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2011-2014 Mustangs
Engine/Tuning
Synthetic Oils
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<blockquote data-quote="SVTStampede" data-source="post: 10789019" data-attributes="member: 38400"><p>Once again to clarify, I agree that 5w30 is probably the most ideal oil.</p><p></p><p>My concern is over people freaking out and possible voiding their warranties when in reality 5w20 is probably fine(not ideal) even with modified HP.</p><p></p><p>Are you sure about the warranty? I'll quote the manual.</p><p></p><p>"To protect your engine and engine’s warranty, use <u>Motorcraft SAE</u></p><p><u>5W-20 or an equivalent SAE 5W-20 oil meeting Ford specification</u></p><p><u>WSS-M2C945-A</u>. SAE 5W-20 oil provides optimum fuel economy and</p><p>durability performance meeting all requirements for your</p><p>vehicle’s engine. Refer to Maintenance product specifications and</p><p>capacities later in this chapter for more information.</p><p>Do not use supplemental engine oil additives, cleaners or other engine</p><p>treatments. They are unnecessary and could lead to engine damage that</p><p>is not covered by Ford warranty."</p><p></p><p>They don't say Motorcraft 5w20 or other oil meeting Ford spec, they specify 5w20 Ford spec. And honesty Ford's rep isn't the best right now for warranty and service.</p><p></p><p>Thoughts?</p></blockquote><p></p>
[QUOTE="SVTStampede, post: 10789019, member: 38400"] Once again to clarify, I agree that 5w30 is probably the most ideal oil. My concern is over people freaking out and possible voiding their warranties when in reality 5w20 is probably fine(not ideal) even with modified HP. Are you sure about the warranty? I'll quote the manual. "To protect your engine and engine’s warranty, use [U]Motorcraft SAE 5W-20 or an equivalent SAE 5W-20 oil meeting Ford specification WSS-M2C945-A[/U]. SAE 5W-20 oil provides optimum fuel economy and durability performance meeting all requirements for your vehicle’s engine. Refer to Maintenance product specifications and capacities later in this chapter for more information. Do not use supplemental engine oil additives, cleaners or other engine treatments. They are unnecessary and could lead to engine damage that is not covered by Ford warranty." They don't say Motorcraft 5w20 or other oil meeting Ford spec, they specify 5w20 Ford spec. And honesty Ford's rep isn't the best right now for warranty and service. Thoughts? [/QUOTE]
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