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Do you have the old pitman arm or another pitman arm that you can try? This would take the pitman arm out of the question. I know a lot of these replacement parts are machined over seas and the quality control is not that great.

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Do you have the old pitman arm or another pitman arm that you can try? This would take the pitman arm out of the question. I know a lot of these replacement parts are machined over seas and the quality control is not that great.

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I can try the old pitman I guess. I've just wasted enough time and effort with this that I really don't want to pull it all apart and put it back together 2 more times lol

sorry about the confusion of the centerlink, I meant their are no master splines on the arm, I kinda wished they did though, I had a fast ratio arm for another car from PST and it didn't have any master splines on it as well, this one I have now is from firm feel

I had also tried it on without attaching to the centerlink, same results
I am using the bigger sector box for reference

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So we are assuming this spline engagement issue is causing an un correctable bump steer issue?

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I will say the 1/8th or so will effect bump steer, not saying it's a huge amount. I'm just thinking of my setup . I found moving the inner tie rod 1/8th did affect bump steer by about .020"( moving the outer tie rod had more effect) I also found you can't move the inner tire rod much as it hits the torsion bars.(Dangina I'd double check this!) I'm using 1.120" All the hours I spent getting it to where I did I would want the arm to mount in the same spot as my original box. I found Stock e bodys have ( mine was anyway?) about 3/4-1" of bump steer in 3 inches of compression travel. So with 99% of E/B body's out there will .020" make much difference? Nope... I'm just concerned with mine as I'm considering buying one of these boxes. I hear A body's do not suffer from the same issue though. I don't know for sure as I've never worked on one?

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Just a thought... you could put a bigger chamfer on the top of the arm and that would allow it to move higher up on the shaft?

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So we are assuming this spline engagement issue is causing an un correctable bump steer issue?

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I will say the 1/8th or so will effect bump steer, not saying it's a huge amount. I'm just thinking of my setup . I found moving the inner tie rod 1/8th did affect bump steer by about .020"( moving the outer tie rod had more effect) I also found you can't move the inner tire rod much as it hits the torsion bars.(Dangina I'd double check this!) I'm using 1.120" All the hours I spent getting it to where I did I would want the arm to mount in the same spot as my original box. I found Stock e bodys have ( mine was anyway?) about 3/4-1" of bump steer in 3 inches of compression travel. So with 99% of E/B body's out there will .020" make much difference? Nope... I'm just concerned with mine as I'm considering buying one of these boxes. I hear A body's do not suffer from the same issue though. I don't know for sure as I've never worked on one?

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So we are assuming this spline engagement issue is causing an un correctable bump steer issue?

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I will say the 1/8th or so will effect bump steer, not saying it's a huge amount. I'm just thinking of my setup . I found moving the inner tie rod 1/8th did affect bump steer by about .020"( moving the outer tie rod had more effect) I also found you can't move the inner tire rod much as it hits the torsion bars.(Dangina I'd double check this!) I'm using 1.120" All the hours I spent getting it to where I did I would want the arm to mount in the same spot as my original box. I found Stock e bodys have ( mine was anyway?) about 3/4-1" of bump steer in 3 inches of compression travel. So with 99% of E/B body's out there will .020" make much difference? Nope... I'm just concerned with mine as I'm considering buying one of these boxes. I hear A body's do not suffer from the same issue though. I don't know for sure as I've never worked on one?

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Maybe somewhat hidden in my question, do we know how correct the bumpsteer is before this new issue, or could the 1/8" actually improve matters, strictly by chance?

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Try some grease on the splines and nut/washer

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I'll mock up the one I have today with our Q/R arms and post some results.

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thanks dan, appreciate it!

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I'll mock up the one I have today with our Q/R arms and post some results.

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