like could i use a gl rear (assuming ratios were the same) in a legacy and reuse the legacy axles.

The Viscous LSD from a Turbo Legacy (91-94) works fine so I dont see how it wouldnt work the other way too.

if the legacy in question has female splines on the rear axles, than yes.

 

I believe all 1st gen legacies do. but most EJ cars have male splines on the DOJs that slip into the diff, and no stubs at all.....which obviously wouldn't work.

if the legacy in question has female splines on the rear axles, than yes.

 

I believe all 1st gen legacies do. but most EJ cars have male splines on the DOJs that slip into the diff, and no stubs at all.....which obviously wouldn't work.

 

yes we are talking about male on the diff and female on the axles.

 

 

sweet thanks

all rear diffs(with male stubs) are 23 splines