My car is 12.7.1 and i run 50-50 pump 97 and 112 race fuel, my old motor was same comp as yours and i used the pump 97 only with .039 quench.
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