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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
Official GT 5.0/Boss 302 UOA thread
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<blockquote data-quote="JDos1" data-source="post: 12289810" data-attributes="member: 142262"><p>Not a bad choice. I prefer running the -30 in the 5.0...I've noticed it's a lot quieter than the spec'd 5w-20. </p><p>PM me, we should meet up sometime for a mountain run.</p><p></p><p>I've got Valvoline SynPower 5w-20 in it at the moment because it's going in for a little warranty work soon. Don't want any "oh that's voided" issues especially since my hometown dealership that I use for a warranty work just changed owners and idk if they've retained the same level of care in the service dept.</p></blockquote><p></p>
[QUOTE="JDos1, post: 12289810, member: 142262"] Not a bad choice. I prefer running the -30 in the 5.0...I've noticed it's a lot quieter than the spec'd 5w-20. PM me, we should meet up sometime for a mountain run. I've got Valvoline SynPower 5w-20 in it at the moment because it's going in for a little warranty work soon. Don't want any "oh that's voided" issues especially since my hometown dealership that I use for a warranty work just changed owners and idk if they've retained the same level of care in the service dept. [/QUOTE]
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Official GT 5.0/Boss 302 UOA thread
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