Quote:
Originally Posted by Nditiz1
I dont under stand having double springs on the front OR has the OP remove the spring rate from the torsion bars. The height of the front is mainly based on torsion spring.
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The second spring seen above is a tender spring, it's not very strong and doesn't contribute to the wheel rate, it's primary purpose to keep the spring stack in contact w/ both perchs
The tender isn't at all necessary. many dedicated track cars will not have them as they add a second and unnecessary and sometimes irritating set point in maneuver.
I don't use them on my 993
as to the t-bars the OP will need to respond,
Porsche started adding coil springs to their t-bar race cars back in the late '70s when they found that they couldn't fit big enough bars to get the wheel rates that they were after, the added coils would be stronger than a tender but less than a single main spring.