thanks al,thats exactly what i was looking for. have you used the on head spring tester? would it be better to buy a bench tester and pull the springs to test?
i n eed them for jessel,s on 572-13,s and t&d,s on indy sr,s.

68 cuda formula S 588" bb 5sp
70 CUDA CONVERT 500" 5SP (SUBLIME)
70 CUDA CONVERT 500" 5SP (PLUMCRAZY):TOO MUCH HORSEPOWER, IS ALMOST ENOUGH!