Well, I'm running a .650 lift roller cam and will shift around 7200, traps possibly 7400. The springs are 250 closed, not sure about when open.

67 Dart GT Convertible 273
68 Barracuda 383
68 Roadrunner 383 4spd
1 '01 Ram 2500 4x4 diesel
2 '02 Rams 1500 4x4's 4.7s
3 '03 Rams 2 1500's 4x4 and 1 2500 hemi 4x4
Oh, and a 03 Grand Cherokee and an '00 durango smile