Thanks for the kind words everyone
When Jake was racing his 69 he tried a number of different springs at the track. He likes the way 700 lbs front and 500 rear felt the best. Vinnie bought Jake's old car and he is going to Optima runnng 700/500 combo. That set up is really for the big track more than autocross, but it still works well at either. That yellow corvette going to Optima was running a 1200 front 900 rear at VIR this summer. 2 schools of thought, heavy springs lighter bar or vice versa. Ron, with the blue mustang, just got either a 650 or 900 lbs spring for the front of his. Can't remember the exact rate. You will still needs shocks that can contol that high of a rate.
When I go back to a road course, I will run the 700 up front and 450's in the rear because that is what I happen to have sitting in my garage and tune from there. The ride is actually not bad at all with the higher rates, I think you would be suprised of how it rides and the feedback you get.
The only problem I see with the higher rates is I am losing a little bit of rebound travel at ride height. I have heard that most run a short light spring (150lbs) in conjunction with the heavy spring to get ride height correct.
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