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      01-27-2010, 06:07 PM   #53
rzm3
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Drives: E92 M3
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Quote:
Originally Posted by FrenchBoy View Post
I am sorry to say but the rationale from the OP seems over simplistic.

First, as other have mentioned, most springs - including OEM springs - have progressive rates (i.e. the K value in the spring force equation is not constant over the compression band; Force = k * x, where "x" is the the compression/elongation).

Second, aftermarket springs typically have higher rates along the compression band (determined mostly by coils diameter and geometry) which means that the forces acting against the compression of the spring are higher, which in turns creates the stiffer ride.
If a spring is well engineered, the ultimate force to fully compress the spring so that the shock hits the bump stop is so high that it probably never happens in real life.

And yes, you get less travel, but I am not sure that is detrimental to the handling of the car.

BTW, I have had H&R Sport Springs for over 8 months and many track/autocross days: No complaints. Love the ride and feel.
I think you are missing something here.

When a spring drops the front ride height by 1", you will be riding on the bump stop! This is a fact...
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