Mark;
        I see what you are saying, I just do not understand why. The
butterfly are almost identical are they not? The throttle body's should
never close all the way anyway,if the idle stop is set correctly. Why
would it wear grooves in the side?

Good Luck and Drive Safely
Ken Lewis
86 Crewcab,60 356
http://Neksiwel.20m.com/

On Fri, 18 May 2001 14:51:33 "Mark McCulley" <transporter99@hotmail.com>
writes:
> Ken and Mark,
>
> The problem with the throttle body is quite different from the
> problem with
> worn bushings on a carburator. What typically happens with a
> carburator is
> the bushings on the butterfly plate shaft wear out resulting in an
> air leak
> and a too-lean mixture. This is easily fixed by rebushing the shaft.
> What
> happens on the 2.1l throttle body is the throttle plate wears
> grooves into
> the inside of the throttle body......................
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