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

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Old 05-12-2009, 05:42 PM   #1
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Good brand for rear gears?

Hey I was wondering how to go about swapping the gears out in the camaro for a set of 3.73's. What all would have to be changed, what is a reliable durable brand? cost?
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Old 05-12-2009, 07:42 PM   #2
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why is everyone so obsessed with changing the gearing and the batteries on this car, im baffled...
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Old 05-12-2009, 07:50 PM   #3
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Richmond gears was always good brand to go with.

Alot of us feel that the 2010 is coming with a pretty dead rear. A 3.73/3.90 would help alot with accelleraton.
No clue on the batteries.
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Old 05-12-2009, 08:04 PM   #4
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3.73 or a 3.90 is also going to kill your gas milage.
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Old 05-12-2009, 08:07 PM   #5
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Maybe the 2011 camaro will get a choice in gear size, I've used Richmond in three of my cars with no problem.
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Old 05-12-2009, 08:13 PM   #6
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3.73 or a 3.90 is also going to kill your gas milage.
Kill it? doubt it, 6th gear is solid. Sure MPG will be affected but not kill it.

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Old 05-12-2009, 08:21 PM   #7
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not worried about mileage, this car isn't my daily driver, its going to be a pavement pounder.
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Old 05-12-2009, 08:33 PM   #8
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3.73 or a 3.90 is also going to kill your gas milage.

No. Assuming a .50 or .56 6th gear, as Tremec has always put in as their second overdrive, you should really only lose 1-300 rpm when cruising in 6th at 60-70-80. TR6060s and T56s are geared long as is.
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Old 05-12-2009, 08:41 PM   #9
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Originally Posted by 69 Hugger View Post
Maybe the 2011 camaro will get a choice in gear size, I've used Richmond in three of my cars with no problem.

That's what I'm really hoping for when I order next year.
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Old 05-14-2009, 08:23 PM   #10
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Gears-update coming very soon!

I should have concrete information very soon.Already have 1 apart taking measurements and will have ratios spec out very soon.

Currently the Camaro SS runs through the traps on the rev limiter in 3rd gear.This will be eliminated once our gears are available.With that being said,you can also just add more power or change the rev limiter.

Lotta data coming down the pipe on this vehicle
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Old 05-14-2009, 08:37 PM   #11
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Same here. My other used to get 6 mpg with 4.11s and Sunoco purple.
LOL, yeah I can relate to that. Nothing improved milage like the computer controlled closed loop EFI.

From a 2.73 to a 3.73 we only saw about a 1 MPG drop in consumption.

Depends on a lot of factors.

I got the call tonight. I will have a 3.90 in my hands Tuesday or Wednesday of next week. I have a spare diff assembly that we will install the gears.

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Old 05-14-2009, 09:25 PM   #12
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Originally Posted by PoleCat2SSRS2010 View Post
Same here. My other used to get 6 mpg with 4.11s and Sunoco purple.
The cars got an OD so it can't /shouldn't be that bad with 3:73 ? need to get a close up of the IRS,
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Old 05-14-2009, 09:40 PM   #13
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People jumped all over me when I talked about better gears for my 2SS Auto. Depends what you want. I can not see this car suffer much with a stiff gear. It has that 6 speed trans folks. Think about it. We used to run 3 gears in a turbo 400. Besides not all of us need to go 170 MPH, especially when the plastic front end destoys itself at 155 anyway. PLEASE list any mods needed to upgrade. Anyone that does it PLEASE list costs, mods needed to keep everything else happy and of course performance differences. I want more from my car and it should be relatively easy to get this car scary with just gears and another 100 horses.
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Old 05-14-2009, 10:04 PM   #14
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Originally Posted by mmbarberoilman View Post
People jumped all over me when I talked about better gears for my 2SS Auto. Depends what you want. I can not see this car suffer much with a stiff gear. It has that 6 speed trans folks. Think about it. We used to run 3 gears in a turbo 400. Besides not all of us need to go 170 MPH, especially when the plastic front end destoys itself at 155 anyway. PLEASE list any mods needed to upgrade. Anyone that does it PLEASE list costs, mods needed to keep everything else happy and of course performance differences. I want more from my car and it should be relatively easy to get this car scary with just gears and another 100 horses.
I would do a lot of things before I put gears in the Automatic car. Think about it, you are already using 4 gears to go through the 1/4. And the first gear is very low on that trans. You are right that it will not suffer much on the highway with a change in gears, but I don't think it will really be a great performance boost. Now on the M6 car, I think a gear swap will be very worthwhile. Think about it, you are running up against the rev limiter on that car at the track, and will probably have to shift into 4th right at the end of the 1/4 if you add any power.

If I had the automatic car I think the best money would be spent doing the exhaust first, Long tube headers, etc., then the next step would be to get rid of the AFM cam and lifters, and put a decent cam in there. This should get you to 475 crank hp without much trouble, and you could move the rev limiter up to at least the 6600 limit of the LS3. Hell, our 01 z28 auto had a 2.73 rear and only used 2 gears through the 1/4 mile-now that car needed some gears!

And BTW, the plastic front end was a preproduction part, the issue was addressed on all consumer cars. Feel free to do 155 on your daily commute.
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Old 05-14-2009, 11:25 PM   #15
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Quote:
Originally Posted by Robin Lawrence View Post
LOL, yeah I can relate to that. Nothing improved milage like the computer controlled closed loop EFI.

From a 2.73 to a 3.73 we only saw about a 1 MPG drop in consumption.

Depends on a lot of factors.

I got the call tonight. I will have a 3.90 in my hands Tuesday or Wednesday of next week. I have a spare diff assembly that we will install the gears.

Robin
once again robin, you are the man. now get working on some 4.10's, 4.30's and 4.56's lol
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Old 05-15-2009, 04:43 AM   #16
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If your worried about mpg's dont buy the camaro bro.
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Old 05-15-2009, 06:36 AM   #17
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once again robin, you are the man. now get working on some 4.10's, 4.30's and 4.56's lol

It's not me......LOL, It's my guys at Motive Gear. Now really any gear company can tool up to produce the gears if they want to make the commitment.

I have heard stories about gear sets for the G8 going for $1500.00. Now maybe that is the asking price I don't know how many are selling at that price.

Motive should have the 3.90 available in about 3 months. They are working on the 4.10 but that will come after the 3.90.

There may be other gear cutters developing there own gear sets.

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Old 05-15-2009, 06:57 AM   #18
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Originally Posted by 69 Hugger View Post
The cars got an OD so it can't /shouldn't be that bad with 3:73 ? need to get a close up of the IRS,
What close up are you looking for?

Maybe I can get something.

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Old 05-15-2009, 07:32 AM   #19
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Hey Robin -

Shot you a PM.

Thanks.
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Old 05-15-2009, 07:36 AM   #20
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Quote:
Originally Posted by mmbarberoilman View Post
People jumped all over me when I talked about better gears for my 2SS Auto. Depends what you want. I can not see this car suffer much with a stiff gear. It has that 6 speed trans folks. Think about it. We used to run 3 gears in a turbo 400. Besides not all of us need to go 170 MPH, especially when the plastic front end destoys itself at 155 anyway. PLEASE list any mods needed to upgrade. Anyone that does it PLEASE list costs, mods needed to keep everything else happy and of course performance differences. I want more from my car and it should be relatively easy to get this car scary with just gears and another 100 horses.
Please read the whole thread before spouting off false info...
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Old 05-15-2009, 09:04 AM   #21
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Originally Posted by Robin Lawrence View Post
It's not me......LOL, It's my guys at Motive Gear. Now really any gear company can tool up to produce the gears if they want to make the commitment.

I have heard stories about gear sets for the G8 going for $1500.00. Now maybe that is the asking price I don't know how many are selling at that price.

Motive should have the 3.90 available in about 3 months. They are working on the 4.10 but that will come after the 3.90.

There may be other gear cutters developing there own gear sets.

Robin
Doesn't the G8 have the same rear in it as the new camaro? If so the G8 GXP M6 comes with a 3.70 rear, although that is probably not enough of a difference to really be a worthwhile swap.
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Old 05-15-2009, 09:07 AM   #22
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Doesn't the G8 have the same rear in it as the new camaro? If so the G8 GXP M6 comes with a 3.70 rear, although that is probably not enough of a difference to really be a worthwhile swap.
Hmmmm, I didn't know that about the 3.70

Let me do some checking......

Thanks for the heads up!!!

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Old 05-15-2009, 09:17 AM   #23
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I would do a lot of things before I put gears in the Automatic car. Think about it, you are already using 4 gears to go through the 1/4. And the first gear is very low on that trans. You are right that it will not suffer much on the highway with a change in gears, but I don't think it will really be a great performance boost. Now on the M6 car, I think a gear swap will be very worthwhile. Think about it, you are running up against the rev limiter on that car at the track, and will probably have to shift into 4th right at the end of the 1/4 if you add any power.

If I had the automatic car I think the best money would be spent doing the exhaust first, Long tube headers, etc., then the next step would be to get rid of the AFM cam and lifters, and put a decent cam in there. This should get you to 475 crank hp without much trouble, and you could move the rev limiter up to at least the 6600 limit of the LS3. Hell, our 01 z28 auto had a 2.73 rear and only used 2 gears through the 1/4 mile-now that car needed some gears!

And BTW, the plastic front end was a preproduction part, the issue was addressed on all consumer cars. Feel free to do 155 on your daily commute.


Actually the first thing that should be done is go up on the stock stall on the converters. Most automatics do much better with a little bit more stall. Gearing would help alot to. You could get off the line much better with the stall and gears. The 4th gens autos benifited greatly in times with just these two mods. I think we would see the same thing here as well. Then with the other mods you listed, but keep the AFM and use one of the VVT/AFM cams the A6 would be a real beast and keep great mpg.
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Old 05-16-2009, 02:44 AM   #24
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3.73 or a 3.90 is also going to kill your gas milage.
your kidding right going from 3.45 to 3.73 is nothing to gas mileage with 6 gears

at 70mph your only turning about 1900 rpms

hell with 4.56 gears at 60mph your at 1900 rpms
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Old 05-16-2009, 08:04 AM   #25
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Actually the first thing that should be done is go up on the stock stall on the converters. Most automatics do much better with a little bit more stall. Gearing would help alot to. You could get off the line much better with the stall and gears. The 4th gens autos benifited greatly in times with just these two mods. I think we would see the same thing here as well. Then with the other mods you listed, but keep the AFM and use one of the VVT/AFM cams the A6 would be a real beast and keep great mpg.
Good Point! Something would just make me want to get rid of the AFM and bump the rev limiter though to where it belongs.
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