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ISC/bilstein combo question

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Old 06-20-2011, 11:04 PM
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Default ISC/bilstein combo question

For those who've run ISC top hats in front with Bilsteins have you had any issues with fender rubbing with a 205/50/15?
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Old 06-20-2011, 11:12 PM
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No. Top hats don't effect fender/ tire clearance.
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Old 06-20-2011, 11:27 PM
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Mine did, but that was with Koni's. NB top hats and a bit of 4x4 stance kept the tires off the fenders.
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Old 06-20-2011, 11:43 PM
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Originally Posted by falcon
No. Top hats don't effect fender/ tire clearance.
Yes they do, because they're actually upper spring perches.
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Old 06-21-2011, 12:33 AM
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If you have non adjustable springs I can see it, but if you have sleeves care to explain how it effects fender clearance?
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Old 06-21-2011, 12:39 AM
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Because you want to hit the bump stops before coil bind or tire rub. The ISC top hats made the bumpstops fairly useless, as the fenders did a better job of limiting travel.
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Old 06-21-2011, 12:42 AM
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I have isc tops and I hit the stops before coil bind...
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Old 06-21-2011, 07:34 AM
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Originally Posted by falcon
No. Top hats don't effect fender/ tire clearance.

if they allow the shock to travel further into the body, thus allowing the tire to travel further into the fender wall, they certainly do affect fender/tire clearance.
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Old 06-21-2011, 09:23 AM
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I've run taller than ISC hats in front without rubbing. The 670# spring rate helps with that, however.
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Old 06-21-2011, 01:30 PM
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I'm planning on running 450# or 550# springs.
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Old 06-21-2011, 10:31 PM
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Well if it helps I ran the tops with bils and 550's in the front and did not rub with un rolled fenders on 15x7 +35 and 205/50/15 a032r.
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Old 06-22-2011, 08:06 PM
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I run NB mounts up front w/ 450# springs, 36mm FCM bumps (on Bilsteins)and am at 12" front for ride height. I do rub some of the parts that sort of project into the wells, but only during hard turns in autocross. ISCs give alot more travel than NB mounts though, so you might get some rub if your rates are too soft.

Last edited by Adam777; 06-22-2011 at 08:18 PM.
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Old 06-22-2011, 10:54 PM
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I'm debating-I made some 3/8 inch shock mount spacers. It might be safer to limit front shock travel a bit.
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