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Gear Ratio Upgrade 2002 Posted By: Jojo86 On: 12-17-2008 @ 12:00:11 Reply | Edit Hey, I bought a 4.10:1 gear ratio for a good price and was wondering if it is worth installing or not..I dont do much racing but it would be awesome to feel the extra torque. I believe the stock camaro's have a 3.23 ratio. Let me know your thoughts because not sure if its worht it now.. thanks Posted By: cochran191 On: 12-17-2008 @ 13:57:08 Reply | Top | Edit It depends on the model camaro (base V6, Z28, etc) and even then there are different ratios. Some came with 2:73's, 3.23's, 3.42's, and some with 3.73's. So depending on what your specific car came with will make it worth it or not. Check your RPO codes out and see what it says. Then base your decision off of that. -- 99 Black Z-28 "Stripper" M6, SS Ram Air Hood, Borla Cat-Back, J&M Strut Tower Brace, B&M Ripper Shifter, Whisper Lid, Tint (50% front, 35% rear) Pics @ http://www.fquick.com/3p0ch "That's like attacking a Rhinoceros with a fork, at the end of the day you have a bent fork and a pissed off Rhinoceros" [ Edited on 12/17/2008 @ 13:58:06 ] Posted By: Jojo86 On: 12-17-2008 @ 14:43:48 Reply | Top | Edit it's a Z28, V8, 5.7L engine Posted By: cochran191 On: 12-17-2008 @ 15:50:34 Reply | Top | Edit Check your RPO sticker on the door and see which of these codes is on there: GU1 : AXLE REAR, 2.41 RATIO GU2 : AXLE REAR, 2.73 RATIO GU4 : AXLE REAR, 3.08 RATIO GU5 : AXLE REAR, 3.23 RATIO GU6 : AXLE REAR, 3.42 RATIO GV1 : AXLE REAR, 2.73 RATIO GV2 : AXLE REAR, 5.83 RATIO GV3 : AXLE REAR, 3.08 RATIO GV4 : AXLE REAR, 3.36 RATIO GV5 : AXLE REAR, 3.55 RATIO GV7 : AXLE REAR, 4.11 RATIO GV8 : AXLE REAR, 2.72 RATIO GW2 : AXLE REAR, 2.56 RATIO GW3 : AXLE REAR, 2.56 RATIO GW4 : AXLE REAR, 3.31 RATIO GW5 : AXLE REAR, 2.73 RATIO GW6 : AXLE REAR, 3.27 RATIO GW8 : AXLE REAR, 4.10 RATIO GW9 : AXLE REAR, 2.93 RATIO (DUP WITH GU3) Whichever one it has on there is the gear ratio you have. -- 99 Black Z-28 "Stripper" M6, SS Ram Air Hood, Borla Cat-Back, J&M Strut Tower Brace, B&M Ripper Shifter, Whisper Lid, Tint (50% front, 35% rear) Pics @ http://www.fquick.com/3p0ch "That's like attacking a Rhinoceros with a fork, at the end of the day you have a bent fork and a pissed off Rhinoceros" Posted By: mpellafbody On: 12-26-2008 @ 03:34:40 Reply | Top | Edit what the fuck did a 2.41 ratio rear gear go in? damn thats small! -- 98 z28 m6 blue/green 
lss shifter, skip shift delete, tsp rumbler,competition engineering sfc's,3.90 gears 93 z71 4x4 m5 tbi 350 stepside 
Posted By: cochran191 On: 12-28-2008 @ 08:45:04 Reply | Top | Edit Some late 90's early 2000's Silverado's if I am not mistaken. It may have gone in some other stuff too. What about the 5.83's though, why would you want that? -- 99 Black Z-28 "Stripper" M6, SS Ram Air Hood, Borla Cat-Back, J&M Strut Tower Brace, B&M Ripper Shifter, Whisper Lid, Tint (50% front, 35% rear) Pics @ http://www.fquick.com/3p0ch "That's like attacking a Rhinoceros with a fork, at the end of the day you have a bent fork and a pissed off Rhinoceros" Posted By: purplebird94 On: 12-30-2008 @ 21:36:12 Reply | Top | Edit 5.83 looks to be a blazer code so maybe a front axle ratio? i dunno i also see gv2 as a 3.02 with a corvette so i have no idea --  Posted By: badSol On: 01-03-2009 @ 19:00:23 Reply | Top | Edit Front and rear axle ratios are the same. If it went in a Blazer, it would have had to have been an old full size, I don't know of anything numerically lower than a 3.08 in an S-series Blazer. -- 
1999 Trans Am M6, FRA, K&N, Skip Shift bypass, SLP Radiator, LS1 Motorsports lid, LS1 Motorsports Smooth Bellows Flowtech Long Tube Headers, Lane's Custom True Duals: Dr Gas X-Pipe, 12" Dynomax Bullets, Hotchkis STB, Pro 5.0 Textralia OZ700 clutch, billet steel flywheel, 334.6 rwhp 345.6 rwtq, 2001 Trans Am A4, SLP LM2 - RIP Posted By: Z28camaroLS1 On: 01-17-2009 @ 21:02:01 Reply | Top | Edit you can figure it up by speed, rpm, and overall tire diameter, copy and paste. http://www.cprparts.com/ci_calc.html -- LoveFastCars Posted By: Z28camaroLS1 On: 01-17-2009 @ 21:02:55 Reply | Top | Edit sorry this one, http://www.cprparts.com/HPcalculator.html -- Kenneth A. Pitts Posted By: HeavyV On: 03-01-2009 @ 03:54:39 Reply | Top | Edit I believe you can only go so big without changing the carrier. I have 2.73 in my Trans Am and could only go to a 3.42 without going to a bigger carrier. Posted By: salemetro On: 03-10-2009 @ 14:34:54 Reply | Top | Edit I'm running 4:10s in my '96 3.8 bird while I'm building the turbo'd 427 for it...and it definitely makes the car more fun. Highway RPMs aren't too bad either with the 295/40/18 tires in the rear. Just remember that you'll need to re-program the ECU for proper Speedo calibration. And if your vehice is an auto, it will throw the shift-points all out of whack without calibrating it. I use HPTuners and it works great...but add the price of that to your gear swap (roughly $650.00)....or maybe search for a local shop that can do it for you. Posted By: fasteddie94 On: 03-10-2009 @ 21:06:06 Reply | Top | Edit I think you can still go 4.10 on a 2 series carrier. I know for a fact you can run 3.73. Just be mindful of what you have right now. The 4.10s may be for the wrong carrier and of no use to you anyway. Another option for tuning is a used hypertech. They are handy for cheap speedo calibration, swapping thermostats, and changing shift points/firmness. Just don't bother paying full price or using the "power" tune. -- 
1999 NBM T/A A4 best et 12.75 @ 109 h/c and converter coming soon.
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