<div dir="auto">Well that's exactly what I did on the 100R engine after the first build and the cam and most of the lifters were munted after less than 1000 miles.<div dir="auto"><br></div><div dir="auto">M</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, May 10, 2020, 5:23 PM Michael MacLean, <<a href="mailto:rrengineer.mike@att.net">rrengineer.mike@att.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Why do I keep hearing on initial start up immediately get it up to approx 2000 rpm and run it 20 minutes to bed in the lifters and cam.  Old wives tale.  I have seen it done.<div id="m_2387080721704755005yMail_cursorElementTracker_1589145805313">Mike MacLean<br><br><div id="m_2387080721704755005ymail_android_signature"><a id="m_2387080721704755005ymail_android_signature_link" href="https://go.onelink.me/107872968?pid=InProduct&c=Global_Internal_YGrowth_AndroidEmailSig__AndroidUsers&af_wl=ym&af_sub1=Internal&af_sub2=Global_YGrowth&af_sub3=EmailSignature" target="_blank" rel="noreferrer">Sent from AT&T Yahoo Mail on Android</a></div> <br> <blockquote style="margin:0 0 20px 0"> <div style="font-family:Roboto,sans-serif;color:#6d00f6"> <div>On Sun, May 10, 2020 at 2:09 PM, Michael Salter</div><div><<a href="mailto:michaelsalter@gmail.com" target="_blank" rel="noreferrer">michaelsalter@gmail.com</a>> wrote:</div> </div> <div style="padding:10px 0 0 20px;margin:10px 0 0 0;border-left:1px solid #6d00f6"> _______________________________________________<br clear="none">Support Team.Net <a shape="rect" href="http://www.team.net/donate.html" target="_blank" rel="noreferrer">http://www.team.net/donate.html</a><br clear="none">Suggested annual donation  $12.75<br clear="none"><br clear="none">Archive: <a shape="rect" href="http://www.team.net/pipermail/healeys" target="_blank" rel="noreferrer">http://www.team.net/pipermail/healeys </a><a shape="rect" href="http://autox.team.net/archive" target="_blank" rel="noreferrer">http://autox.team.net/archive</a><br clear="none"><br clear="none"><a shape="rect" href="mailto:Healeys@autox.team.net" target="_blank" rel="noreferrer">Healeys@autox.team.net</a><br clear="none"><a shape="rect" href="http://autox.team.net/mailman/listinfo/healeys" target="_blank" rel="noreferrer">http://autox.team.net/mailman/listinfo/healeys</a><br clear="none"><br clear="none">Unsubscribe/Manage: <a shape="rect" href="http://autox.team.net/mailman/options/healeys/rrengineer.mike@att.net" target="_blank" rel="noreferrer">http://autox.team.net/mailman/options/healeys/rrengineer.mike@att.net</a><br clear="none"><br clear="none"> </div> </blockquote></div></blockquote></div>