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SVT Shelby GT500
API SM/SN certified engine oils, and why NOT to use them.
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<blockquote data-quote="UnleashedBeast" data-source="post: 10345527" data-attributes="member: 112023"><p>Is that a typo, and you meant 5w-50, or you really are using 5w-20?</p><p></p><p>If you are using a 5W-20, change to at least a 5W-40 or 10W-40. My approved lists thus far for the GT500 is...</p><p></p><p>Red Line 5W-50</p><p>Royal Purple 10W-40</p><p>Amsoil 10W-40</p><p>Amsoil 20W-50 (summer heat only)</p><p></p><p></p><p>Future testing being considered:</p><p></p><p>Amsoil 5W-40 European</p><p>Amsoil 5W-40 Diesel (already confident with this formulation - similar to Rotella T6 5W-40)</p><p>Rotella T6 5W-40 (proven to be very reliable at BITOG)</p></blockquote><p></p>
[QUOTE="UnleashedBeast, post: 10345527, member: 112023"] Is that a typo, and you meant 5w-50, or you really are using 5w-20? If you are using a 5W-20, change to at least a 5W-40 or 10W-40. My approved lists thus far for the GT500 is... Red Line 5W-50 Royal Purple 10W-40 Amsoil 10W-40 Amsoil 20W-50 (summer heat only) Future testing being considered: Amsoil 5W-40 European Amsoil 5W-40 Diesel (already confident with this formulation - similar to Rotella T6 5W-40) Rotella T6 5W-40 (proven to be very reliable at BITOG) [/QUOTE]
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SVT Shelby GT500
API SM/SN certified engine oils, and why NOT to use them.
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