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Re: Engine Help Required

To: Denise Thorpe <>
Subject: Re: Engine Help Required
From: "Christopher W. Reichle" <Christopher.W.Reichle@students.Miami.EDU>
Date: Wed, 20 Sep 1995 15:09:06 -0400 (EDT)

On Wed, 20 Sep 1995, Denise Thorpe wrote:

> Graham Naylor asked:
> > The engine has been apart for about 10 years, all the major parts are 
> > there but with one problem. Over the years the Main bearing Caps have 
> > become separated from the block, three of the five were either in 
> > place or are easily identified but the other two are identical 
> > (positions 2 and 4) and have become mixed up. What is the best way of 
> > ensuring they are replaced in the original positions.
> If you have the block line bored, it won't matter where the main caps 
> originally sat.  It's also a good idea to have the rods sized and the
> block surfaced, along with the usual machining.
> If you want to do the minimum machining, you can get these things, I
> can't rememember the name; they're like threads of Play-Doh.  You put
> a piece on the face of each journal bearing, assemble everything, torque
> it to spec, and then disassemble everything.  The width of the squashed
> thread tells you the clearance in that journal.  If you put the two main
> caps in question on, and the widths of the threads were very different,
> you'd know that you had them in the wrong places.  But if the widths were
> the same, it wouldn't tell you anything unless switching them made the
> widths very different.  I hope this makes sense.  Does anybody know the 
> name of these things?
> Be sure to clean out the oil gallery that runs the length of the block.
> It can be accessed from the oil filter hole.
> Denise Thorpe (whose last name suffers from the Middle English gratuitous 
> use of the letter "e")

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