suspension question 07 gt/cs - Ford Mustang Forum
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post #1 of 4 (permalink) Old 04-02-2012 Thread Starter
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suspension question 07 gt/cs

2007 gt/cs. Stock wheels and tires (18"). I want to lower the car.
How low can i go in the front and back without them hitting the wheel wells (turning/potholes/etc)? I want sufficient clearence but also a lower car.
Thanks in advance,

2008 mustang gt/cs-vista blue
3.55s, tru fiber carbon fiber hood,halo tinted lights, sequential tailights, mgw short throw, eibach springs, bmr upper/lower control arms,tinted window, C and L cold air,OBX long tubes,off road h, magnaflow exhaust, dyno tune.
Pro Charger has been ordered!!!
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post #2 of 4 (permalink) Old 04-02-2012
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I have the frpp k springs. 1 inch in front, 1.5 in the back, no problems here. Still on stock 18s polished will want to upgrade shocks,struts,and get the gt500 strut mounts, and get an adjustable PanHard bar as well. No reason to have to take stuff apart like this more than once if you can avoid it.

2007 Grabber Orange GT Premium, 5 sp Manual,CDC Sequentials, 18 inch Polished wheels, Corsa Xtremes,FRPP Suspension,BMR Adj. PHB and Brace,Hurst Comp. Plus Billet STS, Steeda UDP's, JLT CAI
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post #3 of 4 (permalink) Old 04-04-2012
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On my coupe I have the FRPP "P" springs: -0.75 front, -1.0 rear. No interferences with 285-40 tires on 18x9.5 rims. They are a bit more bouncy than stock springs, but not as bouncy as the "K" or similar springs. "Bouncy" is part of "lower".

ADDED: 2014 GT 5.0A conv. black: electronics, comfort, security, CA plate (FLICK U); assembled 06-13-2014, delivered 09-25-2014; odometer today (03-21-2016) 4,321.5(--> DELETED --> 2013 5.06M coupe, black:: Odo LAST day (09-25-2014) 7,975) (--> DELETED --> 2008 GT/CS: Odo LAST day (10-22-2012): 9,719.3; #2075 of 2509 convertibles, #560 of 718 in Ebony. 2009 GT/CS: Odo last day (09-08-2012): 12,000.1; #34 of 1705 coupes, #3 of 377 in Performance White. <-- DELETED <--)
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post #4 of 4 (permalink) Old 04-04-2012
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Originally Posted by livinthedream View Post
2007 gt/cs. Stock wheels and tires (18"). I want to lower the car.
How low can i go in the front and back without them hitting the wheel wells (turning/potholes/etc)? I want sufficient clearence but also a lower car.
Thanks in advance,
You won't have any clearance issues on the stock wheels and tires. You could put air bags on the car and drop it literally to the ground. No problem.

However, the general consensus is that if you go lower than a 1.5" drop, it significantly degrades the handling and ride quality. UPR Pro Springs offer a 1.5" drop and they have a Lifetime Warranty.

2005-2012 Ford Mustang GT V6 UPR Pro Series Kit Lowering Springs by Eibach at UPR Products - Lifetime Warranty!

^^I have them on my car and I love em.

Like us at
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Ask me about the discount on UPR Products for AFM members!
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