PINTO CAR CLUB of AMERICA
Shiny is Good! => Your Project => Topic started by: don33 on January 24, 2012, 01:09:45 AM
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to all the drag racers in the house. a question about leaf spring rates for drag racing I see replacement springs offered in various rates. 100, 125, 150 and 175. are the stiffer springs best for drag racing/traction...? what would you suggest ?
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I know on a rear coil spring car they use stiffer springs, not sure on the leafs though...
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The weight of the car, gear ratio, tires (slicks or drag radials), auto or standard...it all factors in. Too stiff of a spring rate won't plant the tires hard enough for optimum traction and too soft causes issues. I haven't had my wagon to the track yet but i'm leaving the stock springs in it for now to see how they work. My sedan that I was racing before had stock springs with 1 or 2 leafs removed. Whoever set the car up knew what they were doing because that hooked like crazy. The springs were soft enough to plant the tires very well. I have some video on You tube and you can see how well the tires planted. Not knowing your setup it's hard to say exactly what might work for ya. http://www.youtube.com/watch?v=zYa2npqblUw&list=UUuKeJrllmgd6Fozz23wt9OQ&index=7&feature=plcp (http://www.youtube.com/watch?v=zYa2npqblUw&list=UUuKeJrllmgd6Fozz23wt9OQ&index=7&feature=plcp)
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rear springs for drag racing are not the ideal set up for a pinto, ladder ber with ciol over shocks is what you need . spring rate for coil over should be determined by weight of car
NoForKin
9.81@135.87 qtr mile
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innitialy the car will probably end up weighing around 2300 lbs. figure around 450+ RWHP. it will have stock leafs, cal tracs, a C4 trans and most likely a 410 rear. this my most likely initial configuration.
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All you can do is try it unless you run across someone who has the setup your planning. Sometimes it's trial and error. How long before you have the car at the track?
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shooting for may....
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I hope to be ready to make a run to the track by then as well.