1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

driveshaft question

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Old 11-21-04, 02:28 PM
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driveshaft question

I just got a 82 GSL rear end to swap into my 83 project car, also picked up the 82 driveshaft that I'll need as well. I figure while its all apart I'll change the u joints, but I got a dumb question, are both the front and rear u joint the same? are both replaceable? I would think they would be, but just want to check before i order parts. Also, any thing I should be careful of when changing them? TIA
Sean
Old 11-22-04, 02:36 AM
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anyone?
Old 11-22-04, 02:45 AM
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if my memory serves me correctly they arent the same, but they are both replaceable
Old 11-22-04, 03:54 PM
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Both of the U-joints on my 79 driveshaft were the same. and im pretty sure the driveshafts are the same.
Old 11-22-04, 04:18 PM
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'82 and older are replaceable and the same front and rear. The '83-'85 are not replaceable. I don't know exactly when the diff flange changed (became larger), but it was right around '83, give or take a model year.
Old 11-22-04, 04:54 PM
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Originally Posted by Jeff20B
'82 and older are replaceable and the same front and rear. The '83-'85 are not replaceable. I don't know exactly when the diff flange changed (became larger), but it was right around '83, give or take a model year.
The flange changed in 83. So, 79-82=small flange; 83-85=large flange. The axles size change happened the following year, in 84.
Old 11-22-04, 06:33 PM
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what do you mean you cant change the u-joints? ive changed mine on my 84....and i just got an 85 drivshaft and im going to change them on it aswell...and both the front and back should be the same...
Old 11-22-04, 08:46 PM
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ok, so i gotta order 2 of the same u joint, sweet, thanks guys.
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