Do your results vary when using supersuckers and by bigger i assume you mean the 2" ones. From other posts i've read, the feeling seemed to be that head limited motors benefitted more.
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