hi have a 1997 sportster and was at the dealer friday and saw he still had the sport trans on the self for 6.99 a qt and the formula + for 9.99.I'm not asking for everyones opinion on all the other brands and whats better im just wondering if the formula+ is any better or what makes it 3 bucks a qt more.Bought 5 qts of sport trans any way had bike thats all i could get in my jacket