front spring indexing question
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Joined: Jul 1999
Posts: 632
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From: London ON Canada
Car: 87 IROC
front spring indexing question
I got my car all back together after rebuilding the suspension on my car. Once i had the car lowered, I drove it around the block to get the suspension settled. After, I went back and measured the ride height of the car. I installed Moog 5662/5665 springs. The fronts had 1/4 coil cut off, the rear 1/2 spring. My ride height measured
LF 27 5/8" RF 28 1/4"
LR 28 1/2 RR 29 1/4"
I'm going to trim the springs a little again to get the ride height where I want. What I would like to know is how much of an impact does the front spring indexing have on ride height. The LF spring is near the middle of the two holes, close to the 2nd hole. The RF spring is only covering the first hole about 3/4 of the way. Would this difference between the two springs account for the difference in ride height between the front sides?
LF 27 5/8" RF 28 1/4"
LR 28 1/2 RR 29 1/4"
I'm going to trim the springs a little again to get the ride height where I want. What I would like to know is how much of an impact does the front spring indexing have on ride height. The LF spring is near the middle of the two holes, close to the 2nd hole. The RF spring is only covering the first hole about 3/4 of the way. Would this difference between the two springs account for the difference in ride height between the front sides?
Joined: Aug 2006
Posts: 12,803
Likes: 103
From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: front spring indexing question
there would be a difference, but not much between your current setup.
Also, dont measure height from the ground either. If its not perfectly level, the measurements will be off. If you have different wear, or different tire pressure, your measurements will be different as well. Your better measuring from the wheel to the fender
Also, dont measure height from the ground either. If its not perfectly level, the measurements will be off. If you have different wear, or different tire pressure, your measurements will be different as well. Your better measuring from the wheel to the fender
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Joined: Jan 2012
Posts: 2,027
Likes: 33
From: Washington State
Car: 1983 BB 1995 Z28 Camaro's
Engine: 454-350
Transmission: TH350-4l60e
Axle/Gears: 373 posi-Stock
Re: front spring indexing question
What would you do to do that maybe hold a level on the edge of the rim?
Joined: Aug 2006
Posts: 12,803
Likes: 103
From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Supreme Member




Joined: Jan 2012
Posts: 2,027
Likes: 33
From: Washington State
Car: 1983 BB 1995 Z28 Camaro's
Engine: 454-350
Transmission: TH350-4l60e
Axle/Gears: 373 posi-Stock
Re: front spring indexing question
All right thanks for the information, seems like the more projects I finish on my car there are always two more to do.
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