I am in the Indy car chassis design & tuning industry, and have tested out those 2 springs just for my interest. Your numbers seem to be off a little bit.
Here is the actual numbers converted in Kgf/mm on Roehrig Tester.
Regular
F - 7.5
R - 8.1
Nismo
F - 8.6
R - 9.3
Last edited by s30z; 09-03-2010 at 11:37 AM.
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