3M 1.40

[Woodward James R Civ 412 TW/DRP (Test Ops)]

Before running my 170, I did take off the head and backplate and look
inside.  They use ball-bearings on the connecting rod If I remember
correctly.  Then, I put it back together and checked all the other bolts for
tightness and ran it.  
Jim

-----Original Message-----
From: AAbdu at aol.com [mailto:AAbdu at aol.com] 
Sent: Thursday, April 10, 2003 12:08 PM
To: discussion at nsrca.org
Subject: Re: 3M 1.40

I wouldn't necessarily suggest taking it apart, unless you just like doing
that sort of thing. Just give it a very thourough visual inspection and keep
an eye out for anything that seems to be a little "weird". At the very most
I might take off the head or the back plate (probably not with the pump back
there)and give it a look. Mike Darr is the owner of the engine I looked at
and he is on the list so he would probably be able to tell you much better
that I could what to look for. Overall I was very impressed with it. It is
possible but unlikely that 3M would go through the trouble of manufacturing
such an obviously high quality premium engine, then shoot themselves in the
foot by not paying attention to an important detail like clearing all milled
material before final assembly.  
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