Welcome to the Ford Mustang forum built for owners of the Mustang GT350, BOSS 302, GT500, and all other S550, S197, SN95, Fox Body and older Mustangs set up for open track days, road racing, and/or autocross. Join our forum, interact with others, share your build, and help us strengthen this community!
I went to the 15W50 Mobil 1, went from using a quart every 1000 miles to 1 Qt every 3000 miles, my mechanic at the local Ford dealer in Miami gave me the blessing, if it is good enough for Nascar is good enough for your 2016 GT350
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