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Camaro V6 LFX Engine, Exhaust, and Bolt-Ons For all LFX related parts

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Old 05-15-2012, 08:31 PM   #1
butters
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3.91 Gear Set?

I know phastek sells a 3.55 set. I have an automatic and was wondering if anyone makes a 3.73 or 3.91 gear set or if it's even possible?
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Old 05-15-2012, 08:40 PM   #2
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I believe both 3.73 & 3.91 are available for the manuals (auto V6 uses a different diff). I think LPE/AAM make the 3.91, not sure on the 3.73.
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Old 05-15-2012, 08:48 PM   #3
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Quote:
Originally Posted by butters View Post
I know phastek sells a 3.55 set. I have an automatic and was wondering if anyone makes a 3.73 or 3.91 gear set or if it's even possible?
The 3.70 and 3.91 are made for LPE by American axle and are as good as oem.


http://jreperformanceparts.com/linge...-70-ratio.html
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Old 05-15-2012, 09:09 PM   #4
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It says there for the SS, these will still fit an auto v6?

Edit: nevermind, they say they can be adapted for the v6 with new half shafts and a new driveshaft.
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Old 05-15-2012, 09:14 PM   #5
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No. Only gears available for the v6 are 3.55 from richmond that I know of.
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Old 05-15-2012, 09:32 PM   #6
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Right you are. Just found a great write up from Apex. The autos can upgrade to a 3.55 with a 10% increase in torque.

Manuals can upgrade to a 3.73 with similar results.

http://www.camaro5.com/forums/showthread.php?t=133090
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