Hello all

I've been fighting with this problem ever since i bought this 91' Teg back in 06/12
It didnt run when i bought it so this is how this problem hid from me.
Anyways this car is just plain unstable while goin straight down the road, all the suspension is redone-full energy suspension kit, KYB GR-2's & suspension techniques lowerin springs,new ball joints, new tires too. God forbid if you have to change lanes & run over the crack in between the lanes bcuz it will track whatever & whenever it can & follow till you change its course & then when you do come off the crack or whatever its all over the place. I can not find any play in the steering what so ever i checked the subframe to make sure its tight. It does however have the original R&P with 245000 on the odometer. I'm wondering if theres a chance that maybe something internal is wrong with the rack & pinion but would'nt it rear its ugly head in a shake down test? But like i said earlier i cannot find any play anywhere with the front end up in the air. I'm about to order ALL the braces i can for this thing do yall think that will help????? When i go on a curved overpass, i go into the turn, then the back of the car feels like it wants to come around & i have to quickly turn the wheel the other way thinking" this time" its goin to break loose UGH!!!!

Thanks for any input
Cameron

 

No important info listed whatsoever.

Spring rates on your setup? Size of swaybars?

 

What is your chamber and how low is the car? I have also replaced bushing and all suspension components in my eg6. I have a manual R&P that has almost 300k miles. I did tighten my steering rack not too long ago which helped take all the slack out. My tires sit flush with fender wells and I have -2 degrees camber front and rear. My car has bump steer pretty bad as well and I credit the camber for this issue. I plan on getting a camber kit to see if that improves the bump steer.

 

Also need to know camber front and rear. If it's extreme the tires will have a tendency to tramline.

Was the car aligned after all this stuff was installed?

 

Oh.......my bad i think the spring rates Front is 425, back is 215 . also no swaybar up front & i have the lil factory coat hanger of a swaybar in the back.

 

Did you ever get an alignment?

 

Its lowered 2" all around & i have the front & rear camber kit & i have the front pulled all the way out to get almost all of the camber straight up & down i hate camber! Im lookin for the print out sheet for the alignment i will post as soon as i do.

 

Left camber -0.9 Right camber-0.8
Left caster 1.6. Right caster 1.0
Left toe 0.03. Right toe 0.07

Cross Camber Front -0.1
Cross Caster Front 0.6
Total Toe Front 0.11


Left rear camber -1.5. Right rear camber -1.4
Left rear toe 0.07. Right rear toe +0.13

Rear cross camber -0.1
Total rear toe 0.20
Thrust Angle -0.03

 

That rear camber could be a cause of the bump steer. I think also having - toe on one side while having + toe would cause issues.

 

Well this is the most recent alignment to solve this issue i've had the alignment redone about 10 times to solve this so im at a loss. I mean i'll get the rear toe straighten out but its not going to really notice any differance other than letting go of the wheel & watch it go straight as long as theres no cracks to get rutted into. I really need to find a shop that will have a badass front end guy other than the NTB guy tellin me theres no specs for caster or camber cuz it was none adjustable from the factory as he looks at me with a goofy look of confusion

 

That could be the source of your oversteer problem, they can't adjust it to 0?

Camber doesn't look too out of whack to cause tramline, what tires do you have?

 

Tires are the cheap sunny 3890 or something like that,

 

Yeah tomorrow it will be adjusted to 0, yessir

 

No front sway bar is not helping you either. I would try to find a stock one to put on if you can.

 

OMFG! THIS is your primary problem!!! Add a front or remove the rear.

 

No wait a minute ,sorry you guys I'm an IDIOT..... i do have a swaybar on the front i dont know what i was thinking cuz i even put new bushings on it lol shame me

 

Im seriously looking at a cusco lower front brace

http://www.ebay.com/itm/Cusco-Front-.../290773612863?

 

For what? Won't do **** for oversteer.

 

Well i would think going around a curve & strut towers flexing about, which im sure they are, with any extra stability helping the front end stay true, cant hurt ya know?
got my **** back to 0° in the rear cant tell a difference
Going to swap out the front wheels off my other car that have diffrent tires & see how it feels
Thanks everybody for the input

 

Keep thinking that.

I can't help but think there is something else you've left out that might be important. Like say, an accident?

 

Plenty of people run without a front swaybar and don't have a problem as severe as this sounds with oversteer. I wouldn't necessarily jump to that being the issue. Esp if this loose feeling comes about on intial turn in.

You mentioned the car has had its bushings replace with ES. How long/miles ago was that done? Does the car have the original trailing arm bushings in or the ES bushings? Have you recently inspected all of the bushings to make sure none have torn, cracked, "egged" out in shape?

 

Wont do much if anything, and it wont help at all with over/understeer.


ES trailing arm bushings?

I'll be the first to ask, are you sure it's oversteering? You don't exactly have the makings of a tail happy setup.

Post the new alignment settings.

 

I am almost certain he is referring to bump steer as oversteer

 

That's what I'm thinking. if that's the case, I would point towards the Poly trailing arm bushings. (if he has them)

I have bump steer issues that showed up after ES TA bushings.

 

It was the piece O' **** tires case closed
Still got bumpsteer but that aint nuthin compared to what it was doin
Weak *** sidewall on the tires so do not buy said tires above even tho the price looks good