XK8 / XKR ( X100 ) 1996 - 2006

Ride Height With H&R Springs

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Old Mar 21, 2023 | 09:03 PM
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Default Ride Height With H&R Springs

I recently completed a suspension overhaul with poly bushings in front, new upper and lower ball joints, sway bar links front and rear, ploy sway bar bushings, Wayne’s upper strut mounts, rear upper bushing, Bilstein B6 dampers, and H&R springs. Right now I have a big discrepancy in ride height, 15.25” front and 14.125” rear. The rear is way too low and the front could definitely stand to come down a bit, there’s still a larger than expected front gap between the fender and tire. Heights are from the wheel center to the fender lip. I have rear spring spacers on order to balance this out, but wanted to see if anyone else has experienced this big discrepancy in ride height when using H&R springs?
 
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Old Mar 22, 2023 | 04:02 AM
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How many miles have you done? Front should settle after 2-300 miles but 15.25 seems about right. Clearly you need to look into the rear. Did you put new springs on the rear ? If so I am suspicious they were correct spec? Did you compare new rears with the old ones?
 

Last edited by Pistnbroke; Mar 22, 2023 at 04:07 AM.
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Old Mar 22, 2023 | 06:22 AM
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15.25 to 15.5 inches in front is normal. Wayne and I installed his custom upper shock mounts into my 2015 Welsh bell housings last July. After a couple hundred miles of driving, the measurement settled at 15.25 and has remained there....
 
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Old Mar 22, 2023 | 06:39 AM
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were the rear springs by chance lowering springs?
 
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Old Mar 22, 2023 | 07:21 AM
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Front and rear springs were H&R lowering springs. I’ve double checked the spring set PN sent and they are correct for the X100, and I have emailed H&R tech support to request the rear spring part number so I can verify they are correct. Except for the height discrepancy they fit perfectly. I’ve probably done 400-500 miles so far.
 
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Old Mar 24, 2023 | 08:21 AM
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Still a bit baffled by this, put her on the lift yesterday and took apart the right rear, everything is properly assembled. Springs are the right PN per H&R, who otherwise wasn’t much help. I have spring packers and the required driveshaft spacer on order from SNC, so hopefully that can get me back to a respectable height. If not I can reinstall the original rear springs, which I’m afraid will make it look like a jacked up Camaro.
 
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