Posted by Joe Cimoch [68.116.181.98] on Sunday, April 25, 2010 at 06:56:33 :
Time for an oil change in the Power Wagon. I have a six pack of Mobil 1 sitting on the shelf that I was considering using in the Power Wagon 251. I usually use 10W-40, no problems with that. Anyone switch over to synthetic in their flathead? Any issues or suggestions?
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