New H&R Race and Koni Yellows very bouncy on Midway to Stiffest Setting. Opinions? - Ford Focus Forum, Ford Focus ST Forum
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Old 05-25-2013, 09:07 PM   #1
Squareleft
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Question New H&R Race and Koni Yellows very bouncy on Midway to Stiffest Setting. Opinions?

So i finally got around to installing my suspension set up. I had a full svt swap and was pretty happy with it for the last 80-90k or so. I figured it was time to upgrade.
What i just installed today was:

Koni Yellows With Prothane front bump stops
KYB Front Strut plates w/ new bearings
H&R Race springs
Front control arms with Polys and Moogs
Reinforced Rear control arms with Polys
Eibach front and rear sways

Im new to this setup and its fairly agressive but i feel like firm or midway to firm is completely useless as my car is bouncing its ass off. More or less coming from rear or maybe thats the illusion. I am assuming its a spring rate issue. At least that would be my guess. On full soft it is a few steps above my svt suspension which im pretty happy with. Doesnt bounce much and is very firm. Is this pretty normal for the Foci or the race and koni combo? Any comparisons would be greatly appreciated.

BTW. i cut the stock rear bump stops as well about two bumps back to eliminate a bump stop shock type issue. Maybe i wasnt supposed to use the stock bellow and bump stops for the rear. But i wouldnt see why i shouldnt.

Thanks


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Old 05-25-2013, 09:19 PM   #2
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The race springs have a high spring rate. They are really stiff. That's why you're getting the bouncing. You're going to have to slowly dial them back until you're happy between comfort and handling.
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Old 05-26-2013, 12:26 AM   #3
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Went pretty hard on them on and off for about an hour and i think i blew out my right endlink. Getting a popping noise at the end of the drive while on off camber and certain bumpy roads. Coming from front right. Not much else it could be since i replaced nearly everything new. And have all 3 poly motor mounts. I replaced the left endlink today and figured i could save the right. It looked and felt decent minus some water intrusion. Filled with grease and hoped for the best. They had about 8k on them. 4th set already. However in my experience the endlinks rattle more than popping. but anything is possible and i suppose that putting a bar that is 50% more stiff in the front could cause it to pop.

All in all the car is still very neutral and predictable. Im super happy with the turn in.

Anyone have experience with massives front endlinks?
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Old 05-26-2013, 08:26 AM   #4
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I keep mine on the softest setting for DD use.
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Old 05-26-2013, 11:05 PM   #5
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definitely worth the dough. im happy the more i drive on them. replaced the right endlink today, adjusted and shaved off a few mm's on the shank of the pass motor mount. No more binding pop.
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Old 05-28-2013, 05:06 AM   #6
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i put mine on full soft for street, i dial them up for autox. I have heard cases where they will blow out prematurely if you have them stiff on the street.
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Old 05-28-2013, 09:30 AM   #7
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Posted by the Norm
Quote:
i put mine on full soft for street, i dial them up for autox. I have heard cases where they will blow out prematurely if you have them stiff on the street.
I find it weird that Koni has so much issues. At least in my eyes. When I was younger all I heard about was how konis are the greatest non height adjustable shock/struts. Now I have them I feel like they are waiting to go bad. I bought a set used and they were leaking around the adjuster. so I decided to buy new. When I ordered new they were Substantially leaking out of the box on the adjuster also and had to return them. I got my current setup and they had oil around the adjuster(trace) and just gave up and put them on.

Granted the price point is there. I paid 154 plus shipping per front. That's really not much. but I hear about people blowing these out instantly and them leaking no matter what. I guess we will see.
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Old 05-28-2013, 07:50 PM   #8
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i put mine on full soft for street, i dial them up for autox. I have heard cases where they will blow out prematurely if you have them stiff on the street.
I don't even know how you drive with these set full firm. I did it once by mistake and was bouncing all over the place.
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Old 05-28-2013, 08:00 PM   #9
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I don't even know how you drive with these set full firm. I did it once by mistake and was bouncing all over the place.
LOL. Agreed. I felt like a honda dreamer that cut his springs. i went 100ft from the shop driveway, got embarrassed, and adjusted to full soft on the side of the road.
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Old 05-28-2013, 08:01 PM   #10
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I was at track day making a run to a gas station and thought something was wrong with my car. Lol.
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