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Old 04-15-2015, 08:32 AM   #4
Andy4639
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Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
Talking Re: Front coil springs

The spring rate is how much the spring will compress when you load it. That being said, with all kinds of spring lengths the compression will make it a 1", 2" are 3".
It's a crap shoot as to how much drop you will get from a spring and even worse from a used one. Without knowing the spring rate and how much weight was put on it to begin with. If they had this spring on a truck and had a big block in it it may have compressed it to a smaller rate even though you can't tell it.
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver
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Get out and drive the truck this summer and have some fun!
It sucks not being able to hear!

LWB trucks rule, if you don't think so measure your SWB!
After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.
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