Suspension & Brakes Theory, alignment, spring rates....

front center roll adjusters mfactory

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Old Sep 30, 2009 | 07:53 PM
  #1  
eklum's Avatar
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From: you.es.aye.
Default front center roll adjusters mfactory

http://www.weaksauceparts.com/store/...at=2364&page=1
any one got any thing to say about them ?


"Increase steering response and stability with the MFactory Front Roll Center Adjusters.

When lowering your vehicle, although the center of gravity (CG) is lowered, this also lowers the roll center (RC) thus increasing the distance between the CG and RC. This imbalance to your suspension geometry actually increases body-roll, the exact opposite effect of what was trying to be achieved.

The common solution to this problem is to increase the spring rate to make up for this imbalance, but at the same time, this creates the harsh ride synonymous with stiffer springs. This is just a "band-aid" and does not solve the underlying problem.

By extending the ball-joint of the front lower control arm, the MFactory Front Roll Center Adjusters raises the RC and brings it closer to the CG, thus increasing the vehicles roll stiffness and eliminating any unwanted side-effects to the vehicles suspension geometry.

Includes Zerk Fittings for simple maintenance of ball-joints
"

seems logical and effective but to simple!
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Old Oct 1, 2009 | 09:32 AM
  #2  
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From: Macomb, MI USA
Default Re: front center roll adjusters mfactory

Lowering the outer end of the lower control arm will raise the front roll center of the vehicle. Raising the roll center closer to the center of gravity reduces the moment arm between the CG and the RC, and therefore reduces body roll during cornering. The only complaint that I have heard is that you can't get to the grease fitting while the cv shaft is installed. I want to buy some of these myself, and my car isn't even very low. They are an awesome idea.

-Tony
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Old Oct 1, 2009 | 03:18 PM
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Default Re: front center roll adjusters mfactory

sounds good more feed back honda tech!
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Old Oct 1, 2009 | 03:50 PM
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Default Re: front center roll adjusters mfactory

Some additional reading:

https://honda-tech.com/forums/suspension-brakes-54/any-civics-integras-using-js-racing-roll-center-adjuster-2070981/
https://honda-tech.com/forums/suspension-brakes-54/js-racing-spl-roll-center-adjuster-%7B-00000h-js-racing-%7D-2175335/
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Old Oct 4, 2009 | 12:32 PM
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Default Re: front center roll adjusters mfactory

does the search option actually work for everyone else? mine always searches for recent posts not relivant ones. thanks!
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Old Oct 5, 2009 | 04:20 PM
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Default Re: front center roll adjusters mfactory

Well ive driven with them installed on my hatch and i must say i will never drive a lowered honda without them....

I recently switched back to the oem ball joints so i could put new hubs/bearings/roll center adjusters in my new knuckles. prior to driving with the oem joints on, the car needed minimal effort to hold a turn at a high speed (like those semi-tight turns you see on off ramps or on the expressway) and the car overall had a much smoother ride. with the oems now i notice even more than before the RCA's that the car tends to follow road crowns and bump steers all the time (mind you this is with a new rack with new bushings and new bushings throughout the front end, including shocks and springs) as well as needing a lot of effort to make the same turns and needs to be corrected all the time so you cant hold the turn.

All in all, they are my favorite suspension mod in the many years ive driven a lowered honda. the only thing is, you cannot "slam" your car, being that the RCA is 3/4" taller than the stock ones and move the upper control arm closer to the shock tower. I didnt care that i had to raise the car (coilovers) to handle like this, id give up the slammed height. And buddy club has these now too, 30 dollars cheaper.
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Old Oct 5, 2009 | 04:26 PM
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Default Re: front center roll adjusters mfactory

Originally Posted by eklum
does the search option actually work for everyone else? mine always searches for recent posts not relivant ones. thanks!
Yes, search works perfectly for me.

If you can't get it to work, just use Google with the site restriction enabled.
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