Thoughts on new gears/posi/install package
#1
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Car: 1991 RS T-Tops
Engine: 1971 L48 Corvette 350
Transmission: 700R4
Axle/Gears: 10 Bolt 2.73
Thoughts on new gears/posi/install package
Hey, my first post!
I have a 1991 RS with an open differential (I think), 2.73 gears(series 2 carrier), 28 spline axles, 7.625"...
My question is will these parts from summit fit with no problem? The auburn posi says to use with gears 3.23 and up, i`m not sure if that means I can't use it since my gears were originally 2.73, or I can use it because I will be swapping in 3.73`s.
http://www.summitracing.com/parts/au...t/model/camaro
http://www.summitracing.com/parts/rm...73tk/overview/
http://www.summitracing.com/parts/rmg-8310441/overview/
Thanks,
Joe
I have a 1991 RS with an open differential (I think), 2.73 gears(series 2 carrier), 28 spline axles, 7.625"...
My question is will these parts from summit fit with no problem? The auburn posi says to use with gears 3.23 and up, i`m not sure if that means I can't use it since my gears were originally 2.73, or I can use it because I will be swapping in 3.73`s.
http://www.summitracing.com/parts/au...t/model/camaro
http://www.summitracing.com/parts/rm...73tk/overview/
http://www.summitracing.com/parts/rmg-8310441/overview/
Thanks,
Joe
#2
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Re: Thoughts on new gears/posi/install package
This post is a good read; https://www.thirdgen.org/forums/tran...-10-bolts.html
#3
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Re: Thoughts on new gears/posi/install package
That posi is GARBAGE; the other 2 are OK.
Use this carrier instead. http://www.summitracing.com/parts/et...-010/overview/
Use this carrier instead. http://www.summitracing.com/parts/et...-010/overview/
#4
Re: Thoughts on new gears/posi/install package
Don't get the Auburn, or any of those parts. Get the Eaton Posi or a Yukon Dura Grip. I'm pretty sure that's one of Richmond's cheap gear sets, and they will probably make noise. The installation kit is also no good. I recommend getting your parts from Tom's Differentials or Randy's Ring & Pinion. Summit doesn't have good installation kits, and Tom's can beat their price on the Eaton Posi. Randy's has the Dura Grip.
#5
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Car: 1991 RS T-Tops
Engine: 1971 L48 Corvette 350
Transmission: 700R4
Axle/Gears: 10 Bolt 2.73
Re: Thoughts on new gears/posi/install package
I've already read the FAQ, i've lurked this website for a while now.
Thanks for the recomendations on brands and retailers. Can anyone recommend 3 part numbers that will fit my specific rear? On Tom's website they claim to only have Eaton posi's for 3 seriers carriers, mine is a 2 as mentioned in my first post.
Any specific information would be appreciated.
Thanks for the recomendations on brands and retailers. Can anyone recommend 3 part numbers that will fit my specific rear? On Tom's website they claim to only have Eaton posi's for 3 seriers carriers, mine is a 2 as mentioned in my first post.
Any specific information would be appreciated.
#6
Re: Thoughts on new gears/posi/install package
Looks like you are going to be stuck with the Auburn, or you could look for a used Torsen. There may have been some LS1 cars that had 2 series gears. The Eaton doesn't come in a 2 series.
http://www.ebay.com/itm/98-02-Camaro...sories&vxp=mtr
Here is a 2 series Torsen. There are probably others too. This is the first one that I came to. I'd much rather have a used Torsen than a new Auburn.
http://www.ebay.com/itm/98-02-Camaro...sories&vxp=mtr
Here is a 2 series Torsen. There are probably others too. This is the first one that I came to. I'd much rather have a used Torsen than a new Auburn.
Last edited by big gear head; 10-29-2012 at 05:33 PM.
#7
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Re: Thoughts on new gears/posi/install package
What your carrier is now, doesn't matter.
You're putting in a 3 series ratio. Use a 3 series carrier. Forget you ever had any 2 series anything.
You're putting in a 3 series ratio. Use a 3 series carrier. Forget you ever had any 2 series anything.
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#9
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Car: 90 IROC 2-92 Zs blk vert & prpl
Engine: stealth ram brodix track 1 ful port
Transmission: 700r4 4l80e
Axle/Gears: iroc 375 lokr 92 Z 277 pos vert 327
Re: Thoughts on new gears/posi/install package
Find a 9 bolt. Many members will say they are getting to rare and expensive now but they are a better rear. 7.75 vs 7.5 and the design is better.
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