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Re: 1500 Spitfidget engines

To: Keith Wheeler <keithw@sand.net>
Subject: Re: 1500 Spitfidget engines
From: Trevor Boicey <tboicey@brit.ca>
Date: Fri, 05 Dec 1997 17:22:30 -0500
Keith Wheeler wrote:
> 2)  Exactly what fails in the 1500 engine?  Everything
> I've read and seen says "lower end".  (We've got a
> 1500 Spit with a nice con-rod out the side block
> in it.)  Has anyone determined what is at fault?
> The crank?  The big-end journals?  The rods themselves?

  Big ends wear, causing play, which causes rod stress,
which causes failure.

  Also, thrust washers fall, causing motion and
stress and failure as well.

> Is this a prob that can be cured with some nice
> carillo rods?

  New bearings every 30000 miles is an equally good
fix, probably for less.
 
-- 
Trevor Boicey
Ottawa, Canada
tboicey@brit.ca
http://www.brit.ca/~tboicey/

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