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2012-2013 Boss 302 Mustang
Official GT 5.0/Boss 302 UOA thread
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<blockquote data-quote="UnleashedBeast" data-source="post: 13274443" data-attributes="member: 112023"><p>Ace, </p><p></p><p>I also have a 11,000 mile oil sample of Royal Purple 5W-30 (non-HPS) sent into the lab as of today. It was used for 1 year in a 2004 Lincoln Towncar with the 4.6L 2V V8 from the Mustang. The previous year, I used Amsoil 10W-30 ATM for 10,300 miles, same time duration on both fills. The lab results will be back late this week. We will be able to compare them side by side. The good news is, this car has just shy of 100,000 miles on it, so it's well broken in. </p><p></p><p>This will be a great sample to compare both side by side. I already know Amsoil is going to win overall, and for ~$2.00 less per quart (everyday Amsoil preferred customer price versus standard off the self retail price for RP).</p><p></p><p></p><p></p><p></p><p>If you insist on Royal Purple, I'd stick with HPS. We really need more used oil analysis reports on it to see if it's actually shearing as was seen in a previous report. If the report is consistent with previous results, then Royal Purple is in deep trouble.</p><p></p><p></p><p></p><p>Ummh, dat dash!</p></blockquote><p></p>
[QUOTE="UnleashedBeast, post: 13274443, member: 112023"] Ace, I also have a 11,000 mile oil sample of Royal Purple 5W-30 (non-HPS) sent into the lab as of today. It was used for 1 year in a 2004 Lincoln Towncar with the 4.6L 2V V8 from the Mustang. The previous year, I used Amsoil 10W-30 ATM for 10,300 miles, same time duration on both fills. The lab results will be back late this week. We will be able to compare them side by side. The good news is, this car has just shy of 100,000 miles on it, so it's well broken in. This will be a great sample to compare both side by side. I already know Amsoil is going to win overall, and for ~$2.00 less per quart (everyday Amsoil preferred customer price versus standard off the self retail price for RP). If you insist on Royal Purple, I'd stick with HPS. We really need more used oil analysis reports on it to see if it's actually shearing as was seen in a previous report. If the report is consistent with previous results, then Royal Purple is in deep trouble. Ummh, dat dash! [/QUOTE]
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2012-2013 Boss 302 Mustang
Official GT 5.0/Boss 302 UOA thread
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