<div dir="ltr"><div class="gmail_default" style="font-size:small">Proper R/P breakin includes heat cycling the gears and allowing them to cool. Failure to heat cycle may lead to catastrophic failure. I would also jack up the rear end between sessions to see if the backlash is being maintained. </div><div class="gmail_default" style="font-size:small"><br></div></div><br><div class="gmail_quote"><div dir="ltr">On Wed, Sep 5, 2018 at 12:53 AM Greg Blake via Fot <<a href="mailto:fot@autox.team.net">fot@autox.team.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I would love to here the FOT experience in breaking in new differential gears. What has worked well for you in the past? <br>
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Last weekend, I was running the TR3 at Hallett with a brand new 4.55 gear set and it failed. I probably got 30 laps total in 4 sessions on track. I did not think to follow any set break in procedure with the gears and I am wondering if that is why they failed. <br>
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I am interested in the lists experience with brand new or new old stock ring and pinion break in. <br>
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Here is a pic of the failed set. <br>
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