Evans waterless coolant

Two Things

1st take timing out of your distributor give it 18 mechanical. 10-12 initial is a good starting point with your higher compression. I have 9:2:1 And can run 87 octane with no ping. rework your distributor.

2nd what kind of fan are you running? i run a 18 inch flex fan pulls a **** ton of air through the radiator. The stock fans are garbage.