whats the difference between the pro version and the reg vsot? is the pro version have all those really high additives that was in it long time ago and does the reg version have the dumbed down additives that we see now?
2001 Lincoln Conti,RL,K&N,K&P SS Filter,Lubegard
2007 Grand Marquis,RL,K&N,K&P SS Filter,Lubegard
2010 Raptor,RL,K&N,CAI,K&P SS Filter,Lubegard