VANAGON archives -- December 2003, week 1 (#231)

Date:         Wed, 3 Dec 2003 19:08:51 -0800
Reply-To:     Zoran Mladen <zmaninco@YAHOO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Zoran Mladen <zmaninco@YAHOO.COM>
Subject:      Fwd: Re:      Re: 2.1L Align bore and main bearings
Content-Type: text/plain; charset=us-ascii
Thanx Zoltan,

I was typing too fast.  Zoltan is correct, the correct
conversion when looking for oversize bearings is:

.010" = .25mm
.020" = .50mm

Z

--- zolo <zolo@foxinternet.net> wrote:
> From: "zolo" <zolo@foxinternet.net>
> To: "Zoran Mladen" <zmaninco@YAHOO.COM>
> Subject: Re:      Re: 2.1L Align bore and main
> bearings
> Date: Wed, 3 Dec 2003 16:35:02 -0800
>
> There could be a misunderstanding with the metric
> and inch conversion.  What
> I see; 0.025mm equals 0.010" is not correct.  It
> should be 0.001" or the
> metric should be 0.250mm.
> Zoltan
> ----- Original Message -----
> From: "Zoran Mladen" <zmaninco@YAHOO.COM>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Wednesday, December 03, 2003 4:13 PM
> Subject: Re: 2.1L Align bore and main bearings
>
>
> > You will need to get bearings to match the align
> > boring and grinding you have done.  You will need
> to
> > take the case and crank to a machine shop to have
> them
> > look at it.  If the damage is minimal, they can
> bore
> > and grind each one .025mm (.010").  If the damage
> is
> > substantial, they will have to bore/grind .050mm
> > (.020").  The case can be ground to one dimension
> and
> > the crank to another - they do not have to be the
> > same.  Once this is done. you can order your
> bearings
> > and begin the rebuild.
> >
> > Z
> >
> >
> > --- Curt Lewis <curtis-l-lewis@CFL.RR.COM> wrote:
> > > 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
> >
> >
> > __________________________________
> > Do you Yahoo!?
> > Free Pop-Up Blocker - Get it now
> > http://companion.yahoo.com/
>


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