I will fit mine in front of the axle because it's mounted an inch further back, so it will straighten the shocks up both ways. It's got to be at least 6" forward with the spring clamps reversed.
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