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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
BBK makes specifec rate lowering springs and Progressive rate lowering spring and i have seen these terms used on other companys and i would like the differnt IF anyone know please respond
Specific and Linear Rate springs are the same thing, they both will compress at the same rate throughout the travel of the compression or rebound, Progressive Rate springs give more resistance as the spring is compressed (non-linear or exponential) the spring rate is dependant on the compression distance...