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J's Racing or Spoon Roll Center Adjuster
J's Racing Roll Center Adjuster - Honda Fit/Jazz 06-08 (GD3/GD4)
http://www.aj-racing.com/shop/images/T/t_1270-05.jpg WHAT IS ROLL CENTER ? While a vehicle corners, the movement of suspension is focused on the intersection (instant center) of the lines extended from the upper and lower suspension arms. The intersection between the line from where the wheel contacts the road to the instant center (Point P) and the vehicle Body centerline is the roll center (Point B). With the stock suspension, the appropriate roll center has already been set from the factory. (Fig. 1) ROLL INCREASES AFTER LOWERING? Simply lowering the car results in an increase in the distance between the center of mass (Point A) and roll center (Point B) of the vehicle, even though the center of mass has dropped. When the distance between Point A and B increases, roll stiffness decreases, causing an increase in the amount of roll. The amount of roll can be controlled with the use of stiffer springs, but ride quality etc. suffers as a result. Cornering speed does not increase like originally thought. (Fig. 2) ROLL CENTER ADJUSTED ! With the Roll Center Adjuster in place, the angle of the lower are is revised. Roll center (Point B) is once again close to the center of mass (Point A) of the vehicle. With the lowered center of mass and increased roll stiffness, the limit of cornering speed increases. ROLL CENTER ADJUSTER FF When a FF vehicle is lowered, the angle of the lower arm becomes poor, resulting in a significantly lowered roll center. Consequently, the amount of roll in corners increase and the cornering force is sacrificed. By extending the ball joint of the front knuckle, the position of the roll center is altered. Replacing the stock ball joint with this product will result in reduced roll, and cornering force as a result is increased. Steering response is alsoimproved. This product is the long-awaited part for FF vehicles. Details http://www.aj-racing.com/shop/skin1/images/spacer.gif SKU SKU1270 Weight 2.00 lbs Price: CAD $308.00 (Approx. USD $ 236.85) |
5 ZERO BUMP STEER ARM SET GD1/GD3
http://img297.imageshack.us/img297/2707/dsc00216mw9.jpg |
which one should i get? havent seen anyone do any test/ reviews with this product in a US spec fit. also will it fit US spec Fits?
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how much are the spoon RCA? is there any difference between the too? if not then just get the cheaper ones. I didnt even know spoon made those.. I know a few people have the J's
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they are the same
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then just get the J's because you have great support with AJ-racing.
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i think im gonna go with the J's, but not sure if they will fit the US Fits? im sure they will
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yes they will fit. i have the j's RCA on my car.
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do a search i already made a thread about this in the suspension thread.
kelso has these and from personal experience on his car he said your best bet would be to buy the LCA with roll center adj. on it. http://www.n1concepts.com/J_s_Racing...-fcja-f1-l.htm http://www.n1concepts.com/v/vspfiles...CJA-F1-L-2.jpg |
thanks, i think im just gonna go with the J's LCA combo and just install it myself
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Originally Posted by kelsodeez
(Post 602725)
they are a pain in the ass to install, and they are expensive but it makes your car feel more like it was supposed to be lowered from the factory. the drawbacks of them are, if you get a flat in the front, you cant use the spare tire. you will ruin your spare tire and the ball joints if you put the spare on. they are a PAIN IN THE ASS to install, and i mean shitty. i had one set but the anodized ring came loose and binded the ball joint in my control arm. i had to buy a new control arm and new roll center adjusters. just when you put them in, put some of the strongest loctite around the ribs that contact with the control arm and you will be good. ive never had problems with my sway bar end links being too short or too long because of them too. its a good investment but have a pro put them in and check them after a couple 100 miles to make sure they are sitting okay.
Originally Posted by kelsodeez
(Post 602776)
yea but its almost worth it just to buy the control arm with the ball joint already in it. like this.
thats what i would do if i had to buy a third set. the control arm from honda isnt the strongest of metal and if you dont use the proper press fitting, it WILL bend the shit out of your control arm. http://www.nengun.com/image/catalogu...r_adjuster.png |
bam haha there you go
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Originally Posted by da9r00d
(Post 620052)
thanks, i think im just gonna go with the J's LCA combo and just install it myself
good deal. probably going to wait awhile till you get them since there not instock |
i would get a set but i need to save up some money. $450 is a lot
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arent they like $450 per LCA?
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is it true that you must run 15" or larger wheels?
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yeah, theres a shop out here that orders from J's, ETA is long. so i got time to save. $450 is for both
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yeah there 200+ each
you get a better deal buying both but $450 doesnt include the shipping |
Originally Posted by Tofuman
(Post 620792)
is it true that you must run 15" or larger wheels?
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Originally Posted by redrumm
(Post 619770)
do a search i already made a thread about this in the suspension thread.
kelso has these and from personal experience on his car he said your best bet would be to buy the LCA with roll center adj. on it. J'S RACING FIT FF roll center adjuster arm ASSY The left http://www.n1concepts.com/v/vspfiles...CJA-F1-L-2.jpg However the RCA will fit on the USDM no problem...just annoying hard to install from what I heard. EDIT: If wish I have my lower control out so I can take photos of it.... |
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