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TRD Rear Strut Bar and... OVERSTEER! #336745 Nov 27, 2:17am Nov 27, 2:17am
Joined: Jan 2004
Posts: 87
Italy
Danny7 OP
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2001 Toyota Celica GTS T-Sport
Danny7 OP
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TRD Rear Strut Bar and... OVERSTEER!
Hi Guys
I have a problem with my car...don't know how to solve it.
This is it:
My car was nearly perfect 2 weeks ago; I have 4 Koni yellows,with Hotchkis springs Tanabe front strut bar,Hotchkis street sway bars and tires size 225/35-18.
Well 2 weeks ago I installed a TRD Rear strut bar (the 3 points one) and now it's just become MAD!!!

When I go through a corner (going fast ovviously) and I'm accelerating, if (for whatever reason) I stop accelerating the car oversteers like a TP...and it's not something gentle or slow...it just becomes nervous and very impredictable, it oversteers like the rear tyres are running on ice... onestly I think it's strange it happened just with the TRD rear strut bar (one of my friends have one but he hasn't got this problem) but I have this problem since I've installed it.
2 days ago I installed the Cusco lower arm bar.
The front is better,the rear is still "full of madness"

Today I've tried to drive fast with my stock tires (16") and things are even worse...
Does anybody have some experience with the TRD bar? Any suggestion...ehm...maybe about rear camber?

Bye confused

Re: TRD Rear Strut Bar and... OVERSTEER! [Re: Danny7] #336746 Nov 27, 3:55am Nov 27, 3:55am
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Try adjusting the tires... lower! Might help... I noticed the same thing to... its fun but can get you into trouble when you don't want it to happen. How old are your tires?? How much tread??

Re: TRD Rear Strut Bar and... OVERSTEER! [Re: HJC_Celica] #336747 Nov 27, 6:08am Nov 27, 6:08am
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Italy
Danny7 OP
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I've tried with 2 different kind of tires and 2 different sizes.
Today I've installed the new yoko parada spec 2 (225/35-18) and I've noticed tha my rear camber is -0.8. Before I installed the TRD bar it was -1.2.

Maybe I can try to set it at -1.5...what do you think guys?

Re: TRD Rear Strut Bar and... OVERSTEER! [Re: Danny7] #336748 Nov 27, 6:57am Nov 27, 6:57am
Joined: Jul 2002
Posts: 10,123
Milford, NJ
VSGTS14
05 WRB
2005 Subaru WRX STi
VSGTS14
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its your sways, they are too stiff, too much.


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Re: TRD Rear Strut Bar and... OVERSTEER! [Re: VSGTS14] #336749 Nov 27, 11:58am Nov 27, 11:58am
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Danny7 OP
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Originally Posted by VSGTS14
its your sways, they are too stiff, too much.


I don't think so... I installed sway bars 8 months ago and I love'em...
Today I drove wiht my new tires (yoko parada)... the car is better,but not good yet...too much oversteer again...

I'll try to set the rear camber at -1,3 and then if it still oversteers I'll try again without the TRD rear strut bar.

Re: TRD Rear Strut Bar and... OVERSTEER! [Re: Danny7] #336750 Nov 27, 12:19pm Nov 27, 12:19pm
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San Diego, CA
Zero
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just remove the TRD rear strut bar.


I've mastered the art of the After Image Technique.
Re: TRD Rear Strut Bar and... OVERSTEER! [Re: Zero] #336751 Nov 27, 12:26pm Nov 27, 12:26pm
Joined: Jan 2003
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Woodland Hills, CA
ct
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funny...i have hotchkis swat bars and the TRD strut bar and i don't feel that much oversteer..maybe you just need to slow down...lol rofl


Originally posted by SKOOF:
yoru such a clown, i wish you lived in nyc, i would love to just give you the beating that youve probably never gotten in your life.
Re: TRD Rear Strut Bar and... OVERSTEER! [Re: ct] #336752 Nov 27, 1:07pm Nov 27, 1:07pm
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a little oversteer can be a good thing... you just need to learn to handle it.

Re: TRD Rear Strut Bar and... OVERSTEER! [Re: spaztikid] #336753 Nov 27, 7:55pm Nov 27, 7:55pm
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Bellflower, CA
2002 Red Toyota Celica GT
Kim
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i noticed the same thing, but its friggin hard to control oversteer on a FWD, cause the only thing you can do is just let off the gas and countersteer. usually the car jerks back on track, never that smooth transition like RWD cars.


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Re: TRD Rear Strut Bar and... OVERSTEER! [Re: Kim] #336754 Nov 27, 7:58pm Nov 27, 7:58pm
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Bellflower, CA
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you should try what HJC_celica said, just lower the rear tire pressure abit. mine is 35 psi in front and 32 in rear, on 16 inchers


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Re: TRD Rear Strut Bar and... OVERSTEER! [Re: Danny7] #336755 Nov 27, 10:54pm Nov 27, 10:54pm
Joined: Jul 2002
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Milford, NJ
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Originally Posted by Danny7
Originally Posted by VSGTS14
its your sways, they are too stiff, too much.


I don't think so... I installed sway bars 8 months ago and I love'em...
Today I drove wiht my new tires (yoko parada)... the car is better,but not good yet...too much oversteer again...

I'll try to set the rear camber at -1,3 and then if it still oversteers I'll try again without the TRD rear strut bar.


there's a lot of factors contributing to it though.


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Re: TRD Rear Strut Bar and... OVERSTEER! [Re: spaztikid] #336756 Nov 28, 2:01am Nov 28, 2:01am
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Italy
Danny7 OP
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Originally Posted by spaztikid
a little oversteer can be a good thing... you just need to learn to handle it.


You right,but I don't have a little oversteer...I have TONS of oversteer!
The problem is not that I'm not able to handle it (because I am actually) but is that the car is just slower!
I used to drive on the track sometimes and I want the car as fast as possible. And I just cannot say (in my case) that TRD strut bar has improved my car.

Obviously I'll try some different setup,but if I'm not happy,I'll remove the TRD bar...

VSGTS14
You are right too,there are many factors in it,I'm just trying to understand which can give me a real solution to the problem...I have some ideas,just want to know yours.

In next days I'll keep you updated...I need to do it because next sunday I have a trackday in Monza! smile

Re: TRD Rear Strut Bar and... OVERSTEER! [Re: Danny7] #336757 Nov 28, 10:11pm Nov 28, 10:11pm
Joined: Apr 2004
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Calgary, AB, Canada
speed_celica
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Remove the strut bar, see if it still happens...might not even be the strut bars, maybe you just need to do a wheel alignment.

Re: TRD Rear Strut Bar and... OVERSTEER! [Re: speed_celica] #336758 Nov 29, 2:04pm Nov 29, 2:04pm
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So.Cal
CID498
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You just need to RE-learn the car man.


"They don't make no seatbelt for the mind. So I can't buckle up for this ride!"
Re: TRD Rear Strut Bar and... OVERSTEER! [Re: CID498] #336759 Nov 29, 4:44pm Nov 29, 4:44pm
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the rear camber is way to much... i have -1.5 in the front... try to get the rear somewhere near -.5... the problem is you have no contact patch over the rear tires and not as much wiehgt transfer.

Re: TRD Rear Strut Bar and... OVERSTEER! [Re: HJC_Celica] #336760 Nov 29, 9:48pm Nov 29, 9:48pm
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my friend had this problem before because his shocks were to too stiff.

Re: TRD Rear Strut Bar and... OVERSTEER! [Re: specsgt] #336761 Nov 30, 4:22am Nov 30, 4:22am
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Italy
Danny7 OP
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I see but in my case the problem is a little bit different...
All the things I've installed on my car I installed them 8 months ago and the car was perfect! Very fast and not too nervous. So I already had Koni yellows,hotchkis springs and swaybars...and the car was very good...
About 10 days ago I installed the TRD rear bar and it changed completely...and I started to have problems with this oversteer.

That's it guys...today I'll try to set rear camber at -1.3.
I'll tell you how it goes...

Re: TRD Rear Strut Bar and... OVERSTEER! [Re: Danny7] #336762 Dec 6, 4:59am Dec 6, 4:59am
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Did you adjust the camber? Does it still oversteer at
-1.3??

Re: TRD Rear Strut Bar and... OVERSTEER! [Re: HJC_Celica] #336763 Dec 6, 10:08am Dec 6, 10:08am
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Idaho Falls, ID
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It's all about camber man! I have the TRD rear strut bar, and I have NO oversteer. I had way to much understeer... Pissed Me off. I ended up raising the ASS end of my car to give me a higher CG. Fixed it right quick. thumbsup

In your situtaion, I'd say definately toy with your front and rear camber. You could make it so your front slides out easier to make less oversteer. thumbsup

Re: TRD Rear Strut Bar and... OVERSTEER! [Re: Rocketman] #336764 Dec 7, 8:28pm Dec 7, 8:28pm
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Danny7 OP
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Yes you are right.
I adjusted rear and front camber (rear camber is -1,25/-1,29 now, front camber about -0.80) and corrected wheel alignement in the rear (it was not correct).

Well unfortunately I did this on saturday and since that I always drove in the wet...but I can feel the car responding very well now...it's very reactive,fast and nimble.
Even on saturday I had a Track day and it was wet again,but even if I have a very hard ride now,I was able to drive very fast...of course I needed to be very ready to correct any reaction of the back,but everything now responds very quickly.

Unfortunately after that in the parking of the track I had an accident and I have to wait till the car is ok to drive it again.. cry
Some people are very stupid!!! angry

Anyway one very important thing is that the car had real improvement since i changed tires. Yokohama parada are very good tires,I can't wait to try them on dry street.

Bye and thank you all guys

Re: TRD Rear Strut Bar and... OVERSTEER! [Re: Danny7] #336765 Jan 19, 1:31pm Jan 19, 1:31pm
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So

Just to say,with the correct alignement the car was perfect...

Thanx guys!!!

Re: TRD Rear Strut Bar and... OVERSTEER! [Re: Danny7] #336766 Jan 19, 6:11pm Jan 19, 6:11pm
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If you can, making the from shocks softer than the rears will help add understeer.

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