Its bad for the transmission to change from forward to reverse while moving, and if you aren't using the brakes to stop before changing directions, you're using engine drag, which takes longer, and uses fuel. It's a fairly insignificant diff, but its there, and needed to be addressed.
__________________
"¿ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı"
|