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10-18-2017, 08:43 PM
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#1 |
 Drives: 2013 2lt Join Date: May 2014
Location: Indiana
Posts: 72
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3.93's or 4.10?
I have a '15 SS M6. I believe the stock gears are 3.45. Is there a big difference going from stock to 3.93 or should I go with the 4.10's? I have a vert which is a bit heavier so I think a new set of gears will help a lot.
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10-18-2017, 08:46 PM
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#2 |
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Yes it is a big difference! I have the stock gear in my 1le and think it is perfect IMO 4.10 might be a too little steep
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10-18-2017, 08:59 PM
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#3 |
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Drives: 2013 2lt Join Date: May 2014
Location: Indiana
Posts: 72
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I am pushing about 300lb more that the hard tops. That's why I was thinking 4.10.
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10-18-2017, 10:37 PM
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#4 |
           
Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,020
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4.10s
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Retired wanna be cylinder head porter
2015 2SS 1LE Clutch reservoir, Vararam DRX, ported TB, TSP 2" headers, MGW shifter Totalled: 2010 1SS Wilkes Performance/Eagle 416 shortblock, TSP custom valvetrain, PRC 260 heads, Edelbrock Pro Flo 102, th400 swap, 8" PTC 5500 stall= 535/435 at the wheels tuned Gen 3 Performance and Dyno 10.97 @ 124 full weight in 3100 DA CamaroFest X |
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10-18-2017, 10:43 PM
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#5 |
Drives: Miss Con Ception Join Date: Aug 2016
Location: Chicagoland
Posts: 2,998
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Go with the 4.10. It will still get up to 45MPH in 1st and 4th will top at ~136 (with stock diameter tires).
If you are going for the 1/4 even the 3.91 will require a shift to 4th, so...
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2011 1SS/RS LS3 CGM
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10-19-2017, 09:17 AM
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#6 |
Drives: 2010 SS 2SS M6 Join Date: Aug 2016
Location: Smithsburg, Md.
Posts: 2,445
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weight isn't an issue...gearing should be aligned with expectations and use...which ever you choose will require a tune..I choose the 3.91 only because they are made by AAM(OEM) and that allowed me to do the swap myself...non oem gears will require much more setup/install work...I could have gone with the 4.10's but am very pleased with what I have now...good luck!
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2010 SS 2SS M6 - Tune by RDP dynoSteve!(Woot) - Daily Driver - 150K! - All work by me...
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10-19-2017, 02:26 PM
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#7 |
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The most gear you can get!
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10-19-2017, 06:45 PM
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#8 |
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Drives: 2013 2lt Join Date: May 2014
Location: Indiana
Posts: 72
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Still debating.... I need to see if anyone around here has 4.10's or let me drive a 1Le.
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10-19-2017, 07:12 PM
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#9 |
Drives: 2013 1SS 1LE Join Date: Jun 2016
Location: Ixonia wi
Posts: 1,456
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Go 4.10.... for sure
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2013 1le- Katech 416 short block, TSP custom grind cam, LOD intake, cnc heads by F.ED., Nick William's 102mm T.B., CORN fed, Pedders coilovers. Performance street alingnment by Justin at Lake Country Alignment and dyno tune by Late Model Throttle.
603 h.p. 495 ft lbs tq. |
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10-19-2017, 07:43 PM
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#10 |
 
Drives: 2011 ss 2ss auto camaro Join Date: Mar 2015
Location: mary esther florida
Posts: 385
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I did 3.91 with 26.99 inch tire with 6l80 3200 stall after transmission rebuild stall is a 4000.
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2011 2ss white Camaro mods are texas speed stage 4 cam 235/239 Texas speed 2inch headers no cats magna flow bullet mufflers gpi rod mod ,circle d 4000-4200 5c stall. 3.91 gears vararm cai power wedge.
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10-19-2017, 07:51 PM
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#11 | |
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Drives: 2013 1SS 1LE Join Date: Jun 2016
Location: Ixonia wi
Posts: 1,456
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Quote:
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2013 1le- Katech 416 short block, TSP custom grind cam, LOD intake, cnc heads by F.ED., Nick William's 102mm T.B., CORN fed, Pedders coilovers. Performance street alingnment by Justin at Lake Country Alignment and dyno tune by Late Model Throttle.
603 h.p. 495 ft lbs tq. |
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10-20-2017, 03:25 PM
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#12 |
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hates winter
Drives: Black 2010 2SS/RS LS3 Join Date: Nov 2009
Location: Doylestown, PA
Posts: 136
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In my M6, I went with a 3.91 stock gear from the 1LE and had it installed at the dealer several years ago and haven't had any issues. It woke it up quite a bit prior to the engine build. If you aren't going to add a lot of power mods, it could be worth it to go 4.10s for the acceleration but it will raise your highway cruise revs in 6th gear a bit. First gear will seem much shorter. As it stands now, first can be a handful and I can break the rear loose in 2nd and 3rd above 3k if I hit it too hard. Overall I'm happy with the 3.91 choice. Either way, you can't really go wrong since it will make a big difference in acceleration.
*When I made the choice to use the 3.91 from GM, it was considered the safest bet since they were the 1LE gear. Some folks were experiencing failures of aftermarket gears which could have been due to manufacturer quality issues, very sticky tires, and/or too much power being applied.
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Traded car Aug 2019.
2010 2SS/RS LS3 built October 30, 2009; 416ci/6.8L forged LS3 with 495 RWHP@6k/470 TQ@4.4k; Lunati 235/243 .626"/.634" 114LSA +3; Monster LT-1S twin disc, SLP retro badges, MGW shifter/knob, Hotchkis TVS Stage 1, Pedders Street Z bushings, 3.91 Gear swap, red calipers, Z28 CAI, ZL1 side skirts/rock guards, Kooks 1 7/8" headers, SLP front splitter. Last edited by 96SS10SS; 10-20-2017 at 03:40 PM. |
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10-20-2017, 11:38 PM
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#13 | |
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Drives: Miss Con Ception Join Date: Aug 2016
Location: Chicagoland
Posts: 2,998
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Quote:
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2011 1SS/RS LS3 CGM
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01-04-2018, 05:38 PM
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#14 |
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Donkey Dick Cam Camaro
Drives: 2010 2SS/RS LS3 M6 Join Date: Oct 2009
Location: Los Angeles, CA
Posts: 1,998
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4.10 on a regular LS3 SS might be a little too steep of a 1st gear. Good for burning rubber if launching hard. The M10 has a lower (higher numerically) 1st gear. This alone is the main reason that non 1LE LS3 owners feel a major difference when going to 3.91s
If anything id be willing to bet that 4.10's might work well on a 1LE with the MM6 trans.
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