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Do you have a guestamate of the weight on the car?
Ralphy You need to figure out the angles of the shock in the car. This will change the spring rates. What rearend are you running, Jag, 8.8, 9"? What is the weight on the motor? Is your motor all iron or all Aluminum or partial aluminum upper end? A 200 pound differents in motor alone. With out this info a guestamate is the best I can do. You want the front to back weight ratio of 48/52% with your body weight in the seat. 12" springs for the front with a 325-350 spring rate. A good set of QA1 shocks all the way around. 7/8-1" front sway bar. This will be a starting point. You really need the car togeather with everything in it, then look at the stance and start measuring. There is a different between 2 shocks and 4 shocks for the rearend of the car for spring rates. Sears sells an electric angle meter, this will tell you the "%" increase of spring rate to off set the angle of the shock. High the angle the more spring rate to holdup and control the car. There are 2 good suspension books to look at Herb Adams, Chassis Engineering and Don Alexander's High performance handling. Rick L.
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