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02 Ex here...


I'm choosing sway bars now...what's the verdict on the Progress Sway Bars...Do our endlinks hold up or do we have to upgrade...

Matt

 
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Hmm... It depends I guess. My front is allright. No problem at all. I've heard that people haven't had any problems with the end links up front. The rear is a different story though. The 22mm bar rips through them during rough driving. I don't get it though? They look like they're made of the same stuff. Same thickness and everything. I don't get it?

 
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Progress Front, RSX 19mm in back then?

 
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If you don't want to do anything with the end link. Sure. I guess.

 
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You're going to want a good balance between front and back sway bars. You can't put a super thick one in the front and just a regular 19mm one in the back. IMO, that combination would cause a lot of understeer (which we already have stock ).

If you want improvement in handling w/o getting new endlinks, just get the rear 19mm RSX sway bar.

 
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I've only come to the conclusion that it's a weight issue. If you're gonna have a heavy trunk do not put a rear sway bar on PERIOD. The endlinks will break even if you're using the stock bar (but your trunk would have to be at or exceeding it's weight capacity.)

This happened with my friend and he didn't even know the endlink broke until his friend lifted his car. He didn't notice it probably because there was enough weight on his suspension (springs) that prevents them from being compressed further (thus also resulting in less body roll), OR the puny 12mm EX bar wasn't doing anything to begin with.

Theoretically speaking, I can only say that the weight caused more stress on the bar than it can normally handle. It perhaps bent it from the endlink to where the sway bar is bolted to the center subfame whenever he had to turn. But because no one's ever seen his sway bar before while it was still on there with his car on the ground, we can't say for sure what really happened, but that's the only thing we can come up with. The only solution we could think of is just to take it off. Sway bars aren't made to "decrease body roll" as one might think, they're just made so that the springs won't have to compress further and work less. It all starts with your springs.

 
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If you get Progress, be sure you make sure all parts are present before tearing your car apart. I just put both bars on, and each was missing a few minor, but essential nuts and bolts. Pretty damn inconveinent when you're into the installation late at night, and no hardware stores open.

 
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SlammedBlueEM2, your partially right. an Anti-roll bar's primary job is not to reduce body roll. however, for a street car, you can only put on so stiff of a spring, and the added roll resistance afforded by the anti-roll bar is a great help in keeping the tires contact patch flat.

An Anti-roll bars PRIMARY job is adjusting the Roll Couple Distrobution between the front and rear tires when turning. Roll Couple Distobution is the balance of weight transfered between the front and rear tires during cornering. FWD cars like ours, have a bit of a weight problem on the front end, causing the front tires to become overloaded and slide(Understeer). With an over sized Anti-sway bar you can force more of a cars weight to the back of the car durring a turn and in turn Lower the amount of understeer. This can also be accomplished by having a Higher spring rate at the back of the car then the front, as well as to a lesser extent having a higher ride height at the back of the car as this also forces more wieght to the rear. So to lower the amount of Understeer there are a few options that we can take, the easist and least ride quality destroying is geting a larger anti-roll bar on the back of our cars.

Autocross: Out here we race with our Steering wheels.