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Re: Cam Bearings

To: Grant Buss <buss3@sympatico.ca>
Subject: Re: Cam Bearings
From: Joe Curry <spitlist@gte.net>
Date: Fri, 16 Apr 1999 09:04:31 -0700
Grant, 
Thanks for that input.  I have to start looking at the engines I take
apart to see for myself.  No, I'm not from Missouri, but I am curious.

Regards,
Joe

Grant Buss wrote:
> 
> I just put an after market cam in my '78 Spitfire. It said on the box the
> cam was for a Mk.3 and I ordered standard Mk.3 cam bearings. The machine
> shop just pressed the bearings in, no boring.
> 
> Joe Curry wrote:
> 
> > The recent thread about Cam Bearings has stirred me to do some research
> > and after doing so, I am no more clear on the subject as I was before
> > the study.  Here's what I found:
> >
> > The three different cams I found are
> > 1. All Mk1 Spitfires
> > 2. Mk2's and Mk3's
> > 3. '69 Mk3 through 1500
> >
> > The cam bearings being offered appear to cover all Spitfires to 1972
> > 1300 engines.
> >
> > Ny quandary is: If the cams are the same from 69 through the 1500's, the
> > bearing journals must all be the same size and in order to install cam
> > bearings in the engines that do not have bearings, one would have to
> > align bore the block to the size that will allow the bearings from
> > earlier engines to fit.  I had that done with my 1500 engine, but I
> > don't know if the machine shop used early Spitfire cam bearings or some
> > "off-the-shelf" ones that they had.
> >
> > Anyway, if anybody can add anything to this (or tell me that I am full
> > of ****) please do.
> >
> > Regards,
> > Joe
> > --
> > "If you can't excel with talent, triumph with effort."
> >  -- Dave Weinbaum in National Enquirer

-- 
"If you can't excel with talent, triumph with effort."
 -- Dave Weinbaum in National Enquirer



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