AU2 futura vs XR6 trailing arm differences

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Hey fellas,

Thought I'd post here as I think most of you will know the answer or at least have some idea.

I was wondering if anyone would know if there is a difference to the upper and lower trailing arms between a Forte/Futura live axle and a XR6 live axle rear?

As is, are there significant length differences, structural differences that were considerably different between the 2 models or were they just the same all the way through?

I thought there might have been length differences between the 2 models due to the ride heights. Forte being higher and XR6 being lower stance therefore changing the length of the trailing arms to suit. But not sure.

When I put my XR6 diff in my Futura a few years back with lowered springs, I reused my lower trailing arms but bolted them to the secondary point in the diff to get the yoke angle right otherwise I would get a shudder through the car. Since doing that, its been fine unless I fit people in the back of the car which drops the back down even further and I still occasionally get a bit of a shudder, but no where near as much as before. I was wondering if the change in trailing arms to proper XR6 ones will help alleviate this and set the angle of the diff up better again?

Does anyone know for sure or can point me in the right direction showing specific information to confirm?