<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Arial; font-size: 12pt; color: #000000'><P>I learned to never trust plastigauge. .0005 too tight on a race motor and it's all over with. A street motor may not care though</P>
<P>but still reading plastigauge can be a matter opinion or interpretation instead of a hard dimension.</P>
<P>Whatever became of the came bearing clearance point I read about, or lack of cam bearings. That seemed the most plausible.</P>
<P>I also read something about a crack in a main casting that caused similar symptoms.</P>
<P>jim g</P>
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<P><B>From: </B>"Andrew Packard" <apackard68@att.net><BR><B>To: </B>6pack@autox.team.net, fot@autox.team.net<BR><B>Sent: </B>Wednesday, September 25, 2013 3:50:26 PM<BR><B>Subject: </B>Re: [Fot] [6pack] tr250 oil pressure issue<BR><BR></P>
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<DIV style="RIGHT: auto"><SPAN style="RIGHT: auto">I'm the guy with the TR250 oil pressure problem. I replaced my oil pressure regulator spring with a HD one. The one I took out measured short and the new one was longer than spec from Bentley. It helped, but after I got well up to temp, pressure disappeared at idle and water boiled over. I'm travelling for work this week, so I dropped off my car with my mechanic friend with a new oil pump and some plastic gauge to check the bearing clearance. I'll find out the status soon. This is more than a little frustrating with Triumphest starting next week.<VAR id=yui-ie-cursor></VAR></SPAN></DIV>
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<DIV class=hr style="FONT-SIZE: 0px; BORDER-TOP: #ccc 1px solid; HEIGHT: 0px; BORDER-RIGHT: #ccc 1px solid; BORDER-BOTTOM: #ccc 1px solid; PADDING-BOTTOM: 0px; PADDING-TOP: 0px; PADDING-LEFT: 0px; MARGIN: 5px 0px; BORDER-LEFT: #ccc 1px solid; LINE-HEIGHT: 0; PADDING-RIGHT: 0px"></DIV><FONT size=2 face=Arial><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> Yahoo <brucesimms2003@yahoo.ca><BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> "6pack@autox.team.net" <6pack@autox.team.net> <BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Wednesday, September 25, 2013 8:22 AM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> [6pack] tr250 oil pressure issue<BR></FONT></DIV>
<DIV class=y_msg_container><BR>Did the guy with the oil pressure issue on his new 250 motor ever get this<BR>sorted? inquiring minds want to know. <BR><BR>I'm hoping to do a repeat on the<BR>San Diego mechanic with (300,000?) miles on his 250 and never did the bottom<BR>end. In the Triumph magazine article he said he just does regular oil<BR>changes with STP. I've shaved the head and a hotter cam so I may have added<BR>additional stress to the engine. my oil pressure hasn't deteriorated in 16<BR>years of ownerhip.<BR><BR>Cheers, Bruce Simms 73 tr6<BR><BR>________________________________________<BR><BR><A href="mailto:6pack@autox.team.net" target=_blank>6pack@autox.team.net</A><BR><BR>Donate: http://www.team.net/donate.html<BR>Archive: http://www.team.net/archive<BR>Forums: http://www.team.net/forums<BR>Unsubscribe: http://autox.team.net/mailman/options/6pack/apackard68@att.net<BR><BR><BR><BR><BR></DIV></DIV></DIV></DIV><BR>_______________________________________________<BR>fot@autox.team.net<BR><BR>http://www.fot-racing.com<BR><BR>Donate: http://www.team.net/donate.html<BR>Archive: http://www.team.net/archive<BR>Forums: http://www.team.net/forums<BR>Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/toodamnfunky@comcast.net<BR><BR><BR></div></body></html>