Rear spring heights.
#1
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Joined: Feb 2013
Posts: 75
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From: Minneapolis MN
Car: 92 Z28 convertible
Engine: 305 tpi
Transmission: Auto matic
Axle/Gears: 3.73
Rear spring heights.
I've had my 92Z about 7 years now. I put the stock springs back into the front. I just took the Eibach lowering springs out of the rear to go back to stock ride height. With the rear springs sitting on the floor, the Eibach's and the stock springs are the same height. Shouldn't the stock ones be taller?
#2
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Joined: Jan 2009
Posts: 139
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From: Howell, NJ
Car: 94 Camaro
Engine: 3.5 turbo
Transmission: Performabuilt 4l60E
Axle/Gears: Strange rear, 3.42
Re: Rear spring heights.
I'm not sure about the heights but the stock springs will compress more then the lowering springs due to the lower spring ratings.
#3
Thread Starter
Junior Member
iTrader: (1)
Joined: Feb 2013
Posts: 75
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From: Minneapolis MN
Car: 92 Z28 convertible
Engine: 305 tpi
Transmission: Auto matic
Axle/Gears: 3.73
Re: Rear spring heights.
I talked with Eibach and gave the serial number off one of my springs. They said it should be about 10% stiffer that the stock springs. But when i lean on both the stock spring and the Eibach one, the stock spring definitely feels stiffer. Both sitting on the floor are about the same height. Thanks for your reply.
#4
Senior Member
Joined: May 2006
Posts: 580
Likes: 68
From: Pittsburgh, PA
Car: 91 Formula
Engine: 2012 LS9
Transmission: 4L80E
Axle/Gears: Strange 60 3.54:1
Re: Rear spring heights.
There is a section of closely spaced coils at the top which is the take-up portion. The number of coils & spacing effects height & spring preload. Theses coils touch with weight of car on them. After weight is on the car, you then get the effective spring rate. You would need to put about 700lb on each & then compare the height to get an idea of the true compressed height.
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