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Old 03-08-2005, 11:52 AM
Blown340cuda's Avatar
Blown340cuda Blown340cuda is offline
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Join Date: Apr 2003
Location: Cobden , Ontario
Age: 47
Posts: 124
Default Mopar 8 3/4 (8.75) rear end , strongest ?

Hi Guy's

I have several 8 3/4's and i was alway's told that the 489 cases where the strongest, well in many cases that's true . But i have a couple of 742 case that have a thicker pinion neck then the 489 cases, also i have a 742 case out of a 67 rt and it as the large flange (1350) , if you ask me the only thing that the 489's have better then the 742 is that the raer caps are widder and the 2 ribs on each one are quiet a bit larger. Now i do have one 742 case that as the same size rear caps as the 489's, now if they where replace at one point in time i do not know.

All in all I would like to get your opinions on what case you think are the strongest.



Thanks for your time!

Charlie B.

Keep on a moparing!
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