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10-17-2016, 12:35 AM
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#1 |
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USA-1
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Will 3.91 gears on L99 hurt me if I get cammed?
Hey guys,
So I'm looking at getting 3.91 gears for my next mod and I'm wondering if in the future I go with say a GPI SS1 cam will I have any drivability issues? Car is a 2010 L99 with mods in sig.
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"A Camaro in the garage is safe, but that's not what Camaros are built for..."
R2C CAI / Apex Scoop / VMAX Ported TB / Speed Engineering LTHs / X-pipe / GPI port/rod-mod intake manifold / Circle D 3200 278mm Converter / 3.91 gears / DynoSteve tuned / 1LE Shocks/Struts/Toe Links / ZL1 Rear Sway Bar / Z/28 Trailing arms / Prothane Radius Arm & Subframe Bushings / BMR UCA Bracket, Steering rack bushing / B&M Tranny Cooler / RX Catch Can / Jannetty Tranny Dipstick / 2012+ Heater Hose / 2013+ Rearview Mirror / Fuel rail flip / Drake shifter / Oil Cooler Delete |
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10-17-2016, 06:55 AM
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#2 |
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AKA "Beefcake"
Drives: 2023 ZL1 Sharkskin Join Date: Oct 2009
Location: Indy
Posts: 8,533
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Why not just go with 3.73 gears instead if you are worried about launching hard (or your first couple of shift points)?
Or have you found a great deal on some 3.91's that's making it hard to pass up. 
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10-17-2016, 08:20 AM
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#3 |
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GPI SS1 is also what i'm looking at. I have the 3.91s right now and I love them.
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2011 L99
CAI, SE LTs, 3.91 gears 2013 L99 3.91 gears, OBX LT, CAI, NO 100 shot, BMR Toe Rods, trailing arms. SOLD |
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10-17-2016, 08:27 AM
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#4 |
          Drives: 2SS/RS L99 BLACK Join Date: Apr 2010
Location: Franklin , MA
Posts: 6,696
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418 strocker with much bigger cam, 3600 stall and 391's are perfect for my daily driver.
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10-17-2016, 12:10 PM
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#5 |
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USA-1
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Reason for going with 3.91's is because they are cheaper and generally everyone who has them loves them!
__________________
"A Camaro in the garage is safe, but that's not what Camaros are built for..."
R2C CAI / Apex Scoop / VMAX Ported TB / Speed Engineering LTHs / X-pipe / GPI port/rod-mod intake manifold / Circle D 3200 278mm Converter / 3.91 gears / DynoSteve tuned / 1LE Shocks/Struts/Toe Links / ZL1 Rear Sway Bar / Z/28 Trailing arms / Prothane Radius Arm & Subframe Bushings / BMR UCA Bracket, Steering rack bushing / B&M Tranny Cooler / RX Catch Can / Jannetty Tranny Dipstick / 2012+ Heater Hose / 2013+ Rearview Mirror / Fuel rail flip / Drake shifter / Oil Cooler Delete |
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10-17-2016, 02:47 PM
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#6 | |
 
Drives: 11' RJT 2SS/RS L99 Join Date: Jun 2014
Location: Chicago
Posts: 298
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Quote:
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GPI VVT3 Cam
Circle D 3800 Single Disc Stall 1LE 3.91s Stainless Power Headers w/cats Fluidampr 25% UDP Cold Air Inductions Intake Bo White Ported Throttle Body ADM Trans Cooler Some BMR Goodies |
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10-17-2016, 06:17 PM
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#7 |
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I really like having the 3.91's in my L99 car. Will be doing a GPI cam, heads, converter and rod-mod intake after the holidays.
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2014 Camaro SS L99, Ashen Grey w/Black Leather - Build thread - http://www.camaro5.com/forums/showthread.php?t=491561
Mods - GPI 416 w/Custom Grind Cam, Ported Heads & Tuned by Ben, Holley Dominator ECU, Mag Heartbeat, ZL1 Fuel Pump & DSX Aux Pump, NW 103 TB, FIC 1650's, Alky Meth, Circle D 3600 Triple Disc, Kooks Headers, Viking Coil Overs & all the BMR Goodies in the rear, Zl1 3.23 Diff, DSS Axles, Gulfcoast Driveshaft, Hendrix Offset Diff Bushings, AFE Solid Subframe Bushings, 875HP/843TQ 5FDP |
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10-17-2016, 07:09 PM
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#8 |
Drives: GMC Sierra AT4 Join Date: Jul 2013
Location: Hanover, PA
Posts: 3,292
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Who is everyone getting their 3.91's from, or who has pretty good pricing?
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2020 GMC Sierra AT4 6.2L
WTB - 2010 Camaro 1SS or 2SS, Aqua Blue Metallic, A6 |
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10-18-2016, 07:38 AM
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#9 |
Drives: Black L99 2SS/RS Join Date: Mar 2014
Location: San Antonio, TX
Posts: 1,862
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https://www.google.com/?gws_rd=ssl#q...ears+camaro+ss
Not being a smarta** either. Everyone has them pretty much the same price, the real question is... who is installing these things for people? Surprisingly, quite a few folks around here went through the dealer to have it done. |
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10-18-2016, 09:19 AM
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#10 |
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Writer
Drives: 2010 SS / 1967 Camaro Join Date: May 2009
Location: Chicago, IL
Posts: 7,216
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no complaints here.
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PROJECT HEAVY CHEVY
Camaro Now: Mods for the Masses Part I | Part II 13.15@106 1.95 | 100% Stock 12.37@112 1.85 | + Kooks Headers/Cats + 20" 555R + CAI + BW TB + UDP + Tune 12.06@113 1.70 | + CD 3200 + 18" NT05R + RCR Intake + NE OTR + GPI Tune 11.84@115 1.59 | + 3.91s + Race Star 17x7 Fronts 10.90@125 1.47 | + GPI VVT Cam + BW Ported Heads + CD 3800 |
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10-18-2016, 10:26 AM
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#11 |
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Went through SDPC to purchase/install mine. Did a great job
__________________
2011 L99
CAI, SE LTs, 3.91 gears 2013 L99 3.91 gears, OBX LT, CAI, NO 100 shot, BMR Toe Rods, trailing arms. SOLD |
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10-18-2016, 11:00 AM
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#12 |
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USA-1
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How is everyone doing with traction? I fear that I'll be spinning all the time.
__________________
"A Camaro in the garage is safe, but that's not what Camaros are built for..."
R2C CAI / Apex Scoop / VMAX Ported TB / Speed Engineering LTHs / X-pipe / GPI port/rod-mod intake manifold / Circle D 3200 278mm Converter / 3.91 gears / DynoSteve tuned / 1LE Shocks/Struts/Toe Links / ZL1 Rear Sway Bar / Z/28 Trailing arms / Prothane Radius Arm & Subframe Bushings / BMR UCA Bracket, Steering rack bushing / B&M Tranny Cooler / RX Catch Can / Jannetty Tranny Dipstick / 2012+ Heater Hose / 2013+ Rearview Mirror / Fuel rail flip / Drake shifter / Oil Cooler Delete |
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10-18-2016, 05:11 PM
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#13 | |
Drives: Miss Con Ception Join Date: Aug 2016
Location: Chicagoland
Posts: 2,998
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10-18-2016, 06:24 PM
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#14 | |
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Account Suspended
Drives: 2011 2SS/ RS INFERNO ORANGE L99 Join Date: Dec 2012
Location: Alliston Ontario Canada
Posts: 9,057
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