Re: Ground-Control coilovers
[quote author=myork link=topic=79667.msg2258946#msg2258946 date=1209005209]
They dont make coilovers for the focus - they make a conversion kit. While the parts are high quality the problem is you have to modify a set of struts/shocks to accept the sleeves. This involves cutting or grinding off the existing perches so that the coilover sleeves slip over and onto the strut.
I had a set of GC coilover sleeves, and the car rode nice, but they were very noisy. they jingled, clanked, squeaked and rattled constantly. I even tried to use JB Weld to hold the sleeve in place (the kit usually only comes with rubber grommets which wear away fairly quickly), but the constant movement would eventually break the JB free and start the squeakin all over again.
On the other hand, one of the things I liked best was that you only needed an allen wrench to loosen the adjustable perch to raise/lower the springs.
Another plus is you can use them over and over, when you blow a strut just go to Pep Boys and buy another, modify it, and slap it in. The down side to that is I personally would not spend big $ on Koni's or Bilsteins and modify them, any warranty is out the window with the first grind. And if you grind too deep and break the seal you are SOL.
I personally would not go that route again - If I were to go the coilover route I would get a kit that is all one piece with the threaded sleeve as an integral part of the strut body.
Now one of GC's full kits like those for the Mustang or BMWs... thats a different story
Most people with ground control get them for the adjustability on race cars, you can order the spring rate you want to have and have shocks valve for that spring rate. Off the shelf coilovers give you a set spring rate and if you want to change the springs, you would need to get your shocks re-valve.
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