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Old 07-19-2009, 02:09 PM
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456 gear swap to 373 in 8.5 rearend, carrier swap?

I have what might be a stupid question I have a 8.5 456 pos under my camaro i'm goin to change to a 373 a guy told me 373 and lower all had the same carrier and anything higher had a different carrier is there any truth to this just trying to get out of pulling cover off until I order a new ring and pinion thanks

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Old 07-19-2009, 02:29 PM
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Yea it's true click on the link and scroll down and read this it will help. http://www.nastyz28.com/2gcog/rearaxle.html . Cole
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Old 07-19-2009, 02:41 PM
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373

thanks for info.
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Old 07-19-2009, 03:45 PM
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It's true that, from the factory, a carrier for a 4.56 and a 3.73 were the same, but there are gearsets available for the higher geared carriers, too.
They make the ring gear thicker to locate it in the right place when used on a carrier for higher gear ratios.

I would suggest that you verify which carrier you have before you order the new ring & pinion. You might be in for a surprize, otherwise.
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