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Thread: Got a lot of understeer

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Posts: 11-15 of 15
2012-02-20 19:30:11
#11
Originally Posted by BenFenner
OP, it sounds like you need an alignment. Usually things don't get out of whack when you install front bushings, but if you messed with the tie rods at all then you've thrown your alignment off. Also, it's possible you need an alignment anyway. That would be my guess.

Just putting stiff bushings up front should not cause that drastic of a handling change.


It may not be drastic but certainly enough for someone who is racing the car at a track to notice.
2012-02-21 02:45:39
#12
Yes I normaly race my car a lot and i could notice the change. Now the Bushings i bought for the rear were the Rear Control Arm Bushings. Those were the only ones i found from ES.

I tried in a local shop from the best racing team of my country and they said that bending the rear beam could not be done without messing up with the structural integrity of the suspension. So i dont have where to do it.

Viprdude, where can i find this?
-SuperPro rear trailing arms bushing replacement
-Scott Russell replacement links (probably custom at this point)

any links for that?
2012-02-21 03:00:12
#13
This is what the SuperPro Rear Control arm bushings look like. These fit where the rear trailing arms meet the chassis in the B14 or P11. (aka the BEAM)

And here is a link to the SuperPro website for the part.
Find SuperPro Parts for My Vehicle

You can do a search on here of google for scott russell replacement links. They are custom.

Also, you most certainly can bend the beam.

Hydraulic jack providing the pressure attached to an iron I-beam with three support pieces around the beam that attached via a thick and very strong chain link can, will, and HAS bent the beam to a desired zero degrees of rear toe and does WONDERS for a car. The 200SX has 1/4" of rear toe-in that is not adjustable and from the factory for the pure sake of inducing understeer.
2012-02-21 18:29:50
#14
1) If you are going to try to bend the beam yourself, insert masonite shims inside the axle beam (force them in tight on both sides of the torsion bar) to bend the torsion bar at the same time that you bend the beam.
2) Sneak up on the bending - bend a little, then check it. Do it in small increments. if you overbend it, it is difficult to bend it back.
3) Whiteline front caster bushings will help to keep the front end planted.
4) Progress rear bar set full stiff definitely helps.
5) Try rear tire pressures 4-5 psi lower than the front.
2012-02-21 18:35:10
#15
Ignore the B13 stuff above, I wasn't aware we were dealing with a B14. Apparently I can't read signatures.
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