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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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                <div><br></div><div><div id="ydpd8f5d8d1yiv0074133446ydp21947281yiv8402765262ydp64b7a9ddyqt44110" class="ydpd8f5d8d1yiv0074133446ydp21947281yiv8402765262ydp64b7a9ddyqt2362051954">_______________________________________________<br clear="none"><a shape="rect" href="mailto:fot@autox.team.net" rel="nofollow" target="_blank">fot@autox.team.net</a><br clear="none"><br clear="none"><a shape="rect" href="http://www.fot-racing.com" rel="nofollow" target="_blank">http://www.fot-racing.com</a><br clear="none"><br clear="none">Donate: <a shape="rect" href="http://www.team.net/donate.html" rel="nofollow" target="_blank">http://www.team.net/donate.html</a><br clear="none">Archive: <a shape="rect" href="http://autox.team.net/archive" rel="nofollow" target="_blank">http://autox.team.net/archive</a> <a shape="rect" href="http://www.team.net/pipermail/fot" rel="nofollow" target="_blank">http://www.team.net/pipermail/fot</a><br clear="none">Unsubscribe/Manage: <a shape="rect" href="http://autox.team.net/mailman/options/fot/jaboruch@yahoo.com" rel="nofollow" target="_blank">http://autox.team.net/mailman/options/fot/jaboruch@yahoo.com</a><br clear="none"><br clear="none"><br clear="none"></div></div></div>
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