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09-17-2015, 08:22 PM
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#1 |
 Drives: 2015 Yellow 2SS LT Z28 cai tune Join Date: Aug 2015
Location: Tallmadge,Ohio
Posts: 208
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Where is the torque?
2015 l99 s mode in 4th gear at 40 mph and I floor it.... (it stays in 4th) and it takes a long time to get 60 mph. I have felt more torque in my ex wifes grandmas 87 4.3 astro van!! I know this 6.2 has more than this in it What gives??
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09-17-2015, 08:28 PM
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#2 |
  Drives: 2015 Camaro SS 1LE, 2001 Camaro SS Join Date: Jun 2015
Location: Miami
Posts: 836
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Im not understanding what youre expecting. 4th gear at 40mph doesn't put you in the engines power band...
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2017 GMC Canyon All Terrain- daily driver/dirt bike hauler
2015 Camaro SS 1LE- sold 2001 Camaro SS SOM M6- sold 1999 Firebird Formula A4- sold |
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09-17-2015, 08:31 PM
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#3 |
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Drives: 2015 Yellow 2SS LT Z28 cai tune Join Date: Aug 2015
Location: Tallmadge,Ohio
Posts: 208
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I just expected more down low
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09-17-2015, 08:34 PM
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#4 |
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Drives: 2015 2SS/RS/1LE Join Date: Feb 2015
Location: Tucson
Posts: 866
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4th gear at 40mph puts you way out of the torque curve. This isn't a diesel. Torque doesn't really kick in until 2500+
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2015 SS/RS/1LE
HSA delete, VMAX throttle body, CAI inc. Intake, PRC255 heads, BTR 660 springs, BTR cryo-treated rockers, PAT G 232/240 .654/.626 110+2, johnson 2110's, Manton 502 pushrods, C5R, Melling high volume/high pressure, Powerbond 25% underdrive pulley, Proform covers, Kooks stepped headers, catless mids, Doug Thorley exhaust. 512rwhp, 446rwtq on a mustang dyno, tuned by Cunningham motorsports.  |
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09-17-2015, 08:44 PM
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#5 |
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Todd
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ls3's need to be revved out. if you desire that low end torque you'll need a set of turbos.
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09-17-2015, 08:49 PM
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#6 |
 
Drives: 2011 SS LS3 Join Date: Nov 2014
Location: Killen,Al
Posts: 42
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His car is a L99, now im not an auto guy but shouldnt it downshift when he
'floors it"..to put his revs in the power band?
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2011 LS3, 2SS/RS. Stainless X-pipe, SLP skip shift eliminator, RotoFab CAI, Super 44 Axleback.
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09-17-2015, 08:57 PM
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#7 |
      
Drives: 13' 1LE Join Date: Apr 2012
Location: Canada
Posts: 2,642
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It should really downshift...unless OP is not flooring it properly. But yeah 4-mph in 4th..more like 1st gear haha.
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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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09-17-2015, 09:01 PM
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#8 |
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Drives: 2011 SS LS3 Join Date: Nov 2014
Location: Killen,Al
Posts: 42
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So the question is ,Whats causing the OPs car to hold 4th gear when he floors it?...Do you have it in "manual mode" or do you have paddles that allow you to hold a gear....If so...feel free to slap the down paddle and find 1st or 2nd gear.
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2011 LS3, 2SS/RS. Stainless X-pipe, SLP skip shift eliminator, RotoFab CAI, Super 44 Axleback.
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09-17-2015, 09:05 PM
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#9 |
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Drives: 2015 Yellow 2SS LT Z28 cai tune Join Date: Aug 2015
Location: Tallmadge,Ohio
Posts: 208
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its like the motor is being held back. torque management?
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09-17-2015, 09:29 PM
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#10 |
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Montani Semper Liberi
Drives: 2011 Black 2SS/RS w/ IOM stripes Join Date: Feb 2010
Location: Masontown, WV
Posts: 4,841
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suspect there might be some AFM at play here, when I tuned mine it became a much more aggressive car, not to mention the trans tune made the shifts more smooth. used to get a lot of herky jerky shifting and it lacked something. pretty happy with it now! might check out the fuse pull procedure if you haven't already
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 Stainless Works 1 7/8 Long Tude Headers, Stainless Works High Flow Cats, Stainless Works Retro Chambered Catback, Z/28 Air Intake, RDP Tuned, FR41 Chrome Rims, 1100W stereo, 35% Tint |
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09-17-2015, 10:24 PM
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#11 | ||
 
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Quote:
Quote:
~3k rpm is where it starts to get good |
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09-18-2015, 12:34 AM
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#12 |
   
Drives: 2017 2SS M6 Join Date: Jun 2013
Location: WNY
Posts: 7,070
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Autos can be finicky like that . Every auto iv had (several) have done it. Dont worry about it unless it happens a lot. Usually does it when its cold.
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real ZL1 wheels and brakes, 285/305 Michelin Pilot Super Sports, Pray ported Intake manifold, Soler Throttle Body, Rotofab intake, EFI Tuning Flex fuel kit, full American Racing Headers Exhaust, 1 7/8" w/ cats H pipe and mufflers. Full 1LE suspension, with BMR adjustable sway bars and links, GM aluminum cradle bushings, Hurst shifter with lighter reverse spring, TWM shifter knob, Tick level 1 transmission. I should have bought a ZL1
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09-18-2015, 01:26 AM
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#13 |
Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,019
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Astrovan 4.3 is done at 4500rpm, 6.2 doesnt really start to sing until 3500.
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09-18-2015, 01:26 AM
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#14 |
 
Drives: 69 SS396 chevelle 2010 2ssrs camaro Join Date: Oct 2009
Location: Alberta
Posts: 71
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It will do 160 MPH in fourth. Down shift!
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