high 5's would be unlikely, if the single speed is 7.20, the 2 speed would most likely be 6.5 and 8.7, so you might get to 55mph, but it wouldn't lower the RPM ..... for all that work
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
