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<DIV>It is also very hard to measure what you really need to know which is</DIV>
<DIV>the clearance across the parting line. Micrometers and dial
bore </DIV>
<DIV>gauges to the rescue!</DIV>
<DIV> </DIV>
<DIV>art de armond</DIV>
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<DIV style="font-color: black"><B>From:</B> <A title=toodamnfunky@comcast.net
href="mailto:toodamnfunky@comcast.net">toodamnfunky@comcast.net</A> </DIV>
<DIV><B>Sent:</B> Wednesday, September 25, 2013 5:38 PM</DIV>
<DIV><B>To:</B> <A title=apackard68@att.net
href="mailto:apackard68@att.net">Andrew Packard</A> </DIV>
<DIV><B>Cc:</B> <A title=fot@autox.team.net
href="mailto:fot@autox.team.net">fot@autox.team.net</A> ; <A
title=6pack@autox.team.net
href="mailto:6pack@autox.team.net">6pack@autox.team.net</A> </DIV>
<DIV><B>Subject:</B> Re: [Fot] [6pack] tr250 oil pressure
issue</DIV></DIV></DIV>
<DIV> </DIV></DIV>
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style="FONT-SIZE: small; FONT-FAMILY: 'Calibri'; FONT-WEIGHT: normal; COLOR: #000000; FONT-STYLE: normal; TEXT-DECORATION: none; DISPLAY: inline">
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<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>
<P><BR><BR> </P>
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<HR id=zwchr>
<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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style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman, new york, times, serif; COLOR: #000; BACKGROUND-COLOR: #fff">
<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>
<DIV
style="FONT-SIZE: 16px; FONT-FAMILY: times new roman, new york, times, serif; RIGHT: auto; COLOR: rgb(0,0,0); FONT-STYLE: normal; BACKGROUND-COLOR: transparent"><SPAN
style="RIGHT: auto">Andy</SPAN></DIV>
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style="FONT-SIZE: 16px; FONT-FAMILY: times new roman, new york, times, serif; RIGHT: auto; COLOR: rgb(0,0,0); FONT-STYLE: normal; BACKGROUND-COLOR: transparent"><SPAN
style="RIGHT: auto"></SPAN> </DIV>
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style="FONT-SIZE: 16px; FONT-FAMILY: times new roman, new york, times, serif; RIGHT: auto; COLOR: rgb(0,0,0); FONT-STYLE: normal; BACKGROUND-COLOR: transparent"><SPAN
style="RIGHT: auto"></SPAN> </DIV>
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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"
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