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BoomBoomKid · 12-08-2010, 10:27 PM

If you race your 2011 5.0 Mustang and it breaks don't let your Ford dealer know you were racing it. It seems the 5.0 engines are having parts breakage. I was told by a Ford parts person that works in a well known SoCal Ford dealership bulletins have gone out noting piston scuffing, bearing oil starvation and high RPM instability occurring in the new 5.0 at an alarming rate. Which appears related to frequent high RPM situations. i.e. racing. Also be aware of modifications to the motor, the 5.0 does not like mods from stock. Seems this engine went from paper to design to a finished product in less than a year. Did Ford cut corners? Don't know. Most Ford guys are sticking with Ford Modular engine for very high HP.

12-08-2010, 10:27 PM	#10094
BoomBoomKid Drives: Gen 1 Gen 3 soon Gen 5 Join Date: Aug 2009 Location: D&G Racing Posts: 333 View My Garage	2011 Mustang 5.0 engine having reliability issues If you race your 2011 5.0 Mustang and it breaks don't let your Ford dealer know you were racing it. It seems the 5.0 engines are having parts breakage. I was told by a Ford parts person that works in a well known SoCal Ford dealership bulletins have gone out noting piston scuffing, bearing oil starvation and high RPM instability occurring in the new 5.0 at an alarming rate. Which appears related to frequent high RPM situations. i.e. racing. Also be aware of modifications to the motor, the 5.0 does not like mods from stock. Seems this engine went from paper to design to a finished product in less than a year. Did Ford cut corners? Don't know. Most Ford guys are sticking with Ford Modular engine for very high HP.