03-13-2012, 10:54 PM | #1 |
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H&R springs sag in rear?
Ive got H&R sport springs installed. had them for 2 years now. car has 8k miles on it and the rear seems to keep sagging. they are suppose to be 1.4" drop front and 1.3" drop rear. but im getting 1.3" front drop and 2.3" rear drop.
whats it look like to you? I contacted Tirerack where i bought them and they sent out a reply saying to check to make sure all the springs were in the upright position and in the right location. asked for before and after measurments, and pics of the side view of the car. hope they can help me out. im sitting at 660mm in the front and 641mm in the rear. measureing from the bottom of the rim to the center of the fender
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1990 IROC-Z Vert LS
1996 SS Vert LT4 1992 Z28 Z03 T5 1992 Z28 Z03 L98 2018 Sierra Denali 6.2 1997 Z28 Z4C 1995 Z28 |
03-14-2012, 01:03 AM | #2 |
Quit being a pu$$y
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Looks like you may have cut your rear bump stops and you weren't supposed to. Did you?
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03-14-2012, 07:42 AM | #3 |
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it was 2 years ago. I remember cutting 2 of them per the install instructions. but couldnt tell you what ones they said to cut. I'll look into it
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1990 IROC-Z Vert LS
1996 SS Vert LT4 1992 Z28 Z03 T5 1992 Z28 Z03 L98 2018 Sierra Denali 6.2 1997 Z28 Z4C 1995 Z28 |
03-14-2012, 09:44 AM | #4 |
Drives: wife says to many Join Date: Feb 2012
Location: Medina Oh
Posts: 65
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The chassis sits on the springs not the bump stops.
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03-14-2012, 09:59 AM | #5 |
Drives: 2010 Camaro, 2006 Z06 Join Date: Feb 2009
Location: SLC, UT
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The bump stops will not effect static ride height. As mentioned above the chassis is supported by the springs themselves, the bumpstops are there to provide a cushion between the body of the shock and the fork to prevent the strut assembly from bottoming out suddenly.
Don't worry about it being a bumpstop issue. If the car keeps getting lower there is something else at play here. |
03-14-2012, 03:52 PM | #6 |
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im waiting for a responce from tirerack about the problem. will update once they tell me what to do.
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1990 IROC-Z Vert LS
1996 SS Vert LT4 1992 Z28 Z03 T5 1992 Z28 Z03 L98 2018 Sierra Denali 6.2 1997 Z28 Z4C 1995 Z28 |
03-14-2012, 09:11 PM | #7 | |
Quit being a pu$$y
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If the car has been that low ever since you installed the springs then they may have lowered the car too much. If it has gotten progressively lower over the last two years then the springs may just be sagging. This happens with low quality springs.
Quote:
Here is a couple of pics to prove my point. Before cutting bumpstops AFTER cutting bumpstops
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03-15-2012, 09:30 AM | #8 |
Drives: wife says to many Join Date: Feb 2012
Location: Medina Oh
Posts: 65
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If your car is setting on the bump stops your handling sucks and is not safe. You should be setting on the springs and have the struts or shocks control josue.
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03-15-2012, 09:38 AM | #9 |
Móderator
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I have had H&R springs to almost two years with no problems. I know not much help...
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I'm not the one with the Atti2de problem it's everyone else that has a problem with my Atti2de!
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03-15-2012, 09:42 AM | #10 |
Drives: 2010 Camaro 2SS/RS Join Date: Mar 2008
Location: S.W. Florida
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I'm pretty sure he corrected this issue. I dought he's ridding around sitting on the bump stops (lets hope not). That would be a very rough ride. I think he was just showing the pictures to demonstate what the O.P. is describing.
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03-15-2012, 05:46 PM | #11 | |
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Quote:
H&R asked if i had cut the rear bumpstops and if so how much i cut. It was 2 years ago and i dont remember. I told them i followed their instructiions and if it said to cut them then i must have but am not certain. does H&R install call for cutting rear bumpstops? Then they wanted to know the gap between the center of the wheels center cap to the fender lip on all 4 corners. my ride isnt rough, my rear end is very bouncy and doesnt bottom out. i dont think bumpstops are the issue, i think the springs are crap
__________________
1990 IROC-Z Vert LS
1996 SS Vert LT4 1992 Z28 Z03 T5 1992 Z28 Z03 L98 2018 Sierra Denali 6.2 1997 Z28 Z4C 1995 Z28 |
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03-15-2012, 06:45 PM | #12 | ||
Quit being a pu$$y
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Quote:
Quote:
ANY car lowered as much as mine in that first picture IS sitting on the bumpstops if they weren't cut. That WILL give you a bouncy ride. That is why i recommend 1.0" to people.
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03-15-2012, 06:57 PM | #13 |
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I can push the rear down with ease even with it sitting so low. It hasn't always been this low. I think its gotten worse over time. No comparison to my buddys detroit speed springs. Even with almost the same drop rate. But his isn't sagging
__________________
1990 IROC-Z Vert LS
1996 SS Vert LT4 1992 Z28 Z03 T5 1992 Z28 Z03 L98 2018 Sierra Denali 6.2 1997 Z28 Z4C 1995 Z28 |
03-15-2012, 07:14 PM | #14 |
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the day i installed the springs the rear dropped 1.5" since then its dropped almost another full inch. maybe it is riding on the bump stops, but that would only mean the springs themself are the problem right? its not suppose to drop that much with the springs i have
__________________
1990 IROC-Z Vert LS
1996 SS Vert LT4 1992 Z28 Z03 T5 1992 Z28 Z03 L98 2018 Sierra Denali 6.2 1997 Z28 Z4C 1995 Z28 |
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