<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>The critical factor that must NOT be overlooked in this equation seems to be missing from the discussion.</div><div><br></div><div>It all depends on how much bypass you are getting past your piston rings. Fuel/combustion bypass will obviously cause oil dilution. So, you will end up with a wet liquid that is not performing as it should. False sense of security. After all, it's only been in for one event?</div><div><br></div><div>Cleaning and/or changing filters will not help this situation. You will in effect have 'lack of lubrication' through dilution. </div><div><br></div><div>I change my oil and filters after each event. It's the cheapest preventative maintenance I can do for my engine. Far cheaper than a rebuild, or replacing cam and lifters due to scuffing. </div><div><br></div><div>My 2 cents worth. </div><div><br><br>Regards<div>Peter Vucinic</div><div>CBA Rotative Engineers</div><div>Sent from Mobile Phone</div></div><div><br>On 13 Sep 2015, at 14:11, Chuck Arnold and/or Kathleen Kelley <<a href="mailto:triosan@gmail.com">triosan@gmail.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr"><div class="gmail_default" style="font-family:georgia,serif;font-size:small">Talked to the Brad Penn rep at the Kas Cup in Atlanta. He said 4 race weekends, but change the filter after each weekend.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Sep 12, 2015 at 5:54 PM, Scott Janzen <span dir="ltr"><<a href="mailto:sjanzen@me.com" target="_blank">sjanzen@me.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">So, how often? Every race weekend? Every third? I figure my average race weekend is about 3-4 hours of race time.<br>
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