[Healeys] coil spring specs

[rjhco]

Stephen:



Here are the specs that I measured on my original front coil springs when I
had them out of the car:



Category                            Thousands               Fractional



Wire Diameter:                      .6125                   39/64



Coil Inside Diameter:               3.625                   3 5/8



Coil Outside Diameter:              4.850                   4  27/32



Coil Mean Diameter:                 4.250                   4  <



Number of Coils                     8                       8



Number of active coils              6.5                     6.5



Finish Type:                        Flat Ground on both ends



Free Height:                        10.50                   10   =



Compressed Length:                  6.85                    6 27/32



Compressed Pressure:                1460 lbs/inch



Spring Rate:                        400 pounds per inch



Mechanical Advantage in car         2:1



Suspension Vertical Stiffness       200 pounds per inch

(Wheel Rate)



Suspension Natural Frequency        1.35 cycles per second for 2200 lb car







Best regards,

Jim Hockert

Dallas, TX

BJ8 Open Roads Rallye