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coil spring question

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Old 07-26-2010, 09:15 AM
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Car: 87 monte aerocoupe
Engine: 383 HSR w/ novi 2000
Transmission: Built 4l80e circle d converter
Axle/Gears: Currie 9" 3.89 gears
coil spring question

I am tired of looking at this, so I need to figure out a way to fix this. When I bought the car a few years back, the previous owner installed a set of moog 5610 springs in the front. The ride height now is 29.5 in the front and 27.5 in the rear. They are installed and indexed correctly also. I believe that the factory ride height is around 27.5. Should I cut a half coil off the springs or just buy the eibach prokit and do all four corners. I dont mind how the rear sits, but a little lower would not bother me either. I am just curious on what others would do to fix this.
Old 07-26-2010, 11:39 AM
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Re: coil spring question

Originally Posted by dellman83Z
Should I cut a half coil off the springs or just buy the eibach prokit and do all four corners.
I'd purchase the matched set.

JamesC
Old 07-31-2010, 03:46 AM
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Car: 92 RS
Engine: a slow one
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Re: coil spring question

Knowing the springs are recent I would just cut them. Do it right, big cutoff wheel, go slow, keep it cool, and it's fine. The spring rate stays the same unless you heat the metal too much.

I suspect a new set of Moog's sitting low enough will handle just as well as any Eibachs.

A coil off the front and half a coil off the rear of my Moogs gave me an awesome stance and it rides great.
Old 08-09-2010, 05:55 PM
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Car: 87 monte aerocoupe
Engine: 383 HSR w/ novi 2000
Transmission: Built 4l80e circle d converter
Axle/Gears: Currie 9" 3.89 gears
Re: coil spring question

I threw in a set of pro kits and then gr2 struts and monotube shocks in the rear also. I thought the front springs were going to be difficult, but it was almost as easy as the rears, surprisingly. I like the new correct stance and it rides so much nicer than before. Thanks for the replies.
Old 08-17-2010, 04:10 PM
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Re: coil spring question

Originally Posted by Dizturbed One
Knowing the springs are recent I would just cut them. Do it right, big cutoff wheel, go slow, keep it cool, and it's fine. The spring rate stays the same unless you heat the metal too much.
Rule of thumb cutting one coil off will increase spring stiffness by 10%
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