Just wanted to share some info I found by calling the tech dept. today.I called today and actually got ahold of a person in Tech that was very cooperative. I called Fed Mogul and United Engines and they gave me the CC's of the following cast pistons:
The forged do not seem to be a problem, they always list the cc on Summit. The 1.660 info should come in handy for the 428 crank into the 390.
Brand Part # Piston Style Compression Distance Pin Diameter Recessed area CC
Sealed Power H395P Flat w/4 reliefs 1.759 0.975 6.0 cc
KB Silv-O-Lite S1131 Flat w/4 reliefs 1.760 0.975 8.0 cc
KB Silv-O-Lite S1116 Dish w/4 reliefs 1.760 0.975 .073 deep by 2.690 Diameter 9.5 cc
Sealed Power H304P Dish w/4 reliefs 1.759 0.975 .080 deep by 3.220 Diameter 12.0 cc
KB Silv-O-Lite S1130 Dish w/4 reliefs 1.760 0,975 .147 deep by 3.000 Diameter 19.0 cc
KB Silv-O-Lite S1139 Dish w/4 reliefs 1.660 0.975 .075 Deep by 2.260 Diameter 9.5 cc
Sealed Power 381np Dish w/4 reliefs 1.660 0.975 .097 deep by 2.620 Diameter 11.7 cc
