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V8 and V6 Transmissions / Driveline (6L80 / 6L50 / TR6060 / AY6) Driveshafts | Differentials | Gears | Rearends | Clutch | Shifters

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Old 08-16-2009, 02:51 PM   #1
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Gear Swap?

Anyone considering a rear gear swap? I would think something around 3.90's would really wake it up and make 6th gear actually usable.
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Old 08-16-2009, 03:13 PM   #2
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4.10s

I have a 2SS, 6sp manual but I have not changed gears yet. I am looking for a good set of gears for the 2010 that won't whine - be careful of that, design is everything on the gear angle.
However, in my 4th gen SS 6sp manual I swapped in a set of 4.10s. This made the car very friendly to drive in town, the 1/4 mile was reduced by .2 sec, and the mileage on the highway only dropped 1 mpg. RPMs went from ~2,000 at 90mph to 2,000 at 75mph.
When dragging there certainly is quicker shifting required with the 4.10s, but, you're dragging so who cares.
These are Richmond gears and they whine a small amount (I've re-set them about 4 times to get rid of the whine, and it is less, but not totally gone away) - but the rear end housing is so small in the 4th gen I believe there is no alternative to keep the strength required and get more teeth in the housing.
The standard rear gear is a small amount lower in the 2010 but the tires (I got the 21") are way taller - at least 2", the over drive is not quite as steep in the 2010, so in the end the RPMs will probably be real close to what they are in my 4th gen.
Good luck.
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Old 08-16-2009, 03:16 PM   #3
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4.10's would be good. Perhaps a little more aggressive than I would want.
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Old 08-16-2009, 03:17 PM   #4
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I can't wait for some nice 3.73's to come out. Best of both worlds
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Old 08-16-2009, 03:25 PM   #5
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I also had 4.10's in my 4th gen and loved them. These 5th gens could use a lower gear to get them rolling a little faster.
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Old 08-16-2009, 03:47 PM   #6
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Everyone wants gears so far and yet nobody has released any. If I made gears for a living i would get on it and fast. I don't even have my car yet, its en route but I probably looking for 3.90's also from what i've read.
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Old 08-16-2009, 04:32 PM   #7
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3.90s or 4.10s would be perfect with the SS. The 6-sp makes it a natural! The Challenger gets a 3.92:1 axle and it works out very well.
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Old 08-16-2009, 04:37 PM   #8
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I don't know much about gears and at first I figured this car would have plenty of power for me coming from a civic si, but everyone has mentioned gears. I originally figured 3.73's would be ok but few people mentioned it better to take to steps up as minimum or your wasting your time. So I definitely hoping for 3.90's.
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Old 08-17-2009, 08:21 AM   #9
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Originally Posted by jpsuperman81 View Post
I don't know much about gears and at first I figured this car would have plenty of power for me coming from a civic si, but everyone has mentioned gears. I originally figured 3.73's would be ok but few people mentioned it better to take to steps up as minimum or your wasting your time. So I definitely hoping for 3.90's.
Well from what I'm hearing, 6th is pretty useless unless you're cruising on the highway at 75mph or so. That plus the 20 inch wheels means the Camaro could take at least a 3.90 and still do very well on the highway. Probably loose 1mpg, but you'll pick quite a bit in acceleration.
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Old 08-17-2009, 09:44 AM   #10
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I Had 4.10's in my 4th Gen, used the Hyper-tech for the speedo. I was very happy with the setup and did not wish they were a higher or lower ratio.
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Old 08-17-2009, 11:06 AM   #11
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based on power to weight & the touque curve 4.10's on a M6. If you wanted a strip car some 4.30's & 20" drag radials would work well
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Old 08-17-2009, 11:15 AM   #12
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Will 4.10's keep everyday driveability in tact? This car will never see the strip.
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Old 08-18-2009, 02:51 PM   #13
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I spoke to Ron at Vengeance Racing on Friday about gears. He told me there is a gear swap coming in about 2 months. He said it would require a complete differential swap. Due to the unique design, it is not as simple as swapping a single ring and pinion. This would raise the cost significantly to somewhere above $2000.

I am not an expert. This is what I was told. Ron is very active here and is an authorized dealer for Pedders, Pfadt, magnusson, procharger, etc. He has always given good advice and has steered me away from buying parts I didn't need. Just thought I would put this out there.
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Old 08-18-2009, 03:01 PM   #14
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for 2000 bucks i think I will just put some 15" tires on when I need to go fast...LOL That would be the most expensive gear swap in the world. Surelly someonw will come out with something better than that
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Old 08-18-2009, 07:14 PM   #15
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Quote:
Originally Posted by usmcjlp View Post
I spoke to Ron at Vengeance Racing on Friday about gears. He told me there is a gear swap coming in about 2 months. He said it would require a complete differential swap. Due to the unique design, it is not as simple as swapping a single ring and pinion. This would raise the cost significantly to somewhere above $2000.

I am not an expert. This is what I was told. Ron is very active here and is an authorized dealer for Pedders, Pfadt, magnusson, procharger, etc. He has always given good advice and has steered me away from buying parts I didn't need. Just thought I would put this out there.
thanks for the heads up.

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for 2000 bucks i think I will just put some 15" tires on when I need to go fast...LOL That would be the most expensive gear swap in the world. Surelly someonw will come out with something better than that

let me know if you can get some 15" wheels on the camaro.




18's barely fit this thing.
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Old 08-18-2009, 07:20 PM   #16
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I hope someone does figure this out, $2000 is not a viable option. I hope there is a more classic way to do it especially with everyone screaming for gears for these cars.
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Old 08-18-2009, 07:48 PM   #17
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Originally Posted by usmcjlp View Post
I spoke to Ron at Vengeance Racing on Friday about gears. He told me there is a gear swap coming in about 2 months. He said it would require a complete differential swap. Due to the unique design, it is not as simple as swapping a single ring and pinion. This would raise the cost significantly to somewhere above $2000.

I am not an expert. This is what I was told. Ron is very active here and is an authorized dealer for Pedders, Pfadt, magnusson, procharger, etc. He has always given good advice and has steered me away from buying parts I didn't need. Just thought I would put this out there.
This is correct. I already checked the price from GM for a new differential and they list for $1,600.00 and something. My engine builder told me that every one who has tried to open one up and replace the ring & pinion have tried and failed. I hope the aftermarket comes out with a better and less expensive unit. I think I read some where on the forum that ADM will be offering something soon.
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Old 08-18-2009, 08:07 PM   #18
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Quote:
Originally Posted by usmcjlp View Post
I spoke to Ron at Vengeance Racing on Friday about gears. He told me there is a gear swap coming in about 2 months. He said it would require a complete differential swap. Due to the unique design, it is not as simple as swapping a single ring and pinion. This would raise the cost significantly to somewhere above $2000.
I'm sure he's a good guy, but nobody is going to pay $2000+ for the same exact diff with a different final drive ratio. Someone will come out with a simple gear & pinion swap. Lots more people would buy that.
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Old 08-19-2009, 11:53 AM   #19
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I would definitely hope so. I know that would put it at too high a price point for me. Hopefully, they'll figure something out.

The way it was explained to me is that the Camaro is the inverse of a traditional setup and this is causing issues. Left hand versus right hand setup, to be honest I am not smart enough on differentials to speak to technical details.

Bottom line, I think if it was an easy swap we would have seen something by now.
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Old 08-19-2009, 03:53 PM   #20
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Well, if you can't get shorter gears right away, you could go to shorter tires in the 20" at least. There are tires out there (wider & shorter) than can get you about 8% or so lower in gearing. However, your stock computer will only handle about 5% change before throwing a flag. Hypertech needed here...
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Old 08-20-2009, 10:24 AM   #21
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What would the effect be of downsizing to the 19" set up recommended by Pedders?
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