[Healeys] Throttle linkage advice

[Alan Seigrist]

Andy -

The old felt bushes used on the cross shaft allowed for quite a bit of
play, esp. for manufactered inconsitencies in the shape or
straightness of the cross shaft.

The new teflon bushes are FAR superior, for sure, but may need to be
reamed out sufficiently to allow for free play - your throttle shaft
has to be free moving and loose otherwise your throttle will never
work properly.  The worst part of it all is once the motor is in you
basically cannot access this shaft without removing the motor again!

I'd recommend taking it out and reaming the bushes slightly, bit by
bit, with a Dremel tool until the shaft moves very freely when
mounted.  You may have to iterate this step in and out of the car a
few times until you get it right.  The good thing is once you get it
done poperly, you'll never have to touch it again.

Alan

On 12/16/08, andy pole <ampole at hotmail.com> wrote:
> Guys
>
> Any advice please. I have changed to right hand drive and had problems with
> the conversion; the throttle spring being too small for the throttle shaft
> and
> have had to emery paper the shaft so there is not too much resistance on the
> return action.
>
> Now on fitting the new type poly bushes to the old throttle cross shaft it
> has
> again gripped this shaft too tightly when bolted up underneath the gearbox
> aperture (the bushes were loose on the shaft until the brackets were
> tightened). Has anyone else had this problem? It will turn but I guess is
> far
> too tight for the return springs on throttle and carbs. How slack should it
> be? Its the last job before the engine goes in, except for filling and
> bleeding the hydraulics and perhaps dropping a battery in to double check
> the
> electrics.
>
> many thanks Andy
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-- 
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Alan

'52 A90
'53 BN1
'64 BJ8