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Old 03-18-2005, 04:36 PM
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68 malibu

Hey im finally dropping some more money into my 68 chevelle malibu. i want a posi unit because i cant stand the stock rearend. im not sure what diff is in there now i know it is stock but i need more info so i can purchase the right posi unit. If anyone knows how to figure this out or know please help me out. if anyone have advice of what to buy or where to buy it that would also be greatly apreaciated. I was thinking of a posi unit with 3 73 gears, thanks alot Marc

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Old 03-18-2005, 04:48 PM
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sorry i forgot to mention that its a 10 bolt non posi unit
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Old 03-19-2005, 05:07 PM
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You have the 8.2 inch 10-bolt in there now unless someone else has changed it in the past.
I would be more worth your while to find a 8.5 inch 10 bolt to put in there.
The 8.2 is inherently weaker then the 8.5, and the 8.5 is rated almost equal with a couple minor modifications as the 8.875 inch 12-bolt that can run you more than $1000 if you can even find one.

Parts are getting harder to find for the 8.2 and it has a "it'll do" reputation whereas the 8.5 is still in production.

I have seen descriptions of what years of axle and what cars they can come form that will fit into your Chevelle, but that info escapes my dwindling short term memory right now.
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Old 03-21-2005, 12:24 AM
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thanx alot, i wasnt sure what was in there, i will look into getting an 8.5 but first ill see if i can find anything for what i got Marc
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Old 03-21-2005, 05:14 AM
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Quote:
Originally Posted by M&M CUSTOM

I have seen descriptions of what years of axle and what cars they can come form that will fit into your Chevelle, but that info escapes my dwindling short term memory right now.
68-72 rear housings from GM intermediates will fit your 68. The 64-67 will also bolt in, but is an inch or so narrower. People will tell you it won't fit, but it will. I have done it.......the mounting points are the same. Apparently, some Olds 12 bolts are really 10 bolts, so be carefull of that.
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Old 03-21-2005, 11:10 PM
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thanx alot, but i now have one more question,. it seems that 8.5 10 bolt rearends are just about as good as a 12 bolt, and i think it would make more sense to get a stronger 8.5 then to fix up this 8.2, i was wondering what cars i should look for in the junk yard or can i just by a posi unit from a junked car that will fit this 8.2. the trouble i am having is trying to find out what i should put in there. i want a posi unit, but i want it on a budget. is there a easy match?
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