Re: IML: 70 rear axle

[dardal@xxxxxxxxxxxxxxx]

The rear axle can be rebuilt, you will have to pull bearings and press in new
ones.  You need presses for that.  If you rebuilt your transmission yourself, I
am sure you cn figure out ways to replace these bearings (you may have to pay a
few visits to local machine shops).  Sometimes the gears themselves go, if you
run it with no oil.  Opening it up will tell.  There are lots of parts-cars out
there, I am sure somebody may sell you a complete unit, possibly a SureGrip.

The 200 rpm is about right.  I have read road tests of Chryslers with the 3.23
that were still smooth highway cars.  Still, if you want to use your car for
road trips, the 2.94 sounds more appropriate to me.  If you want more
acceleration, I would try the dual exhaust and less restrictive air cleaner
first.  These simple modifications have no other negative consequences (unlike
the rear gear reduction).  The 2.94 should still be good for some towing. 
Also, you may be losing some power from the worn out differential.

D^2

Quoting kmoore12@xxxxxxxxxxx:

> Hey everyone, I have an issue with my rear axle that is tearing me up. I need
> to replace the bearings ( sounds like a church choir in my trunk ) and I
> would like to install taller gears and a limited-slip diff while I am in
> there. Here is my problem: I would like to go from the current 2.94 to a 3.23
> for a little extra "go" and better towing capabilities. If my calculations
> are correct, that would be an increase of approximately 200 rpm at 65 mph.
> Will that increase make my highway hauler not so highway. My main goal with
> this car is road trips. And one last question: Is rebuilding an axle
> difficult? I rebuilt my transmission myself ( with a little help from my
> brother ) and that was easy.
> 
>   Keith
> 
> P. S. I want to thank everyone for their support. I was asking a few weeks
> ago if I should keep her or set her up for adoption. As you can see, I am
> keeping the little @!&^%$(&^...........
> 





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