do NOT use the 70%
repeat: DO NOT use the 70%
ask me how I know
the rest is WATER
and it makes interesting sounds in the motor 
and I was barely able to get up the hill in Fountain Hills
I did get the truck passed, though, after the explosions were over - go figure
you will need to ask at the pharmacy counter to get the highest proof available (I think that is 98% or 100%, but comes only in relatively small bottles) - alternatively, go to a hardware store and get 100% - comes in larger cannisters
repeat: DO NOT use the 70%
ask me how I know
the rest is WATER
and it makes interesting sounds in the motor and I was barely able to get up the hill in Fountain Hills I did get the truck passed, though, after the explosions were over - go figure
you will need to ask at the pharmacy counter to get the highest proof available (I think that is 98% or 100%, but comes only in relatively small bottles) - alternatively, go to a hardware store and get 100% - comes in larger cannisters