<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>I have a TR4 and had similar numbers with Brad Penn 30wt break in oil (a year ago). Bentley manual fas the specs for setting the relief valve- 72 lbs at 3000 rpm?. I'd wait until after the break in period. I did adjust the relief valve screw but in the end it came out pretty close to where it started. I'm running 20w50 now.<br><br>Alllen</div><div><br>On May 13, 2015, at 5:15 PM, Gary Nafziger <<a href="mailto:nafzigerg@yahoo.com">nafzigerg@yahoo.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:24px"><div dir="ltr" id="yui_3_16_0_1_1431551181703_2877">Is there any concern over high oil pressure? On a newly rebuilt tr-3 motor I'm getting 80-85 lbs. of pressure at 60-65 miles per hour. I love the improvement in pressure but am wondering if it's too high.</div><div id="yui_3_16_0_1_1431551181703_3214" dir="ltr"><br></div><div id="yui_3_16_0_1_1431551181703_3213" dir="ltr">gary nafziger<br></div></div></div></blockquote></body></html>