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</o:shapelayout></xml><![endif]--></head><body lang=FR-CH link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-family:"Garamond","serif";color:#44546A'>Gents, when heats becomes a problem then you should definitely try the Lucas oils. Measure temperatures before and after the change, the difference is usually quite big !<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Garamond","serif";color:#44546A'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=FR style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>De :</span></b><span lang=FR style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Fot [mailto:fot-bounces@autox.team.net] <b>De la part de</b> fubog1 via Fot<br><b>Envoyé :</b> mercredi 10 août 2022 19:25<br><b>À :</b> fot@autox.team.net<br><b>Cc :</b> fot@autox.team.net<br><b>Objet :</b> Re: [Fot] Final drive (differential) oil<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Bob you bring up another good point as well, there's a big difference between a 20 minute sprint race & an enduro, the heat is a much bigger consideration...<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Glen Efinger<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>-----Original Message-----<br>From: Bob Kramer Gmail via Fot <fot@autox.team.net><br>To: fubog1 <fubog1@aol.com><br>Cc: fot@autox.team.net<br>Sent: Wed, Aug 10, 2022 11:51 am<br>Subject: Re: [Fot] Final drive (differential) oil<o:p></o:p></span></p><div id=yiv4865240387><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Good point Glen. Welding up the center section makes the soft yellow metal cone washers moot. <o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>I’ve found EP90 GL4 from Car Quest (available from Advance) as a good substitute for StaLube GL4, but it overheats and failed us in endurance racing. It has always worked in the shorter vintage race, and is cheap enough the drain and refill often. <o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Sent from my iPhone<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><br><br><o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>On Aug 10, 2022, at 10:03 AM, fubog1 via Fot <fot@autox.team.net> wrote:<o:p></o:p></span></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> <o:p></o:p></span></p><div id=yiv4865240387yqt05668><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Welded rear gears aren't that fussy about lube, any good hypoid gear oil should be OK;<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>I usually use 80-90 Valvo in them.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>The metal in the sample is a different story, they normally don't "make" any metal in operation.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>You'll have to remove the cover & get a visual on things, check the lash, mesh pattern & preloads best possible in situ.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Glen Efinger<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>-----Original Message-----<br>From: Philip Gott via Fot <fot@autox.team.net><br>To: Friends Of Triumph <fot@autox.team.net><br>Sent: Tue, Aug 9, 2022 9:53 pm<br>Subject: [Fot] Final drive (differential) oil<o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Amici:<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>At the risk of opening Pandora’s box, May I ask what gear oil you would recommend for the rear end in my TR4A (solid axle)? I am running Mobil 1 75-140 and found some metal flakes on my magnetic filler plug after Pitt Race. Usually there are some whiskers, but the metal flakes are concerning. The rear end is a welded diff carrying a relatively new (3 seasons) 4.1 gear set. I have yet to pull the cover. Backlash seems “normal.” The rear end was set up by Quantum Mechanics whom I trust.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>What do you all run for oil (brand and viscosity) and what is your experience?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Thanks and regards,<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Phil<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Sent from my iPhone<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>_______________________________________________<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><a href="mailto:fot@autox.team.net" target="_blank">fot@autox.team.net</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><a href="http://www.fot-racing.com/" target="_blank">http://www.fot-racing.com</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Donate: <a href="http://www.team.net/donate.html" target="_blank">http://www.team.net/donate.html</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Archive: <a href="http://autox.team.net/archive" target="_blank">http://autox.team.net/archive </a><a href="http://www.team.net/pipermail/fot" target="_blank">http://www.team.net/pipermail/fot</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/fot/fubog1@aol.com" target="_blank">http://autox.team.net/mailman/options/fot/fubog1@aol.com</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>_______________________________________________<br>fot@autox.team.net<br><br>http://www.fot-racing.com<br><br>Donate: http://www.team.net/donate.html<br>Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot<br>Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/rkramer56@gmail.com<br><br><o:p></o:p></span></p></div></blockquote></div></div></div></div><div id=yqt65412><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>_______________________________________________<br><a href="mailto:fot@autox.team.net">fot@autox.team.net</a><br><br><a href="http://www.fot-racing.com/" target="_blank">http://www.fot-racing.com</a><br><br>Donate: <a href="http://www.team.net/donate.html" target="_blank">http://www.team.net/donate.html</a><br>Archive: <a href="http://autox.team.net/archive" target="_blank">http://autox.team.net/archive </a><a href="http://www.team.net/pipermail/fot" target="_blank">http://www.team.net/pipermail/fot</a><br>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/fot/fubog1@aol.com" target="_blank">http://autox.team.net/mailman/options/fot/fubog1@aol.com</a><br><br><o:p></o:p></span></p></div></div></div></div></body></html>