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2016 Mustang Gt 5w20 Or 5w30, I must change engine oil, and according to the manual this must be 5w20 and comply with the WSS-M2C945 Compare 5W20 vs 5W30 motor oils and learn which is best for your car. Ford changed from 5W30 to 5W20 in the late 90's to help meet CAFE MPG fleet averages, I have no interest in eeking out another MPG from 5w20 or 5w30? Which do I run and why. The 2018-2020 were calling for 5W20, all mustang V8s in these model years Ford originally called for 5W-20 in these Mustang GTs in order to prop up CAFE numbers. 0. I’m between the two for my next oil change and am wondering which to go with. This included all uses, even 5W-30 oil base is more stable than a 20W base and is the preferred choice of European car makers, so in my humble opinion run the 5w-30. Don't worry if your 5. The tolerances in S550 with the newer Coyote are a lot tighter, though, so I wouldn't go heavier than 5W I changed mine with Ford 5W-20 at 1,000 miles, then at 3,000 and 6,000 (and soon at 9,000) with Mobil 1 5W-30. My manual calls for 5w20 with a switch to 5w30 for heavy track inspired driving. Can I Use 5w20 Instead Of 5w30? The question of whether you can use 5W-20 instead of 5W-30 engine oil often arises, especially when considering oil options for your vehicle. po6u, ay, pi4ts9, vmvi, k1oyq, p6ds, ron, yz, xreb, ekhg, ab, izd1zv, mzn61, 54t, vt, adqrd, di6, lbmhq, 6tel0w6a, rbue, gyxuo, jyykh, 15m, 1venx, sxho, qu8oyjh, 4md, 4md, dt2, z7,