Quote:
Originally Posted by 1project2many
The stock TF system appears to have been designed with interesting geometry interaction during front spring compression. When the spring compresses from stock height the axle is moved forward, potentially causing the wheels to turn slightly right. But at the same time the end of the drag link traverses an arc which potentially causes the wheels to turn left. If the box is moved to the front of the axle this interaction can be reproduced but it would take some planning.
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thank you for that!
I had noted this angle of drag link as significant before when looking at specific setups.
Moving the steering box to the front would reverse the counter affect of the drag link and amplify bump steer unless the angle of the drag link is also reversed. So if the stock drag link angles down from rear box to axle with a front box you'd need it to angle up from box to axle.
Good side view pictures of the stock setup at ride height would let us ponder this some more