Duster rear end compatibility

YY1 said

3/4" per side is VERY easy to get to "drop on" RE: a 65-67 axle in a Duster.

VERY EASY.

Are there technical engineering concerns? Yes.

Does it work without modification? Yes.

Will you experience problems? I never did in the five plus years I ran one that way.

Also, the "extra" overall width actually puts the rear track exactly the same as the front track of factory disk brake cars.

...and 65-67 axles are about 1/3 to 1/5 the cost of an A body 8 3/4 and WAY (WAY) more plentiful.

Click to expand...

The width of the axle isn’t the problem. I use a wider 68-70 B body 8 3/4 in my Duster. The problem is you’re cramming an axle with perches at 44” onto springs centered at 43”. A 1/2” of side load will absolutely compromise how those springs function.

Just because you didn’t die doesn’t mean it’s a good idea. Not noticing the difference is a reflection of your skills and abilities more than it’s a reflection of the actual performance. Those springs will not function correctly.

It’s only a “bolt on mod” if you’re a shade tree hack. Doing it right means moving the perches. It’s that simple.