Hey Rob and all:
> Some guy on this list had a Dak that he had replaced the rearend with an
> 8 3/4" unit from a 70 or 71 Duster (I think).
That would be the A body kind. I think any 8 3/4 from a 68-72
Dart/Demon/Duster A body will fit the closest.
> I also think he said it was 2 inches shorter than the 8 1/4" axle
> housing.
Probably something like that ... the Mopar Performance Chassis book
should give the dimensions for all the 8 3/4 axle housings. To fit
one of these in the Dak you might have to relocate the spring perches
on the axle. Also, don't know if they'll work with sway bar/mounting
configurations on the Dak. BTW, Is there a leaf spring relocation kit
available to move the springs inboard and squeeze bigger tires under
there? Is it necessary?
> An 8 3/4" unit would hold up to one of these motors you
> referenced (300hp, 380 hp 360 c.i.) just fine
Remember here that its not really the axle/housing that has to hold
up but rather the center case. Like Rob said, its the 8 3/4" *unit*.
There were a coupla different cases put in these axles and they all
interchange. Historically, the "489" case seems to be the most
bullit proof.
> 8 3/4's were used behind hemi automatics ... Danas were used behind
> the hemi sticks).
Don't forget about all the 440's too ;)
Later all,
Matt
97 Dakota
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