I'm mixing 1: 128
Fuel Oil:
2 Cycle Oil 138,000 BTU
#1 Kerosene = 132,000-135,000 BTUs
#2 Diesel Fuel (40 Cetane) 133,000 BTU
#2 Diesel Fuel (45 Cetane) 129,000 BTU
#1 Diesel Fuel (53 Cetane) 126,000 BTU
JP8(jet A fuel) = 138,000-141,500 Btu's
#4 Fuel Oil = 145,000 Btu's
#6 Fuel Oil = 150,000 Btu's