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Re: [TR] Oil Pressure

To: triumphs@autox.team.net
Subject: Re: [TR] Oil Pressure
From: Mark J Bradakis <mark@bradakis.com>
Date: Thu, 17 Sep 2009 19:58:49 -0600
> If I recall past discussions correctly, the Spit 1300 in particular had a
> problem with spinning a rod bearing (#3 ?) for no obvious reason at high rpm
> (way above original redline).  
\Are you talking about the Spitfire 1300 or the Spitfire 1300?

Okay, I'll explain.  The early 1296 found in Mark 3 Spits was based
on the original 1147 motor, which was based on the 9xx motor in the
Herald, etc.

The Mark 4 1296 and the subsequent Spitfiree 1500 was a completely new
design and block casting, using larger bearing crank journals and other 
differences
with a modest amount of sharing bits with the 2.5 liter TR6 motor and 
Mark 2/3
GT6 2 liter engine.

The later 1296/1500 engines did indeed have oiling issues.  Read Kas' books,
the problems are not insurmountable.

mjb.
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