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Old 10-17-2002, 07:56 PM's Avatar is offline
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spring ratings are like this a 200lb. spring means it takes 200lbs of weight to compress the spring 1in 400 to compress to 2in etc. the only to get the correct spring is to find out how much weight is on each corner of the car, how long the shocks are and where do you want the car to ride relative to shock length.if you have for example 1000 lbs on the axle and an 8 in shock you would want ride height to be approx 4in you would use approximately a 250lb spring, but you want to use the lightest spring that will work for the application for the best ride use the next lighter size like a 230. also you have to take into consideration the shock angle. so the easiest thing to do is call Carrera, or one of the street rod shock guys , lots easier on the brain.but you need the axle weight at each wheel.
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