I have a 1966 Chevy that I cannot get to hook up! It has 3.73 gears, a turbo 350 w/ a 2400 stall, and a basic SBC with 325 Ft. Lbs. to the wheels at 2600 rpm. The rear is still "one tire fire" but I would like to change that. How involved is installing a spool? Basically what I am asking is what else do you need to install it? I am goind to change the gears out to 4.11 when this happens. Thanks alot!!