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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="Grant808" data-source="post: 14233429" data-attributes="member: 74892"><p>No.</p><p></p><p> No, I don't know and can't know because it would depend on the samples and the actual HT/HS test results. What I am saying is that you don't know either. First, there is a big difference in the definition of SAE grades and the HT/HS spec. Second, one is more like a test of flow under pressure, and the other is more like the conditions in a crank bearing. The two properties don't need to change in lock-step.</p><p></p><p></p><p> From the road runners too or just the rebuilt GT500s? I'm all for more data. If you know of a lab that does HT/HS on used oil please post that up...I haven't found one. </p><p></p><p>I'd decline testing beyond 4 hours of track time myself. I don't really see the point. Penny pinching to run oil longer doesn't make sense when compared to the rest of the expenses from real track use.</p></blockquote><p></p>
[QUOTE="Grant808, post: 14233429, member: 74892"] No. No, I don't know and can't know because it would depend on the samples and the actual HT/HS test results. What I am saying is that you don't know either. First, there is a big difference in the definition of SAE grades and the HT/HS spec. Second, one is more like a test of flow under pressure, and the other is more like the conditions in a crank bearing. The two properties don't need to change in lock-step. From the road runners too or just the rebuilt GT500s? I'm all for more data. If you know of a lab that does HT/HS on used oil please post that up...I haven't found one. I'd decline testing beyond 4 hours of track time myself. I don't really see the point. Penny pinching to run oil longer doesn't make sense when compared to the rest of the expenses from real track use. [/QUOTE]
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2012-2013 Boss 302 Mustang
Something to consider when the oil change topic happens here
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