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

For those who have Progress Coilovers CSII

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Old Jan 6, 2011 | 07:48 PM
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Icon2 For those who have Progress Coilovers CSII

How is your shock holding up after several years? Two of my front KYB AGX needs to be replace, and i'm thinking of just get 2 Progress Coilovers replacement shocks and pair them up with Tanabe Pro springs.

I've talked to Progress, and their front shock would support 250-350+ lbs range without problem (since their default setup uses 350lbs anyway). Their replacement "coilover shock" is not too expensive, but i'm wondering about its quality.

Your feedback is much appreciated. Thanks!
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Old Jan 8, 2011 | 08:45 AM
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Default Re: For those who have Progress Coilovers CSII

I've had mine for maybe 4 years. One of them is blown. The rears are fine, just the front. Due to going far too low.
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Old Jan 8, 2011 | 09:19 AM
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Default Re: For those who have Progress Coilovers CSII

Originally Posted by codenamezero
How is your shock holding up after several years? Two of my front KYB AGX needs to be replace, and i'm thinking of just get 2 Progress Coilovers replacement shocks and pair them up with Tanabe Pro springs.

I've talked to Progress, and their front shock would support 250-350+ lbs range without problem (since their default setup uses 350lbs anyway). Their replacement "coilover shock" is not too expensive, but i'm wondering about its quality.

Your feedback is much appreciated. Thanks!
I absolutely love my set of CSII. I have not had them for years but the ride quality is excellent. I can't wait to hit the strip and parking lots this year.
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Old Jan 8, 2011 | 09:25 AM
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Default Re: For those who have Progress Coilovers CSII

I have them on my car only thing that sucks is I have 17'' wheels on it needs 15'' wheels.
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Old Jan 8, 2011 | 11:50 AM
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Default Re: For those who have Progress Coilovers CSII

I have them on my dc integra. 350F/350R spring rates. They were a decent buy overall. They ride ok but I'm not 100% satisfied with them. I'm not even low and sometimes my tires hit the seam up in the fender well. It caused a brand new set of tires to get ruined the first day I put them on. Just my .02
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Old Jan 8, 2011 | 08:09 PM
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Default Re: For those who have Progress Coilovers CSII

Originally Posted by sc34dc4
I have them on my dc integra. 350F/350R spring rates. They were a decent buy overall. They ride ok but I'm not 100% satisfied with them. I'm not even low and sometimes my tires hit the seam up in the fender well. It caused a brand new set of tires to get ruined the first day I put them on. Just my .02
How much did you lowered your ride? 2"? 2.5"? Were you running 17s perhaps? My current setup is Tanabe GF210, which is only 1.5" (and is low enough for me), so i might get away with it, if you are more than 2"+.

So far so good! Keep them coming. Thank you everyone for sharing your input.
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Old Jan 10, 2011 | 10:50 AM
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Default Re: For those who have Progress Coilovers CSII

Originally Posted by sc34dc4
I have them on my dc integra. 350F/350R spring rates. They were a decent buy overall. They ride ok but I'm not 100% satisfied with them. I'm not even low and sometimes my tires hit the seam up in the fender well. It caused a brand new set of tires to get ruined the first day I put them on. Just my .02
That's not the coilovers fault.
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Old Jan 10, 2011 | 11:00 AM
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Default Re: For those who have Progress Coilovers CSII

x2
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Old Jan 10, 2011 | 04:57 PM
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Default Re: For those who have Progress Coilovers CSII

x3
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Old Jan 10, 2011 | 07:34 PM
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Default Re: For those who have Progress Coilovers CSII

Originally Posted by sc34dc4
I have them on my dc integra. 350F/350R spring rates. They were a decent buy overall. They ride ok but I'm not 100% satisfied with them. I'm not even low and sometimes my tires hit the seam up in the fender well. It caused a brand new set of tires to get ruined the first day I put them on. Just my .02

Sounds like operator error to me.
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Old Jan 22, 2012 | 04:55 PM
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Default Re: For those who have Progress Coilovers CSII

Of course it's not the the coil overs fault and it's operator error. I installed them as instructed by progress. Cutting the bump stop in the proper place. How much to turn the perch up on the collar for a starting point. My fender measured 12" to the center line of my wheel just like they said to do. I have a 16" wheel with +40 offset and a 215/45 tire. I have a 2 finger gap between tire and wheel and about 1/2 of the threaded collar visible.
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Old Jan 22, 2012 | 05:16 PM
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Default Re: For those who have Progress Coilovers CSII

Originally Posted by sc34dc4
Of course it's not the the coil overs fault and it's operator error. I installed them as instructed by progress. Cutting the bump stop in the proper place. How much to turn the perch up on the collar for a starting point. My fender measured 12" to the center line of my wheel just like they said to do. I have a 16" wheel with +40 offset and a 215/45 tire. I have a 2 finger gap between tire and wheel and about 1/2 of the threaded collar visible.
Sounds very near to my setup, same height but 205/45/16 tires, and +33 offset.

I have 0 issues. I didn't preload my coilovers, and on dips in the road my tires to scrub the top of the fender well, but that's it. I've put 12,000 miles on mine now and 8 autocross events and the car drives like the day I put them on.
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Old Jan 22, 2012 | 05:45 PM
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Default Re: For those who have Progress Coilovers CSII

I have 205 tires now but prefer the 215 since that's the size the kuhmo xs is made in and I need a sticky tire. It currently doesn't rub but I also cut and hammered my pinch weld flat so the 215 might be okay now. I'll find out when I need tires again.
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Old Jan 23, 2012 | 04:26 AM
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Default Re: For those who have Progress Coilovers CSII

Originally Posted by BLK2DOOR
I have them on my car only thing that sucks is I have 17'' wheels on it needs 15'' wheels.
This is the only thing that I have a problem with. Anything bigger than a 16" rim and these are not suitable.
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