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CMcAllister · 05-28-2021, 10:16 PM

For any situation, there will be 3 or more spring rates which will support the car at the desired ride height with the shock at the the desired center to center (which should be maintained). This will have the different rate springs compressed to different heights. Compressing a spring stores energy which makes the suspension more "lively".

Heavy springs compressed a little will react differently than light springs compressed more. Which you use depends on many things in your combination and personal preference. Lighter springs will usually require better shocks to control the housing, especially with ladder bars, certain 4 link settings and/or higher power levels, allowing you to tune it accordingly.

Marty's recommendation of 125# on that 14" spring (I assume) and the Santhuffs is likely spot on.

05-28-2021, 10:16 PM	#3
CMcAllister Senior Member Join Date: Sep 2006 Location: Fulton County, PA Posts: 614 Likes: 16 Liked 920 Times in 259 Posts	Re: Rear Coilover Spring Rate Help For any situation, there will be 3 or more spring rates which will support the car at the desired ride height with the shock at the the desired center to center (which should be maintained). This will have the different rate springs compressed to different heights. Compressing a spring stores energy which makes the suspension more "lively". Heavy springs compressed a little will react differently than light springs compressed more. Which you use depends on many things in your combination and personal preference. Lighter springs will usually require better shocks to control the housing, especially with ladder bars, certain 4 link settings and/or higher power levels, allowing you to tune it accordingly. Marty's recommendation of 125# on that 14" spring (I assume) and the Santhuffs is likely spot on.