Quote:
Originally Posted by Texas F1
Neil, I'm getting a set of AST 5100s installed at Vorshlag in a couple weeks and I'm trying to decide on spring rates. They use the Hypercoil front and Swift rear springs for most applications. Some of the combinations I'm looking at are 450F/672R; 550F/784R; or possibly the stiffer 600F/900R. I'm leaning toward the middle combination of these three. Yours is closer to the softer selection.
For occassional track days, maybe some auto-x, and mostly recreational driving, any suggestions based on these options? I'll probably have the car lowered just slightly.
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AST5100 will most likely ride a bit stiffer on their own when compared to the RS1s. If you are not doing a dozen or so track days, I would actually go with the softer of the three set up, especially if its your daily driver. The ASTs will be good enough to compensate for the softer spring rates.