you can still use the reverse youll need to press in a pease of brass in the hole you drill to move the tubeing i plain on doing this just havent and i dont intend on useing it anyway . ill see what size bit i used tomarrow . yes its not inteded to be used as cooling but it scurts out a stream 4-5 " long after going threw the motor coil . and 6-8" just in and out