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79 rear differential in a 75 ?

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Old 01-04-2018, 12:23 PM
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Crusty 1
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Default 79 rear differential in a 75 ?
I have the chance to buy a rebuilt 79 rear diff on the cheap. My question is ... will it bolt up to a 75? Thanks for the help.
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Old 01-04-2018, 12:40 PM
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Bob K
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It should bolt right in.
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Old 01-04-2018, 01:31 PM
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GTR1999
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yup, but if it's original stock you will just be bolting in another problem. Address the RG bolts, axles, and possibly the posi clutches.
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Old 01-04-2018, 03:30 PM
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Originally Posted by GTR1999
yup, but if it's original stock you will just be bolting in another problem. Address the RG bolts, axles, and possibly the posi clutches.


It has 500 miles on a fresh rebuild from the Corvette center in Pueblo, CO. RG = Running gear bolts?
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Old 01-04-2018, 04:29 PM
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derekderek
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do you know the ratio of the one you are removing, and the new one?
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Old 01-04-2018, 10:32 PM
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Originally Posted by Crusty 1
It has 500 miles on a fresh rebuild from the Corvette center in Pueblo, CO. RG = Running gear bolts?
Ring gear.
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Old 01-05-2018, 01:04 PM
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GTR1999
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Originally Posted by Crusty 1
It has 500 miles on a fresh rebuild from the Corvette center in Pueblo, CO. RG = Running gear bolts?
Well hopefully it is correct, I don't know those guys so I can't say one way or the other but I have had plenty of "rebuilt" diff's come in and, well lets say the term rebuilt can be subjective.
Good luck
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Old 01-07-2018, 03:13 PM
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