M MSP09 Member : 2003.5 MAZDASPEED Protege Sep 8, 2012 #1 What is the stock fuel pressure for a mazdaspeed protege 2003.5? Can I increase it and if so to what? I have 450cc injectors in the car. Thanks
What is the stock fuel pressure for a mazdaspeed protege 2003.5? Can I increase it and if so to what? I have 450cc injectors in the car. Thanks
D dacquesta1 Member : 2000 Mazda Protege ES Oct 13, 2012 #2 32-36 psi idle and 40-42 when revved if i recall correctly.
