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    1. #1
      Join Date
      Sep 2010
      Location
      Beach Park IL
      Posts
      3,057
      Country Flag: United States

      Coil-over spring rate vs spring load

      So I am replacing a set of Aldan's with Afco's on an off topic car. It is a Heidt's superride on a 34 chevy. Front end weight is approximately 1300#.

      The afco is a 3" stroke model (Aldan was 3.5") so I am married to a 7" tall spring. I would like the rate to 350 lbs per inch but I need to support about 700 lbs per spring.

      So essentially I need to compress the spring 2" to support 700#. If this is correct can I run an 8" spring and install it with a strut compressor to assemble the coil overs? That would give me 1" of preload initally and 1" more as the suspension settles in to ride height and give me my desired spring load. Or is that a really bad idea?






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