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SVT Shelby GT500
Best oil to use?
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<blockquote data-quote="Daddys GT500" data-source="post: 10168785" data-attributes="member: 80491"><p>Wow...looks like a lot of you took a drink from the stupid punch.</p><p></p><p>Okay. This is ALL that matters, ONLY Castrol & Motorcraft 5W-50 is "endorsed" by Ford (I believe Roush/Valvoline is no longer).</p><p></p><p>If you use something else, and you "pop" your motor, your warranty will be voided. Of course most of us have modded our engines out of warranty. But should you get a gasket leak, etc. you warranty will be voided.</p><p></p><p>And yes, ford will have your oil checked.</p><p></p><p>Use what you want, and changing at full syn at 5K or 6 months is fine (unless you race).</p><p></p><p>Also 6.5 quarts...no more no less.</p></blockquote><p></p>
[QUOTE="Daddys GT500, post: 10168785, member: 80491"] Wow...looks like a lot of you took a drink from the stupid punch. Okay. This is ALL that matters, ONLY Castrol & Motorcraft 5W-50 is "endorsed" by Ford (I believe Roush/Valvoline is no longer). If you use something else, and you "pop" your motor, your warranty will be voided. Of course most of us have modded our engines out of warranty. But should you get a gasket leak, etc. you warranty will be voided. And yes, ford will have your oil checked. Use what you want, and changing at full syn at 5K or 6 months is fine (unless you race). Also 6.5 quarts...no more no less. [/QUOTE]
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Best oil to use?
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