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RSX Front Sway Bar

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Old Dec 1, 2004
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RSX Front Sway Bar

on the Type S, whats the size of this bar, and on our 7th gen coupes?

or will the Hatch one be better?

would it be better just to get a brand name one instead?

i have the type s rear sway bar.. pretty good.. was going to get the SiR one but im afraid my subframe will be toasted...
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Old Dec 1, 2004
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how can a front sway bar give me hp?
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Old Dec 1, 2004
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Originally Posted by 2K2SilverCivicSiR
how can a front sway bar give me hp?

Ignor that comment. I have very little patence for smart *** remarks in my forum.



The pre 05 RSX has a 22mm front bar, the si has a 25mm front bar. if you have an EX nither will fit.


what are you trying to do with the car? and what front bar do you have now?
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Old Dec 1, 2004
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Originally Posted by Zzyzx
Ignor that comment. I have very little patence for smart *** remarks in my forum.

haha i was about to, till i saw your post.

and just so we stay on topic go for a aftermarket swaybar.
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Old Dec 2, 2004
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i have stock front sway bar... but its like what... 16mm?

i have a Si Coupe(CAD.. so US would be EX)
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Old Dec 2, 2004
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What year?
http://www.sceniccityonline.com/arti...ybarspecs.html
Thank Bellz for the website.
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Old Dec 2, 2004
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Originally Posted by robbclark1
What year?
http://www.sceniccityonline.com/arti...ybarspecs.html
Thank Bellz for the website.

so would the 03 civic front sway bar fit on a 02 civic?
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Old Dec 2, 2004
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Originally Posted by PrcCivic
so would the 03 civic front sway bar fit on a 02 civic?
Yes, zzyzx has the stock smaller front sway. Any part between the years is interchangable as long as you have a stock front sway. If you don't have a stock front sway, you will need extra stuff to get it to fit.
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Old Dec 2, 2004
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i have a 2002 Silver Civic Si 5Spd(CAD Si, US EX)

im guessing this would be for the US civics, right...

so honda made the 2003+ civics with smaller sway bars then 2002...

so i have a CAD Si (US EX) i would have a 25.4mm front and 13mm rear sway bar... and the RSX? would the front fit also, i know the rear did coz i have the 19mm rear on...

Last edited by 2K2SilverCivicSiR; Dec 2, 2004 at 03:36 PM.
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Old Dec 2, 2004
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No, the front will not fit.. as the catlitic converter/exaust gets in the way.
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Old Dec 2, 2004
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so is it better to go aftermarket front sway or just stay with my stock front...
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Old Dec 2, 2004
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Originally Posted by 2K2SilverCivicSiR
so is it better to go aftermarket front sway or just stay with my stock front...

well, what are you trying to acheve with the car? You said that you have the 19mm rear bar, so whats the car doing that you dont like? maybe upping the front bar isnt the answer.
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Old Dec 2, 2004
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corner better...

i still feel lots of body roll... and wobbly
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Old Dec 2, 2004
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Wobbly is probably a shock issue... what springs are you running BTW?

and just to note.... Ignore how much body roll you are getting right now... How is the car actually handling i.e., when/where is it understeering/oversteering Ect... Body roll or the lack there of isnt a good indication of a well/poorly handling car... Meaning, i could tune the car to have 0 Body roll and still handled like crap....


Example of Body roll and a fairly well handling car...

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Old Dec 2, 2004
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wow.. is that you and your car... what you got?

i have H&R sport 1.3" drop... im deciding if i should go Tein STech or Neuspeed.. on stock shocks
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Old Dec 2, 2004
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I'm running Eibach Sportlines with Koni shocks, I've down sized the Front anti-roll bar from a 25.4mm to a 15.9mm, and I've upped the rear bar from a 13mm to a 25.4 2 point adjustible bar.

If you are satisfied with the springs, the next modification I would be looking at would be shocks... Tokico Hp's would work well, Koni if you are planing on autocrossing/open track.
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Old Dec 2, 2004
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Originally Posted by Zzyzx
well, what are you trying to acheve with the car? You said that you have the 19mm rear bar, so whats the car doing that you dont like? maybe upping the front bar isnt the answer.


so what could i get that would fit....i have a 19mm sway bar int he rear and i still want alittle less understeer...so if i got a smaller front i would get less understeer....correct?
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Old Dec 2, 2004
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wow.. you downsized the front a lot...

what did you do to reinforce your subframe? custom made plates?
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Old Dec 3, 2004
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Originally Posted by 2K2SilverCivicSiR
wow.. you downsized the front a lot...

what did you do to reinforce your subframe? custom made plates?
Plates for what? You only have to reinforce the subframe if you are running a LARGE sway bar. Besides, subframe reinforcement is illegal in STS. He was talking about getting a front tie bar, but i think spoon is the only legal one.
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Old Dec 3, 2004
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Originally Posted by PrcCivic
so what could I get that would fit.... I have a 19mm sway bar in he rear and I still want a little less understeer...so if I got a smaller front I would get less understeer.... correct?


Yes the car would understeer less, IF and only IF you were to increase the ammount of static negative camber on the nose of the car to counter act the increase in body roll/camber loss on the front end. If you cant, then you’re probably doing more harm then good. (See below)

Some advantages:
Lower spring rate (spring rate) = Higher mechanical grip = more front end traction = less understeer

Reducing the roll resistance on the front = a reduction of inside wheel spin on corner exit.

Disadvantages:
Necessity to run higher amounts of negative camber to counter act the increase in body roll = Decreased tire life for Daily driven streetcars.


Given the above, for a Streetcar, your probably better off increasing the size of the rear bar, rather then decreasing the front bar by such a substantial amount. Or pick up some adjustable shocks and tune them to reduce understeer, or tune more with springs... you could also try a few different alignments: shrug:


2K2SilverCivicSiR, I haven’t done any sub frame reinforcements as of yet. As Robbclark mentioned, I was looking at the Spoon front lower bar..... But I decided it really wasn’t worth the $$ for such an insignificant increase in performance (if any at all)
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Old Dec 3, 2004
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Originally Posted by Zzyzx
Yes the car would understeer less, IF and only IF you were to increase the ammount of static negative camber on the nose of the car to counter act the increase in body roll/camber loss on the front end. If you cant, then you’re probably doing more harm then good. (See below)

Some advantages:
Lower spring rate (spring rate) = Higher mechanical grip = more front end traction = less understeer

Reducing the roll resistance on the front = a reduction of inside wheel spin on corner exit.

Disadvantages:
Necessity to run higher amounts of negative camber to counter act the increase in body roll = Decreased tire life for Daily driven streetcars.

Given the above, for a Streetcar, your probably better off increasing the size of the rear bar, rather then decreasing the front bar by such a substantial amount. Or pick up some adjustable shocks and tune them to reduce understeer, or tune more with springs... you could also try a few different alignments: shrug:


2K2SilverCivicSiR, I haven’t done any sub frame reinforcements as of yet. As Robbclark mentioned, I was looking at the Spoon front lower bar..... But I decided it really wasn’t worth the $$ for such an insignificant increase in performance (if any at all)

ahh...ok......thanks alot for the info...
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Old Dec 3, 2004
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Originally Posted by robbclark1
Plates for what? You only have to reinforce the subframe if you are running a LARGE sway bar. Besides, subframe reinforcement is illegal in STS. He was talking about getting a front tie bar, but i think spoon is the only legal one.
i was thinking of getting a larger rear sway.. perhaps a EP3 Type R, its 22mm.... and i dont go AutoX.. i tried once... its was ok... its is AutoX your referring to right.. STS?
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Old Dec 3, 2004
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Originally Posted by Zzyzx
2K2SilverCivicSiR, I haven’t done any sub frame reinforcements as of yet. As Robbclark mentioned, I was looking at the Spoon front lower bar..... But I decided it really wasn’t worth the $$ for such an insignificant increase in performance (if any at all)
or would i much better of getting a XBrace or a Rear Upper Strut or increasing my Rear Sway bar to 22mm and put some Subframe Reinforcements? or all of them... lol
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Old Dec 3, 2004
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strut bars and sway bars do different things. Read the suspension tuning 101 in the autox forum. (BTW: STS is an autox class) It depends on what you want to do with the car. If you want oversteer and less body roll, get the rear sway. If you want to reduce chassis flex, then get the strut bars and underbrace.
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Old Dec 3, 2004
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haha.. can i do both... less body roll and reduce chassis flex...
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Old Dec 3, 2004
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Originally Posted by 2K2SilverCivicSiR
haha.. can i do both... less body roll and reduce chassis flex...
You can do whatever you want if you have the cash
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Old Dec 4, 2004
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so whats the best way to do that...

get Xbrace? bigger sway? rear upper strut?

i dont want a rollcage tho.. hehe
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Old Dec 4, 2004
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thre is no best way to do it. Just pick a part, see what it does and change later if you want. You won't feel much of a difference with any chassis brace, especially the rear strut bar.
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Old Dec 4, 2004
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so you would recommend underbody brace more then a chassis brace?
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Old Dec 4, 2004
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An underbody brace is a chassis brace, just for the subframe. Like I said, they won't have any effect on body roll. If you want to make the car from rolling, then get the progress sway bar set and a set of Grey's endlinks.
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