Lowering Springs Install
Lowering Springs Install
Would anyone possibly have some pictures showing step by step on how to install some lowering springs? I'm going to order some DropZone's for after winter, so some pictures would be really great. Thanks guys!
Supreme Member
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From: Fort Mill, SC, USA
Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
I installed Eibachs and pics are in the link in my sig. Hope you like.
Ed
Ed
Joined: Feb 2001
Posts: 13,757
Likes: 560
From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
ebmiller88
What isolators did you go with and where did you get them? I am using the stock ones and my springs rattle sooooooo bad. I am going to take them out to make sure that the isolators aren't shot. I know new ones are a lot thicker but i think that will be okay for my application. I have sportlines and everything just rattles so bad back there.
What isolators did you go with and where did you get them? I am using the stock ones and my springs rattle sooooooo bad. I am going to take them out to make sure that the isolators aren't shot. I know new ones are a lot thicker but i think that will be okay for my application. I have sportlines and everything just rattles so bad back there.
Hey thanks ebmiller....I've used your site before to help install stuff. It's real useful thanks
Would anyone else have some pics of the install preferably up close and shows the positioning of the lowering springs? Thanks
Would anyone else have some pics of the install preferably up close and shows the positioning of the lowering springs? Thanks Supreme Member
iTrader: (7)
Joined: Mar 2001
Posts: 6,420
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From: Fort Mill, SC, USA
Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Pretty much here's what you need:
http://f1.pg.photos.yahoo.com/ph/tar...c=ph%26.view=t
Make sure the upper end of the spring is fully seated in the upper spring seat and the lower end of the coil spring is between these 2 holes:
http://f1.pg.photos.yahoo.com/ph/tar...c=ph%26.view=t
Make sure the upper end of the spring is fully seated in the upper spring seat and the lower end of the coil spring is between these 2 holes:
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Supreme Member
iTrader: (7)
Joined: Mar 2001
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From: Fort Mill, SC, USA
Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Oh yeah...sorry. I initially went with the new (thicker) ones but I switched back to the ones the car came with, the ones on the right below. The rear sat too high with the newer ones.
Ed
Ed
Joined: Feb 2001
Posts: 13,757
Likes: 560
From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Originally posted by ebmiller88
Oh yeah...sorry. I initially went with the new (thicker) ones but I switched back to the ones the car came with, the ones on the right below. The rear sat too high with the newer ones.
Ed
Oh yeah...sorry. I initially went with the new (thicker) ones but I switched back to the ones the car came with, the ones on the right below. The rear sat too high with the newer ones.
Ed
Supreme Member
iTrader: (7)
Joined: Mar 2001
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From: Fort Mill, SC, USA
Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Nope...no difference. Both are GM isolators. The old ones are steel reinforced so they won't deform. You can find them on any 3rd gen. The new ones were all rubber.
Ed
Ed
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Joined: Sep 2003
Posts: 47
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From: nova scotia Canada
Car: 1987 ta
Engine: 355
Transmission: t 5
I have suspension tecques springs in my 87 ta. they are coming out soon the roads are too rough around here {ns can} but they make off ramps so much fun. i will not waste any more money on lowering parts till the roads get better.
Supreme Member
iTrader: (7)
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From: Fort Mill, SC, USA
Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
i will not waste any more money on lowering parts till the roads get better.
Ed
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Joined: Sep 2002
Posts: 34
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From: Silverdale, Wa
Car: 1984 Z28/ 1990 Plymouth Laser RS-Turbo
Engine: 1977 Chevy 350
Transmission: 5-speed
Where can I pick up a set of insulators. I need some bad as well as stock springs to replace my Dropzone's. The Dropzone's didn't fit in the control arms because they are too fat. Squeeky as all hell
.
. Supreme Member
iTrader: (7)
Joined: Mar 2001
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From: Fort Mill, SC, USA
Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Where can I pick up a set of insulators?
Ed
Ed
My car being a 92 can I assume I have the thicker isolator? If so, I can grab a set of the old style isolators from the boneyard to lower the rear just a bit? I recently put a set of Koni reds on the rear and they boosted it up about a half inch so this could get me back to normal height. Still higher than I like but could get me by for now.
What height difference did you notice between the two isolators?
My car being a 92 can I assume I have the thicker isolator? If so, I can grab a set of the old style isolators from the boneyard to lower the rear just a bit? I recently put a set of Koni reds on the rear and they boosted it up about a half inch so this could get me back to normal height. Still higher than I like but could get me by for now.
What height difference did you notice between the two isolators?
Supreme Member
iTrader: (7)
Joined: Mar 2001
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From: Fort Mill, SC, USA
Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
No, you should still have the isolators pictured on the right in the photo I posted. The newer ones on the left are brand new Gm pieces that I suspect to be for the 4th gen cars. You really won't know until you get under there and look and see what you have. BTW, the original rear isolators on my '91 RS look just like those on the right in the pic.
Ed
Ed
Joined: Jul 1999
Posts: 1,421
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From: Stavanger area, Norway
Car: 86 IROC Convt
Engine: 305TPI
Transmission: TH700R4
Just adding in a tech article I wrote on the spring install:
http://www.chevyworld.net/spinstall.htm

Ken
http://www.chevyworld.net/spinstall.htm

Ken
Member
Joined: Mar 2002
Posts: 244
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From: Seattle, Wa
Car: 89 Iroc-Z
Engine: 305
Transmission: T-5
what happens if you do not index the bottom of the front springs between those two holes. i cut my front springs and did not put them in with the bottom of the spring indexed between them. it feels great on dry roads but in the rain it feels squirly even going straight. could this be my problem?
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iTrader: (7)
Joined: Mar 2001
Posts: 6,420
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From: Fort Mill, SC, USA
Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
what happens if you do not index the bottom of the front springs between those two holes.
Ed
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Joined: Dec 2002
Posts: 725
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From: Vancouver, B.C.
Car: 87 GTA 120,000k, 90 CRX Si
Engine: 5.7 TPI, 1.6L 16 valve SOHC
Transmission: 700r4, 5spd std
Axle/Gears: 3.73
Re: Lowering Springs Install
but now i know why my front end sits so high after my prokit install. its almost twice as high in the front even tho the springs a good inch shorter.
ps.im not looking forward to doing this again tomorow. oh well live and learn.
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From: Sacramento
Car: 1992 Z28 L98 G92
Engine: 5.7 350 B2L
Transmission: 700 R4
Axle/Gears: 3.23
Senior Member
Joined: Dec 2002
Posts: 725
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From: Vancouver, B.C.
Car: 87 GTA 120,000k, 90 CRX Si
Engine: 5.7 TPI, 1.6L 16 valve SOHC
Transmission: 700r4, 5spd std
Axle/Gears: 3.73
Re: Lowering Springs Install
Senior Member
iTrader: (2)
Joined: Sep 2007
Posts: 616
Likes: 0
From: Sacramento
Car: 1992 Z28 L98 G92
Engine: 5.7 350 B2L
Transmission: 700 R4
Axle/Gears: 3.23
Senior Member
Joined: Dec 2002
Posts: 725
Likes: 1
From: Vancouver, B.C.
Car: 87 GTA 120,000k, 90 CRX Si
Engine: 5.7 TPI, 1.6L 16 valve SOHC
Transmission: 700r4, 5spd std
Axle/Gears: 3.73
Re: Lowering Springs Install
its suposed to be sunny this weekend so ill get some new pictures and post them soon
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Aug 26, 2015 03:32 PM







I'm glad you did. I would not have known to index the bottom of the front springs between those two holes. 
