<VV> Removing piston connecting rod caps & journal care
Chaz at ProperProper.com
Wed Nov 10 16:29:05 EST 2010
I am planning on replacing the bearings (once I figure out what size to
use), but want to avoid damaging the crank, or putting new bearings on a bad
crank, that will just chew up the new bearings ?
Thanks for the great tutorial !
----- Original Message -----
From: <kenpepke at juno.com>
To: <virtualvairs at corvair.org>
Sent: Wednesday, November 10, 2010 4:18 AM
Subject: <VV> Removing piston connecting rod caps & journal care
> How important this is kind of depends up which part of the journal the
> nick is located. If it is on the main thrust part one should take great
> care to not create any kind of a flat spot. Your description leads me to
> think yours is on the side of the journal. Either way, if you look very
> closely, a nick usually consists of two parts. 1. An area from which
> material has been displaced and is lower than the normal surface; 2. the
> displaced material which is higher than the normal surface.
> Do not be concerned with the area that is lower than the surrounding
> surface. Sandpaper of any type is not really the best choice so I would
> use a very fine honing stone and something like honing oil. Working with
> just a touch at a time. take off ONLY the portion which is higher than the
> normal surface. This is a fussy little job and very high power magnifying
> glasses and plenty of light are required. When complete the lower area
> will still be visible and the former higher area will be at the same level
> as the normal surface with NO flat spot.
> As long as you are starting with mostly new parts it would probably be
> wise to replace the bearing shell.
> Ken P
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