Re: [FWDLK] Where to get a 3.31:1 ratio 8 3/4" rear diff assembly?

[moparted <moparted_70@xxxxxxxxx>]

seems the readily available 3.23 should work.

--- Lou <email4lou@xxxxxxxxxx> wrote:
> Ayone know if there is a place to get an assembled
> rear center section for a 8 3/4" rear with 3.31
> gears?
>
> I had another mopar tech expert test drive my car
> today, and he thinks the vibration I have could be
> coming from either the rear diff assembly (bearings,
> etc) or  the rear transmission bearing.   So now I
> am doing research into parts availability and
> pricing in anticipation of having to replace stuff.
>
> Given the cost of getting someone to tear into the
> rear assembly for rebuild, and the scarcity of parts
> for the original foward look center section, it was
> recommended to me that I might just want to buy a
> complete assembly (later model 742 rear) and swap it
> in.  The thing is, it doesn't look like you can get
> the 3.31 ratio that my car currently has (and I'd
> rather not have to pick another ratio and then deal
> with the speedometer gearing issue).
>
> Does anyone know where I could get a "new" 3.31 rear
> assembly (in the event that I need one)?  If I am
> going to get into this thing, I just as soon go new
> if possible.  I've tried some retail sites like
> summit, jegs, etc, and precision gear, motive gear,
> and richmodn gear's web sites....no 3.31 ring and
> pinions even available.
>
> Regards,
> Lou


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