anyone have an estimate for how much to cut off the coil springs to lower the car? i want to lower the rear 1" and the front 2". my car weighs ~3085lbs
need estimate on how much to cut off coil springs!
- Thread starter axeman
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i am wanting to adjust my suspension. i've been doing alot of reading on Baseline Suspension. i calculated that if i lowered the rear 1" and the front 2"s, my car should launch alot better. you think it would change the spring pressure rates to much by cutting them? my brother cut his in his GT that he had with no side affects. i could always run airbags.
rd
Founding Member
You could get the spring rates, they are in several Mustang reference books, and calculate the effect of specific amounts of cut.
I can tell you that the best way is to cut 1/2 coil, install them, measure the ride height, etc, and cut an added 1/4 coil and check it again.
I did that to the rear and it worked perfectly. I cut the fronts 3/4 coil and it was a bit too much. Front dropped about 1 3/4 inches.
It does change the overall spring constant, by increasing it, because the same amount of deflection now acts on less coils, so each one has to flex more for the same movement. Or, less movement gets it to the higher pressure.
I can tell you that the best way is to cut 1/2 coil, install them, measure the ride height, etc, and cut an added 1/4 coil and check it again.
I did that to the rear and it worked perfectly. I cut the fronts 3/4 coil and it was a bit too much. Front dropped about 1 3/4 inches.
It does change the overall spring constant, by increasing it, because the same amount of deflection now acts on less coils, so each one has to flex more for the same movement. Or, less movement gets it to the higher pressure.
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