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2012-2013 Boss 302 Mustang
Something to consider when the oil change topic happens here
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<blockquote data-quote="NCETRY" data-source="post: 10820995" data-attributes="member: 12020"><p>I may be wrong on this but I had read some time ago that the 5.4 used in the 2000 Cobra R, Ford GT, and GT500's required the 5w-50 due to the design of the lifters/lash adjusters in the heads. They are smaller than the typical mod motor lifter and the heavier weight oil was used to keep them pumped up. I could be wrong on this but thats what I have read.</p><p></p><p>I bet ford is using the 5w-50 in the Boss because they figure most buyers will be using them at the track.</p></blockquote><p></p>
[QUOTE="NCETRY, post: 10820995, member: 12020"] I may be wrong on this but I had read some time ago that the 5.4 used in the 2000 Cobra R, Ford GT, and GT500's required the 5w-50 due to the design of the lifters/lash adjusters in the heads. They are smaller than the typical mod motor lifter and the heavier weight oil was used to keep them pumped up. I could be wrong on this but thats what I have read. I bet ford is using the 5w-50 in the Boss because they figure most buyers will be using them at the track. [/QUOTE]
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2012-2013 Boss 302 Mustang
Something to consider when the oil change topic happens here
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