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Subject:2.1L Align bore and main bearings
From:Curt Lewis
Date:Wed, 3 Dec 2003 17:13:54 -0500

I am going to rebuild my 2.1L engine in my '85 vanagon.  I am not new to the
list but unsubscribed probably a year ago because the project got put on the
back burner.  The times I did use the list server in the past, I got great
responses.

The engine is tore down and the #1 main bearing was chewed up pretty good.
Running my fingernail across the #1 bearing journal of the crankshaft it
catches.  So either I need a new crankshaft or get this one turned down
and/or polished.  Turn down or get a new one?  I'd like new but will have to
make that call later.

My concern is align boring the crankcase and then deciding which bearings I
need.  I did a search of the archives of the list and some of the hits came
up about how to figure which bearing is needed and getting the right amount
of bearing crush.  I'm still confused on the proper way to determine it.  I
do understand that deciding which bearings I need depends on if I get a new
crank or reworked crank.

How do I determine proper bearing size, with respect to the case, and still
get proper bearing crush?
Should I send off the case and shaft to someone and let them figure it out?
Has anyone sent off their case and shaft to have them worked on?
If so who was it and how much did it cost?  Or what should the ballpark cost
be?
Should I skip the align bore and just get a new or reworked crankshaft? (I'm
thinking due to the damage of the bearing that an align bore might be
warranted.)
Does anyone know of a good  machinist in the Melbourne/Orlando/West Palm
Beach Florida area?

I plan on buying most if not all things new, but I feel I can't move forward
on anything until I get a good idea of what I need to do and how I'm going
to get it done with respect to the case and crankshaft.  I know this has
been hashed and rehashed on this list, but I just can't seem to find the
info I need.

Any thoughts would greatly be appreciated.  Thanks.

Curt

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