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Best rearend for my LS2 c3

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Old 09-28-2008, 04:06 PM
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Smile Best rearend for my LS2 c3

What is the best rearend ratio to use for an LS engine. I currently run a 3.08 but i might be a little slow i fear, when i fire it up for the first time shortly.

The conversion is with a 4L65E GMPPP tranny. I would like to be able to drive the highway with less than approx 3000rpm at 60mph and still have a fast street car. The car is weighed down to 3000lbs.
Old 09-28-2008, 08:26 PM
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3.73 will put you at 2000 rpm at 60 in overdrive in lock up, but if you don't fear the gear then go 3.90 or even 4.10.
Old 09-30-2008, 02:47 PM
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Where does one buy a rear end for a c3 then?
Old 09-30-2008, 03:25 PM
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You might be able to find something used on Ebay but besides that I don't think anyone offers a built center section, just parts.




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