Rksport Coilovers, Opinions... - Suspension and Brake Forum

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Rksport Coilovers, Opinions...
Sunday, May 15, 2005 4:52 PM
I want to elminate the wheel gap. My question is, are the RKsport Coilovers going to bonce real bad on Koni Yellows, or will the dampening ability pretty much stop them from bouncing like crazy?

I rode in my buddies car that had Pro-Streets and his does the honda hop pretty bad.




Re: Rksport Coilovers, Opinions...
Sunday, May 15, 2005 6:43 PM
I have the rk's on yellows, and it rides fantastic. Not that bumpy at all. Depending how low you go, it gets a bit rough, but you can't expect it to ride completely stock. If I could do it again, I wouldn't change a thing/



Re: Rksport Coilovers, Opinions...
Sunday, May 15, 2005 8:00 PM
Steve W wrote:I want to elminate the wheel gap. My question is, are the RKsport Coilovers going to bonce real bad on Koni Yellows, or will the dampening ability pretty much stop them from bouncing like crazy?

I rode in my buddies car that had Pro-Streets and his does the honda hop pretty bad.



the prostreets ride way better than a sleve setup...

most people so far i have seen with the prostreet bounce around more since they have the height setting pretty much damn near or already slammed.

good for shows, not for riding around at or near the lowest setting.



doesnt matter what you get really, if you are gonna ride around with em pretty much close to the bottom, its gonna bounce around. they arent made to be ridden on like that at all.



Re: Rksport Coilovers, Opinions...
Sunday, May 15, 2005 8:03 PM
I don't plan on slamming them... I plan on just elimating the wheel gap and in the winters raise the car back up.. i just don't want to bounce like him, hes slammed.. front wheel is tuckin and back has like 1.5 finger width.



Re: Rksport Coilovers, Opinions...
Sunday, May 15, 2005 8:13 PM
Steve W wrote:I don't plan on slamming them... I plan on just elimating the wheel gap and in the winters raise the car back up.. i just don't want to bounce like him, hes slammed.. front wheel is tuckin and back has like 1.5 finger width.



EXACTLY my point.

i;ve had em since they first came out, i think i had the first set overnighted rksport sold. they are still runnin strong.

if he is slammed the reason why they bounce like that is because it has very little suspension travel or give.


it would be like you squatting, all the way as far as you could, then having someone drop you out a first story window.... when your feet hit the ground, your legs arent extended enough to soften the blow...

so basically for him, his tires are taking all the shock from the road and not the suspension as it should be. granted he might think "awww this looks cool" but they will be the first to complain and give out false statements like "prostreets are crap" once he has to replace one cause its damaged from being ridden on too low.



2 quick tips to remove wheel gap.....have the correct size tires. alot of people run smaller size cause thats what comes with wheel combo deals, however, its gonna decrease the height of the tire a bit and cause the need to lower more than you should.


also, shoot to keep the axles PARRALLEL to the ground. if you care about performance in any degree or dont wanna bounce around, dont excessively lower the car. sure it looks cool, but its a quick one way pass to blowing and damaging struts and suspension parts over a short period of time.


1.5 inches is especially ideal for the front, thats when the axles are parrallel to the ground. you can go a bit more, but the lower you go the more you sacrifice.



Re: Rksport Coilovers, Opinions...
Sunday, May 15, 2005 8:29 PM
So would you say that as long as I ride on them like i plan and not slamming them to the ground they should ride fairly nicely? I know it won't be as nice as stock, but I would hope they aren't too terrible



Re: Rksport Coilovers, Opinions...
Sunday, May 15, 2005 8:32 PM
that i can agree with to the fullest.


rksports are similar to ground control, and come with all the parts.


yellows are adjustable, so you wont have any damping issues there.



Re: Rksport Coilovers, Opinions...
Sunday, May 15, 2005 8:35 PM
Sweet, thats what i wanted to know! I was bouncing around in my head if the coilovers are going to be a good enough ride... if not the other option was koni with Pro-kit




Re: Rksport Coilovers, Opinions...
Sunday, May 15, 2005 10:12 PM
really you cant lose either way.... of course the pro kit will be the softer choice, but the coilovers will allow for adjustment of spring rates as well.






Re: Rksport Coilovers, Opinions...
Monday, May 16, 2005 5:52 AM
Event: Do you really think the Prostreets are better than a set of Konis with a proper sleeve kit? Just curious.

As for the RK Sport sleeves... I've always been of the opinion that they were just as good as the GC kit since they come with everything you need. Having worked with a kit recently though, the collars just didn't seem to be as high quality as the GC ones and the large plates that the front sleeves sit on were circles rather than the D-shaped ones GC supplies to ensure inside clearance. If I understand correctly, didn't RK originally deal with GC? This leads me to believe that their sleeve kit is now a slightly cheaper knock-off of the GC kit. Given the choice, I will be recommending the GC kit going forward, with the RK one as an acceptable, but not quite as good, alternative.

With either kit, the Konis can certainly keep them under control when used at reasonable ride heights. You'll have exactly as much bounce as you want.





Re: Rksport Coilovers, Opinions...
Monday, May 16, 2005 5:58 AM
I also think that Koni's and ground control is a good choice. Rk is good my only thing is the struts on them are not adjustable like Konis. I also have Koni reds and GC i like the ride on mine. Mine is about 2" drop and i love the ride. I want to upgrade to Yellows so i can adjust the damping level in the struts when needed. With GC you can get custom spring rate which i like. It is all in what you are looking for. I think the Ground controls and Koni yellow will hold out better on a lower drop than Rksport prostreets.

Even better if you can get on the group purchase for Gravanna Full coil over set that i think may be even better that what i mentioned. All those who have ridden on them have nothing but great things to say even at a 2" drop.


2004 Grand Prix GTP (Competition Group)
SOLD-->1999 Z24 5M-#30 to register on JBO
"You can please some of the people some of the time but you can't please all the people'
all the time



Re: Rksport Coilovers, Opinions...
Monday, May 16, 2005 8:16 AM
Wild Weasel wrote:Event: Do you really think the Prostreets are better than a set of Konis with a proper sleeve kit? Just curious.

As for the RK Sport sleeves... I've always been of the opinion that they were just as good as the GC kit since they come with everything you need. Having worked with a kit recently though, the collars just didn't seem to be as high quality as the GC ones and the large plates that the front sleeves sit on were circles rather than the D-shaped ones GC supplies to ensure inside clearance. If I understand correctly, didn't RK originally deal with GC? This leads me to believe that their sleeve kit is now a slightly cheaper knock-off of the GC kit. Given the choice, I will be recommending the GC kit going forward, with the RK one as an acceptable, but not quite as good, alternative.

With either kit, the Konis can certainly keep them under control when used at reasonable ride heights. You'll have exactly as much bounce as you want.


i actually do for a few reasons the pro streets edge out a sleeve kit made for the car.


-for most who complain about fabrication, although easy as nuts, prostreets are a direct put in

-mylife mentioned about the height ordeal, true you might can go lower, but from a function standpoint and performance, 1.5 is all anyone really needs to where the axles are parallel to the ground. the lower you go from there, thats just extra wear on the cv's. and being the prostreets dont go as low, keeps alot of clueless people from damaging their stuff, and then blaming the company for bad products, although some will. take notice most of the companies releasing full coilover kits arent making em so you slam your car, their making em from a performance aspect. anyone can cut or heat some springs and try to make their car look like a space cruiser hovering, but it takes talent research and testing to make a car handle, especially on streets that are really f-ed up

-the bearing race, for turning of the wheels is slightly larger and spread out over a larger are, and also enclosed. not really a big factor.

-the damping is auto adjusting, good for those who dont know what they are doing, but limited for those who are experienced or what to experience... this is the main reason why i am ready to upgrade again..

-sleeve kits with poorly adjusted struts still have the tendency to have the sleeve move, as opposed to the threaded body of a coilover setup made for the application in specific is carved on the body. the rears may or maynot be pressed on, but its more solid overall.

-the bumpstops on the prostreets or B+G ps2's (B+G makes em, same as the gravana coilovers i believe, but now the ones from rksport, are updated like the gravana ones -dual adjustable-- http://www.b-gsuspension.com/coilovers.php ) are solid stiff pieces, offer more resistance than the stock ones.



the adjustability of the strut def is a plus over the prostreets no doubt, but since B+G is releasing the gravana coilovers, that part has already been answered


you do have more adjustability, not just with dampening, but a change of the housing of the koni and you can go to springs or coilovers, the rears, remove or add a spring perch...so thats a plus, but i've always just favored a spring and strut combo, designed specifically to work with each other, and comes all together, like JIC, TEIN, KW, BG, etc...



Re: Rksport Coilovers, Opinions...
Monday, May 16, 2005 9:41 AM
Do you think i would have a lot of trouble in the winter if my car was on Eibach Pro-kit? Im only 18 and its the only car I have to drive, i don't think it would be that bad, just bring a shovel for good measure.



Re: Rksport Coilovers, Opinions...
Monday, May 16, 2005 10:08 AM
honestly, i doubt it. i know two people around here who drive on prokits in the winter, one being bubble guts with his AGX and signal 13 did so with his koni reds. all three of us drive throuhg baltimore and also to DC. no probs. although signal 13 had a raised nd exposed manhole cover issue with his front bumper but thats mainly because in baltimorre the sidewalks stay the same, but the streets actually sink.... no joke



Re: Rksport Coilovers, Opinions...
Monday, May 16, 2005 10:18 AM
Sweet, I guess my brand new RkSport Coilovers are for sell then.



Re: Rksport Coilovers, Opinions...
Monday, May 16, 2005 11:16 AM
If you have the coil over then just get the koni's.


2004 Grand Prix GTP (Competition Group)
SOLD-->1999 Z24 5M-#30 to register on JBO
"You can please some of the people some of the time but you can't please all the people'
all the time


Re: Rksport Coilovers, Opinions...
Monday, May 16, 2005 12:43 PM
Yeah, get the Konis and you'll be happy.

Note that most of Event's arguments for the Prostreets involve them being more foolproof so idiots don't get themselves in trouble.

I agree with him on those points, though I stand by my assertion that the Konis/GC combo is better, but only for someone who knows what they're doing and isn't just looking for a ricer slam.

The only advantage I see there is the better bearing design. Other than that, I've got it all covered. I've got everything properly installed so it's solid and might as well be a single unit. I've put in aftermarket bump stops because he's right in that using the cut down stock ones just doesn't cut it. And further, I've put on springs to specifically suit my needs.





Re: Rksport Coilovers, Opinions...
Monday, May 16, 2005 2:35 PM
Maybe I should clarify, I don't have prostreets. I have the typical Sleeve kit. My buddy has Prostreets on his and its slammed. Assuming thats why it bounces really bad.

Myself, I just want to get rid of the wheel gap and still have a fairly nice ride. I don't want to lower the car so much that im stuck during the winter time.



Re: Rksport Coilovers, Opinions...
Monday, May 16, 2005 4:09 PM
Wild Weasel wrote:Yeah, get the Konis and you'll be happy.

Note that most of Event's arguments for the Prostreets involve them being more foolproof so idiots don't get themselves in trouble.

I agree with him on those points, though I stand by my assertion that the Konis/GC combo is better, but only for someone who knows what they're doing and isn't just looking for a ricer slam.

The only advantage I see there is the better bearing design. Other than that, I've got it all covered. I've got everything properly installed so it's solid and might as well be a single unit. I've put in aftermarket bump stops because he's right in that using the cut down stock ones just doesn't cut it. And further, I've put on springs to specifically suit my needs.


dont forget the shortened strut issue, so that theres more travel under lowering thats one main reason i went with the prostreets. granted i had the money to do either, the shortened strut feature kinda sold me on that.



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