M mustang2k New Member Jul 31, 2005 25 0 0 Jan 23, 2007 #1 Jan 23, 2007 #1 how much hp can stock fuel injectors and fuel rails hold and i was thinking of doing a motor flush cause my car has 155k and what oil would be recommended i currently use royal purple 10w30
how much hp can stock fuel injectors and fuel rails hold and i was thinking of doing a motor flush cause my car has 155k and what oil would be recommended i currently use royal purple 10w30