<VV> question on main bearings

[Ron]

It was and maybe still is very common and is most commonly done by gauging 
during assembly.  It minimizes the rejection of major pieces.  The fact that 
you can't overhaul them later is of no concern to the factory.

RonH

----- Original Message ----- 
From: "Michael Kovacs" <kovacsmj at sbcglobal.net>
To: "Eric Holz" <ericmpholz at verizon.net>; "VV" <virtualvairs at corvair.org>
Sent: Sunday, December 03, 2006 11:43 AM
Subject: Re: <VV> question on main bearings


> I cant imagine that GM would take the time to correct any very minor 
> deviation from factory specs with this method.  They would have to tear 
> the engine down if it ran bad during run in.
>   I never heard of using only 1/2 a bearing shell to correct anything.
>
>   I suppose there must be some one else that has a better idea..
>
> Eric Holz <ericmpholz at verizon.net> wrote:
>
> I'm doing a rebuild on a 62 84hp motor. It looks like I'm the 1st person 
> to
> tear this motor down, and I noticed something weird on the main bearings.
> 1/2 of one outside main and 1/2 of one center main bearing has a .001 
> sized
> bearing in it. All of the other pieces are std. Why would the general do
> this? All of the bearings look good, not worn much at all. I think that
> I'll have to send the crank in for inspection of size, but these .001 
> halves
> have me baffled.
> Input please!
>
> Thanks,
> Eric Holz
>
>
>
> MIKE KOVACS
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