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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