Thanks Kelvin. Do you know of a source for a reamer that would be long
enough to ream out both the bushings for the standard throttle shaft?
Monte
----- Original Message -----
From: "Dodd, Kelvin" <doddk@mossmotors.com>
To: "'MonteMorris'" <mmorris@nemr.net>; "MG list" <mgs@autox.team.net>
Sent: Monday, November 25, 2002 10:22 AM
Subject: RE: rebuilding SU's
> Monte:
>
> Any time you press a bushing into an interference fit hole, there will be
> some compression of the inner diameter. Good machining practice is to
> always ream out the ID of any bushing after installation to ensure
accurate
> tolerance.
>
>
> The ID must be accurate! The only way to ensure accuracy is to run a ream
> of the correct size through the bushing pair. This also ensures that they
> are in accurate alignment.
>
> This is the difference between correctly rebuilding a component, and
codging
> one together. In many cases codged parts work ok, but may end up with
> binding or uneven working reistance.
>
>
> Kelvin.
>
>
>
>
> > 2. If you did use these bushings, did they have to be
> > reamed internally
> > for the Moss STANDARD throttle shafts? The internal diameter
> > SHOULD be the
> > same as the supplied shafts, but according the "Are You
> > Rebuilding Your
> > Carburetor" insert on page 77 of the newest Moss catalog
> > (which says "press in
> > the new ones and drill and ream them to fit the new throttle
> > shaft"), I'm
> > interpreting this to mean they need to be re-reamed for the
> > standard shafts to
> > fit. This really doesn't make sense to me so can someone enlighten me?
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