how to keep piston rings in good shape?
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02-19-2014, 11:50 AM
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Join Date: May 2010
Vehicle: 2012 Mustang 3.7 M6
Location: South Carolina- Rock Hill
thats kinda weird ive seen the 4.6 engines run forever 76k miles is just breaking it in.
2012 mustang 3.7 M6 Black/Black/Black
JLT Intake 93R Bama tune Muffler delete SR Springs SR Panhard Bar and some other stuff
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