bodyroll??? - Suspension and Brake Forum

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bodyroll???
Monday, August 22, 2005 11:14 AM
what do i have to buy to stop bodyroll when going around turns

Re: bodyroll???
Monday, August 22, 2005 11:19 AM
scott miles wrote:what do i have to buy to stop bodyroll when going around turns
some konis to go with the sportlines then front and rear sway bars.


see ya!

Re: bodyroll???
Monday, August 22, 2005 11:27 AM
Depends on what you have already.

Start with Struts and lowering springs (~1.5" drop, more or less will not work as well). Use struts meant for lowering. Stock and stock replacements are not good enough.

Then add front and rear sway bars. What size you need depends on what you want to accomplish.

Then strut tower braces and a trailing arm brace may also help. But will not be the hugely noticeable difference of the above items.

"Better" tires will help as well, but that discussion should stay in the Wheel & Tire section.



Re: bodyroll???
Tuesday, August 23, 2005 7:54 AM
To simply stop body roll, a rear sway bar is the best bang for your buck by far. However, it won't change the ride quality, or looks the same way lowering springs and struts will, but they cost big $$. If all you wish to accomplish is get rid of body roll, go with the rear sway bar.


15.3 @ 89.97mph, 14's on the way?

For Sale:
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Re: bodyroll???
Tuesday, August 23, 2005 1:31 PM
body roll should first be addressed by springs and struts...

swaybars should be the last thing you add for fine tuning.




and just a rear sway bar will get rid of body roll..... in the rear...

the front of the car will be just as soft as it was and dip hard in the turns causing the rear inside tires to raise, which in turn you end up going through turns if you drive hard on basically 3 tires...

not really good for traction.



the main thing a rear swaybar does in start to increase turn in and start moving from understeer to oversteer.


remember, body roll is the entire chassis. if you leave the front bare. which the original poster is in a base model 2.2 ohv, then you can actually do more harm than good.


springs and struts, or in the least, struts should be first.



also i HIGHLY disagree with adding swaybars before braces....

reason... when the suspension is sloppy, you have to use larger swaybars to get the same effect as a braced suspension. not to mention handling even with the bar will still be sloppy.

think about it... name one thing you build up where you put the braces in AFTER you put the finishing touches on it?

swaybars add extra stress to the chassis and unibody. adding those before its braced makes it sloppier.



Re: bodyroll???
Tuesday, August 23, 2005 7:39 PM
ok so the only suspension stuff i have right now are eibach sportlines and front and rear upper strut bars. what should be next. new shocks??
Re: bodyroll???
Tuesday, August 23, 2005 7:45 PM
definately....

you added the springs, but stock struts arent sufficient to control aftermarket springs of that height and stiffness.





Re: bodyroll???
Tuesday, August 23, 2005 8:38 PM
Dam-it Muffins (Event) wrote:body roll should first be addressed by springs and struts...

swaybars should be the last thing you add for fine tuning.


I agree. A stiffer spring/shock combo will take out the most body roll and improve handling all around. Start there and then work your way to the Sway Bar (trust me- I did it backwards ).

The steps to a good suspension should be done in this order.
1. A ~1.5 lowering spring matched with proper struts (or a set of good coilovers if you can afford them)
2. Front and Rear strut braces
3. Swaybars
4. Other fine tunning things like tie bars, camber plates, subframe braces, etc.



Re: bodyroll???
Monday, August 29, 2005 12:51 PM
This is one thing I've always disagreed with Art on is the bracing. To get the maximum potential from your suspension it is necessary, but I believe there are other things to spend your money on for greater rewards starting out (ROI-return on investment). but we'll leave it at that .

However I agree that a rear sway bar should NOT be the first modification if you have a decent suspension budget.

Struts - good start
Struts+Springs(coilovers if you want a really firm ride) - great

WIth struts you will be able to control a good bit of your instantaneous body roll (exibited when taking a tight turn). AGX's and Koni's allow you to independently tune each point of your car, but if your talking about sweepers the spings and swaybar come more into play by further restricting the weight transition of the car.

Springs and swaybars control the extent to which the car is allowed to move. Struts control how quickly that transition is allowed to happen, and also reduce the natural tendency of the springs to spring...

Springs will lower the car and decrease suspension travel, this restricting the amount of body roll possible.

Once you have shocks and springs, swaybars are more of the iceing on the cake, good to have but not your biggest concern.

it will make the biggest difference if your suspension budget is $150.00 (get the addco, I got mine from Gravana, Jim is great to deal with)

If you have a little more, shocks and struts will be a much more noticable differnce.

I have struts and a swaybar, next up is coilovers.

Body roll is weight transition of the car, when on a soft suspension this allows A LOT of weight transition.


-Chris

Re: bodyroll???
Monday, August 29, 2005 1:32 PM
IamRascal wrote:This is one thing I've always disagreed with Art on is the bracing. To get the maximum potential from your suspension it is necessary, but I believe there are other things to spend your money on for greater rewards starting out (ROI-return on investment). but we'll leave it at that .


thats cool.

its just even for not having max potential.. with that aside...

bracing, makes everything work consistently.......

it also makes things work effectively.


also it keeps from stressing out you chassis faster than it should be... metal fatigues and if it isnt braced, after a few thousand miles other things get sloppy.

bracing is prob the cheapest thing to do to the entire suspension and its on the same level as motor mounts really.




the greatest rewards in my view are the ones that are gonna be consistently there. not feels good this time, and then the next time has a different feel.

no other performance part youd want to work 90% this time and 100% next time and then 95% on the next use...

without braces, thats what a swaybar will do mainly cause things are still flexing from the extra force and that means your suspension is still a bit sloppy.

but its cool. we agree on the basics and stuff no biggie.



Re: bodyroll???
Monday, August 29, 2005 3:43 PM
Zach wrote:
Dam-it Muffins (Event) wrote:body roll should first be addressed by springs and struts...

swaybars should be the last thing you add for fine tuning.


I agree. A stiffer spring/shock combo will take out the most body roll and improve handling all around. Start there and then work your way to the Sway Bar (trust me- I did it backwards ).

The steps to a good suspension should be done in this order.
1. A ~1.5 lowering spring matched with proper struts (or a set of good coilovers if you can afford them)
2. Front and Rear strut braces
3. Swaybars
4. Other fine tunning things like tie bars, camber plates, subframe braces, etc.


this should be the standard which people modify their J's by.




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