Originally Posted by alecas447
I use synthetic valvoline 5w-20, not sure I spelled that right. It runs good.
Sent from my iPhone using Mustang Evolution
Personally, i would stick with 5w30. Synthetic is great. 5w20 gets thinner than the 5w30 at operating temperature. some people even use 5w40, but i wouldn't reccomend that unless you really know what your doing.
I use motorcraft 5w30 myself.
2002 GT 5sp. 16x,xxx miles
Steeda Exhaust, C&L plenum, BBK Throttle Body, Steeda Underdrive, Steeda short throw, unknown stage clutch. Rear main leak. Compressor seal leak. Steeda lower control arms. good tires.