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02:40:05 - 12/29/2024
Dakota Performance
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steveo27
Dodge Dakota
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8/16/2004
19:09:15
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 Subject: 87 posi rear?
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Message:
ok. i have an 87 4wd with the stock front and rear ends and gearing, i want to upgrade it. what can i do?
i would like to install a limited slip diff in the rear, do i have to install one up front too?
i know the the rear axle is a chrysler 8 1/4, but im unsure of the gearing. as for the front, i think it is the chrysler 7 3/4, and im unsure of the gearing.
would i be able to replace either of the axles with a stronger (dana) set up?
or can i atleast find new gears for them? i am goin to run 31x10s, and i still want to have some power off the line. ive looked all over with no luck for new front gears, i have how ever found gears for the rear.
what can i do here?
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vern
Dodge Dakota
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8/16/2004
19:41:30
|  RE: 87 posi rear?
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Message:
go with a higher number gear ratio[3.92s instead of 3.55s]will help the bottom end and mid range
all 8 1/4s from 96 back will work
for the front you,ll have to go used or DC
[i know of no one who sells gears or posi for the front]
dana and auburn make a posi unit[auburn would be my choise$350,but the dana unit is cheaper like $160,
you can change the rear to a 8 3/4 which is much stronger,you have to change the spring perches etc to put this in
the 8 1/4 is OK if you put the posi unit in,the spider gears and the axle pin are the problem spots
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steveo27
Dodge Dakota
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8/16/2004
21:43:17
| RE: 87 posi rear?
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Message:
alright thanks vern...
that was the exact answer i was lookin for.
one thing tho...
on what vehicles should i look for the gears. for the rear, pretty much any older dakota or ram?as for the 7.25" gears?
would i be better off buyin a new posi unit, instead of tryin to find a used one?
thanks again
-steve
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