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<div dir="ltr" data-setdir="false">The oil filter shootout was Season 6, episode 5 of Engine Masters. I just watched it again. Filters made no difference in HP. They even tried no filter, with no HP difference. The top 3 flowing (of the 3/4-16 threaded filters) were K&N Gold, Wix and Wix Racing. The K&N had then best micron rating at 10 microns. Wix racing filter has 60 micron rating and the regular Wix is 20 micron. Wix 51515 and 51515R are 3/4-16 threaded filters. </div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">This aired in December 2021, thus does not take into account any recent changes by the manufacturers. </div><div dir="ltr" data-setdir="false">JoeB</div><div><br clear="none"></div>
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On Thursday, January 2, 2025 at 11:09:49 AM EST, Joe Boruch via Fot <fot@autox.team.net> wrote:
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<div dir="ltr">Engine Masters on Motor Trend TV did an episode where they tested various oil filters and how they affected HP and oil pressure/flow. As I recall, the R filters made negligible difference in HP. As a result I continued the use Wix Gold filters that were not R. I last bought Wix Gold 51515 filters in early 2024 and have not noticed any difference in construction when I open each of them up. JoeB</div><div><br clear="none"></div>
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On Thursday, January 2, 2025 at 02:37:22 AM EST, Ken Hollar via Fot <fot@autox.team.net> wrote:
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