Suspension and Chassis Questions about your suspension? Need chassis advice?

I want to cut my front springs, how TO??

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Old Jun 29, 2002 | 04:13 PM
  #1  
KustomIroc's Avatar
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Joined: Aug 1999
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From: Miramichi, NB, Canada
Car: 1986 Pro Street Iroc-Z
Engine: 383 Stroker
Transmission: 700R4
I want to cut my front springs, how TO??

Hi Guys I know I read it somewhere and I know it is probably on this board but can someone give me the exact step by step instructions on how to lower my front spring by 2 inches by cutting them.

Thanks, Jamie
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Old Jun 29, 2002 | 04:24 PM
  #2  
Superman's Avatar
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From: Panama City Beach,Florida
Car: 1989 Camaro
Engine: 406
Transmission: Pro-built 700R4
Each half of coil you cut off the spring is roughly an inch. Use a cut off wheel to cut them off,never a tourch because it puts to much heat in he spring. You can cut the spring and make them work and look ok, but you would be a lot happier if you just saved up the money and bought a set of Eibach springs.
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Old Jun 29, 2002 | 04:53 PM
  #3  
urbman's Avatar
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From: Albuquerque NM
you would be a lot happier if you just saved up the money and bought a set of Eibach springs
Correction Eibach would be a lot happier if you sent them your
money

Actually if you sent me your money I would be happier.

You can do a fair amount with the spring selection at hand...
Roughly...
The springs you have are reasonably likely to be ...
Prod# Code Service #
- - ---------------------------------------------------- (+) Highest load
rate
14029399 BZY 14029399 |
14029398 BZX 14029398 |
14029397 BZW 14029398* |
14029396 CDB 14029396 |
14029395 BXY 14029396* |
14029396 BXX 14029396* (-) Lowest load rate


Rear Springs
______________________________________________________________________
67 RS w/F41 susp
87 Z28 w/FE2 susp

Prod# Code Service #
- - ----------------------------------------------------(+) Highest load
rate
10018083 NNB 10018092* |
10018092 NNM 10018092 |
10018091 NNL 10018091 |
10018093 NNN 10018091 |
10032969 NYB 10018091 (-) Lowest load rate
(from a post by stingerssx)

If you cut the springs you will be moving up in stiffness
If you start with a BZX spring or BZY you will be getting
mighty stiff and should consider a correspondingly stiff
strut.

Two inches is quite a bit ...
I would cut a half a coil and call it even...

Two inches will dramatically reduce the available travel
It will almost certainly result in a significant amount
of bump steer.

If you "must" have two inches...
and actually need to drive the car (other than styling)
consider dropped spindles....

As for doing it ...
look for ebmillers postings on front end rebuild
and add a step where you pull out your cut off
tool and cut the spring...
on front end rebuild
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