already been 10.67@126mph with Bolt Ons, Circle D 4C Converter, and GPI Ported Heads. Special thank you to my main man Ryan Stevens (Rhino79) of Gwatney Performance Innovation (GPI) for all his help with Parts and support! Also big S/O to Brett (Pray) for always being helpful with install tips and such!!Install wasn't as bad as I thought it would be. I do think Gen V LT1 is more challenging than LS3 cam installs were in 5th Gens for sure. Added: GPI's new LT1 NA camshaft ATI 10% Balancer Johnson Lifters BTR .660 Dual Valvesprings GPI Hardened Pushrods Flycutted the Pistons as well Car drives pretty much like stock, but now pulls like a freight train on just Pump 93!! NPP Stealth Mode is perfect, you barely hear the hit. Below video is NPP Track mode. 
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2011 Chevrolet Camaro 2SS/RS L99 (1 of 782)
10.78 @125mph ALL MOTOR SBE Built/Tuned by Me 2017 Chevrolet Camaro 1SS Auto 9.29 @144.57mph ALL MOTOR SBE #TEAMGPI Gwatney Performance Innovation |
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03-14-2018, 01:12 PM
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#2 |
 Drives: 2016 2SS A8 Join Date: Feb 2016
Location: Conway, Arkansas
Posts: 217
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How much did you have to fly cut?
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16 Summit White 2SS-MRC-NPP-A8 :: PrayPorted IM - LT5 TB - Mishimoto Catch Can - RotorFab - E85 - TSP 2" LongTubes - Speed Engineering X/Mid Pipe
DIY Hpt Tune - DR - 1.75-60' - 7.47@95 - 11.56@120 with +2676DA |
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03-14-2018, 01:14 PM
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#3 | |
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Drives: 2011 2SS/RS & 2017 1SS Join Date: Apr 2011
Location: Maryland
Posts: 1,960
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Quote:
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2011 Chevrolet Camaro 2SS/RS L99 (1 of 782)
10.78 @125mph ALL MOTOR SBE Built/Tuned by Me 2017 Chevrolet Camaro 1SS Auto 9.29 @144.57mph ALL MOTOR SBE #TEAMGPI Gwatney Performance Innovation |
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03-14-2018, 01:19 PM
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#4 |
    
Drives: 14 Silverado LTZ Z71, 16 Camaro SS Join Date: Nov 2009
Location: Jackson, Michigan
Posts: 4,407
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Nice!
What are the cam specs? Well as close as you can say I’m sure it’s confidential lol |
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03-14-2018, 01:31 PM
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#5 | |
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Drives: 2011 2SS/RS & 2017 1SS Join Date: Apr 2011
Location: Maryland
Posts: 1,960
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Quote:
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2011 Chevrolet Camaro 2SS/RS L99 (1 of 782)
10.78 @125mph ALL MOTOR SBE Built/Tuned by Me 2017 Chevrolet Camaro 1SS Auto 9.29 @144.57mph ALL MOTOR SBE #TEAMGPI Gwatney Performance Innovation |
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03-14-2018, 01:57 PM
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#6 |
Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 6,800
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Very nice!
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2016 NFG 1SS A8
Options-2SS Leather/NPP Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA |
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03-14-2018, 02:20 PM
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#7 |
 
Drives: 2017 1SS A8 Nightfall Gray Join Date: Feb 2017
Location: Maryland
Posts: 331
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Oh no Dan I'm not gonna cam my 6gen uhuh I see how long that lasted damn it young man...lol let me know when n where so I can watch the quest for 9s
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03-14-2018, 02:23 PM
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#8 | ||
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Drives: 2011 2SS/RS & 2017 1SS Join Date: Apr 2011
Location: Maryland
Posts: 1,960
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Quote:
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2011 Chevrolet Camaro 2SS/RS L99 (1 of 782)
10.78 @125mph ALL MOTOR SBE Built/Tuned by Me 2017 Chevrolet Camaro 1SS Auto 9.29 @144.57mph ALL MOTOR SBE #TEAMGPI Gwatney Performance Innovation |
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03-14-2018, 04:30 PM
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#9 |
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Drives: 2016 Camaro 2SS Summit White Join Date: May 2016
Location: Maryland
Posts: 260
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Your car is ridiculous man.
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03-14-2018, 10:51 PM
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#10 |
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Drives: 2017 M6 NFG Join Date: Jul 2016
Location: Los Angeles
Posts: 214
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Sounds so good! Good luck at the track! Are you planning to dyno?
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03-15-2018, 07:58 AM
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#11 |
Drives: 2017 SS 1LE Mosiac Black Join Date: Nov 2016
Location: DFW, TX
Posts: 1,132
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I assume fly cutting pistons is done without pulling the slugs. How is that done, and is the material removed too little to effect the piston's balance?
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Frankenstein Engineering Dynamics Stage 1 H/C/E85 536HP/488TQ |
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03-15-2018, 08:19 AM
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#12 |
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Drives: 2011 2SS/RS & 2017 1SS Join Date: Apr 2011
Location: Maryland
Posts: 1,960
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To flycut I've always used the Lindy Flycutting tool. Same tool I've used on a cpl 5th Gens as well. 8MM Guide Rod thru valve of head and a cutter on the end. Use an electric drill to do it. Pretty simple, but I've done it about 6 times or so throughout the years.
Comparing to LS3 pistons, the material on these LT1 pistons seems more rough plus the stock dome. Took longer to just make a simple .040ish relief.
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2011 Chevrolet Camaro 2SS/RS L99 (1 of 782)
10.78 @125mph ALL MOTOR SBE Built/Tuned by Me 2017 Chevrolet Camaro 1SS Auto 9.29 @144.57mph ALL MOTOR SBE #TEAMGPI Gwatney Performance Innovation |
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03-15-2018, 09:14 AM
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#13 | |
Drives: 2016 Camaro 2SS Join Date: Mar 2016
Location: Suffolk Long Island
Posts: 954
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2016 Hyper Blue 2SS A8,NPP,Moonroof
Pray ported factory intake manifold Ported TB Rotofab ARH 1 7/8 longtubes hi flow cats AFM deleted E85 11.0@124.9 11.65@118.8 pump gas,stock tune/exhaust New combo: Pray Performance Heads/cam MSD intake manifold and Circle D 3C 554/491 on E85 all work & tuning done by Pray |
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03-15-2018, 09:54 AM
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#14 |
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Drives: 2016 CAMARO 2SS Join Date: Apr 2017
Location: ATX
Posts: 272
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NAAAAAAAICE!!!
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2016 SS A8 STOCK 12.35@113.6 DA 1956
PRAY E85 TUNE,PRAY PORTED IM/TB,ROTOFAB DRY, DRAG PACK 11.33@121.8 DA 1248 PRAY PORTED MSD, 2" TSP LT's 11.38@122.4 DA 3664 GFORCE DRIVESHAFT,LME 174 T-STAT,ATI UDP up next... |
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