Lovin the swaybar setup (who likes oversteer!?)

Have some questions about how to achive better handling and stopping power using different springs, upgrading to coilovers, questions on swaybars, bushings, different rotors, pads, ect... Having any steering problems or questions about steering racks, tie rods, tie rod ends, ect... ask these questions here.
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anomalous0
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Lovin the swaybar setup (who likes oversteer!?)

Post by anomalous0 » Mon May 14, 2007 4:32 pm

Well, I finally got my 24mm SRT front sway on after putting on my 22mm perrin rear on, and WOW, what a difference. I probably represent the minority view here, but I'm glad I didn't go with the 26mm front sway.
I already miss having as much oversteer as I did, though the overall stability and cornering of the car is much better.
I also don't understand why these cars didn't come stock with a rear sway bar. Oversteer is supposed to make a car "safer" for an inexperienced driver, but I've found that the tires are less likely to break loose with the addition of a rear bar, (at least from no rear bar.)
In fact, the whole car feels safer and more stable, especially at highway speeds.

Just my 2 cents.

And a random question, but is 24mm the largest rear bar available to us (hotchkis, Progress, etc?
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Post by SlvrACR » Mon May 14, 2007 4:36 pm

Hothckis is the largest 29/24mm
Add some MP ACR Tension Struts and you will love it
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Post by MoxHair » Mon May 14, 2007 4:37 pm

I haven't seen anything larger than 24mm for the rear.. I had the Progress rear 24mm and front 27mm on my R/T and Loved it. I can't wait until I get to my goal of 300whp so I can buy those sway bars again.
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INVUJerry
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Re: Lovin the swaybar setup (who likes oversteer!?)

Post by INVUJerry » Mon May 14, 2007 6:19 pm

anomalous0 wrote:Well, I finally got my 24mm SRT front sway on after putting on my 22mm perrin rear on, and WOW, what a difference. I probably represent the minority view here, but I'm glad I didn't go with the 26mm front sway.
I already miss having as much oversteer as I did, though the overall stability and cornering of the car is much better.
I also don't understand why these cars didn't come stock with a rear sway bar. Oversteer is supposed to make a car "safer" for an inexperienced driver, but I've found that the tires are less likely to break loose with the addition of a rear bar, (at least from no rear bar.)
In fact, the whole car feels safer and more stable, especially at highway speeds.

Just my 2 cents.

And a random question, but is 24mm the largest rear bar available to us (hotchkis, Progress, etc?
Are you sure you mean Oversteer is safer? Thats why almost all car companies dial in understeer to a car, because it is safer. Understeer is where it wont turn, Oversteer is where it turns to much.
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Post by ewetho » Mon May 14, 2007 7:50 pm

Understeer is considered safer because you correct in the direction you want to go. Say you are in a corner and start to understeer, now the natural tendency is to steer more. With oversteer you have to be taught to steer the other way to keep going the direction you want to go like a dirt track car. A loose or oversteering car requires a skilled driver.

You should not have Oversteer in that car like you are now. I run a 20 front and 22 mm rear and it just oversteers on off camber turns. Mine probably could use more negative camber in the rear and more rear spring rate but for daily driver and having to haul kids it has to stop about here anyway. But ideally more negative camber out back wider tires and should be real fun.

What you ended up with is a more capable car that keeps you out of trouble at higher speed which gets you in more trouble that you need to stay out of if you know what I mean. But it is fun. Just keep it safe. I run much faster than stock but well under the cars capabilities and enjoy tailgaters trying to figure out what just happened as I leave them in a corner.
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anomalous0
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Post by anomalous0 » Tue May 15, 2007 7:25 am

No worries, I'm a pretty cautious driver. I'm just starting to find out what my girl can do. I've noticed it does turn too much under heavy braking, and that I can control it by turning in and adding throttle. Sounds like oversteer to me, though it mostly happened only when I had the bigger rear bar and not the front. I suspect the fact that my front bushings are far more shot than my rear ones has something to do with it, as well as the fact that the rear bar has poly bushings, and the front has pretty worn rubber ones.
Basically I find the entire turning experience is far more predictable, that the tires will break loose only when I want them to, and only as far as I want them to. I'm not anywhere near being comfortable driving the car to it's current limits, and I intend to add much wider rubber and do a full poly bushing kit by the end of the year. By the time I'm content with my suspension work, my car will be capable of far more than I'll dare to push her to in any but the most controlled circumstances.
Also, I live in arizona, so rain is rarely an issue, and ice is a non-issue in my part of the state.
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Post by CA180 » Tue May 15, 2007 9:17 pm

I'm running a 24mm front bar and 17mm rear bar and i get some oversteer when braking. Adding a large rear bar will make this worse. But if you understand how to control the car, it feels like a great balance.
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Post by ewetho » Tue May 15, 2007 11:51 pm

Remember you can also alter oversteer by camber an toe out back too. The more open the toe it will turn faster. As you add camber to a point this will help control the rear end too. So depending on use you may find you want more or less of each. If you like fast sweepers more than tight little autocross then you want some positive toe just to slow the rear or even both ends down a bit. So adjusting Camber and toe at both ends really can help tune the car to make it handle and compliment the springs and bars you have in the car. Also remember a car can be forced to do many things.

I watched a video with someone like Jack Brabham driving and he was driving a stock 80's Mustangs which is known to PUSH at the limit go around a skidpad alternating over and understeer with his right foot on the throttle. Left edge of the left front tire never left the 4" wide circle the whole way around.

Now if you trail-brake into a corner(especially so if you go deep in toward the apex) a car you think is loose, some may think pushes like a dumptruck. So it depends on driving style and where you feel comfortable. If you go around a corner steady state does it push or is it loose. How about under throttle. Might push even badly at these times.

If you ever add a LSD (Limited slip differential) to your car it will pick up a significant pus compared to what it was before.

Also remember to tension everything you can at ride height when doing suspension work. Especially those tension strut bushings to the knuckle. I had then zipped down while hanging in the air and got them way too tight which led the rear end snap over steer and be very rough riding and nervous in corners. Reset them on a drive on rack and now they are butter.

As a last thought don't forget tire pressure tuning either.
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