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04-18-2024, 04:42 PM
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#1 |
 
Drives: Chevrolet Camaro SS Join Date: Jul 2021
Location: McKinney, TX
Posts: 270
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Re-gearing
So, if you swap from stock 3.45 to 3.91 in an M6 car, is that going to throw off the speedo? Wondering if so, how much for considering having it corrected.
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04-18-2024, 04:55 PM
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#2 |
       Drives: 2010 Camaro SS2,L99, LSA SC Join Date: Aug 2017
Location: Huntsville, AL
Posts: 2,157
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04-18-2024, 04:59 PM
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#3 |
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Drives: Chevrolet Camaro SS Join Date: Jul 2021
Location: McKinney, TX
Posts: 270
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Uggg... Wasn't thinking about it. Now, I guess I need to add that to the bill $$$.
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04-19-2024, 07:54 AM
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#4 |
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Anthony S
Drives: 2011 chevrolet camaro 2ss/rs Join Date: Apr 2021
Location: Chiefland, FL
Posts: 847
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When I had my avalanche tuned, I told them the wrong gear ratio. I thought I had the 345 gears, turns out I had the 410 gears... Speedo was off by 10mph. Drove me crazy.
If you have a tuner who already tunes your stuff its fairly easy to flash a small change like that into the tune. They will probably hook you up for some beer money. Or if you don't have a local tuner, HP tuners credit is $100 plus the tuners fee for going in and making the change.
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https://www.camaro5.com/forums/showthread.php?t=600181 Mods: Texas Speed 2 inch headers, high flow cats, and X-pipe. Custom mid-pipe, Borla Xr1 mufflers. Torqstorm Supercharger, 3.1" pulley, ZL1 fuel pump. MGW Shifter, Mcleod RST clutch, Tick master cylinder and Tick Billet bushing reinforced slave cylinder. DSS One-piece 3.5" Driveshaft, Metco Driveshaft safety loop, BCRacing Coilovers. BMR Poly Diff bushings, Poly Rear cradle bushings, Sub-frame connectors, Lower control arms, camber arms, and toe links. |
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04-19-2024, 09:13 AM
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#5 |
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Drives: Chevrolet Camaro SS Join Date: Jul 2021
Location: McKinney, TX
Posts: 270
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Yep. I pinged the shop that previously tuned the car. They said no problem, they wouldn't charge.
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04-21-2024, 02:57 PM
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#6 | |
 Drives: 2010 Chevy Camaro 2SS coupe (MT) Join Date: Jan 2024
Location: Sacramento, CA - USA
Posts: 44
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What software for tuning done?
Quote:
I have yet to see one that doesn’t allow one to recalibrate for different gearing and tire/wheel combinations. Also, you can simply adjust only THOSE parameters and leave everything else as is, so you’re still basically stock ECU/ECM wise, only with a recalibration that doesn’t affect anything engine management wise. I recently went with HP Tuners MPVI 3, and I love it; it’s just very complicated for some to learn, if you’re not a person who will take time to study the software and other car-related tech and computer tech stuff. |
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04-30-2024, 05:43 PM
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#7 |
 Drives: 2012 SS Join Date: Feb 2016
Location: Lubbock Texas
Posts: 122
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Most tuners will do minor updates for free of charge if they have already tuned your car. Or most all handheld tuners have the option to change the ratio for the speedometer.
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2012 2SS/RS 6speed, Howards asa cam on 113lsa Stainless works LT's, NPP exhaust, Z28 Cai, 3.91 gears. Tuned by Blue Thunder 2 racing Lubbock Texas.
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