[TR] Update on low oil pressure situation

DAVID MASSEY dave1massey at cs.com
Sat May 16 16:10:43 MDT 2020


 An easy fix.  Well, compared to pulling the engine.  Onward and upward.
 
Dave 

 
 
-----Original Message-----
From: andrew uprichard <auprichard at uprichard.net>
To: triumphs at autox.team.net
Sent: Sat, May 16, 2020 2:43 pm
Subject: [TR] Update on low oil pressure situation

<!--#yiv0370142402 _filtered {} _filtered {}#yiv0370142402 #yiv0370142402 p.yiv0370142402MsoNormal, #yiv0370142402 li.yiv0370142402MsoNormal, #yiv0370142402 div.yiv0370142402MsoNormal {margin:0in;margin-bottom:.0001pt;font-size:11.0pt;font-family:"Calibri", sans-serif;}#yiv0370142402 span.yiv0370142402EmailStyle17 {font-family:"Times New Roman", serif;color:windowtext;font-weight:normal;font-style:normal;text-decoration:none none;}#yiv0370142402 .yiv0370142402MsoChpDefault {font-family:"Calibri", sans-serif;} _filtered {}#yiv0370142402 div.yiv0370142402WordSection1 {}-->Story:  freshly rebuilt engine on a newly-restored TR3B.  Great pressure at start up but once the engine warmed, it fell like a stone.  Tried a new oil pump, replaced the oil filter head – still no luck.  So I finally found the problem.  When I plastigaged the rod bearings today I realized they were wrong.  The crank is obviously not the standard crank I thought.  However the mix-up occurred (probably too many cranks being handled at the same time) it was clearly my fault for not plexigaging the bearings before putting them on.  I thought I had, but we’ll have to put it down to a senior moment.  Thank you all for your suggestions!

Andrew** triumphs at autox.team.net **

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