Uncle Freddie Posted May 20, 2020 Report Share Posted May 20, 2020 We have a 2007 GT500 engine with about 40,000 miles going into a 2006 Mustang Pony Pkg body. Since the supercharger is off, changing the oil would be simple, therefore, why not. What oil do you recommend? Some say AC Delco is the same and cheaper than the Motorcraft full synthetic XL4. Quote Link to comment Share on other sites More sharing options...
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