The Cool Power Heli 30% LS (low smoke) is a 30/20 blend with Ultra High Viscosity and the regular Cool Power 30% Heli is a 30/22 blend with a low viscosity .
Im going to run the 30/20 blend today and see how many minutes I get compared to the regular 30/22 blend ( 12-13 minutes). we will see how that goes
here is a link to all the blends Morgan fuels has.
http://www.morganfuel.com/cp_blends.htm