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Hi Justin,
Frankly, the figures just come from guesstimation. I assume the stock suspension has 6" travel and 80lb/in spring rate. So 480lb of force will get it bottom out. If I lower the suspension by 4" becoming only 2" travel, at least approx 240lb/in spring will be needed to stop the suspension from bottom out (provided that the vehicle weight is constant). I am not sure whether my assumption is correct or not and that's the reason I post here to ask for opinions.
I would like to obtain a spring rate which I can use as a starting point for my trial and error in the track. FYI, the attached map is the circuit which I will race. Each lap is 4.3km and the longest straight is about 800m. Any inputs for me are appreciated.
Thanks
Tim
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