The calvert front shocks would help the launch on your car, although one or two guys have tried them on heavier cars and not liked them. Personally i love mine. Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36