[Healeys] Throttle? linkage

[Rich C]

Hi John,

This sounds to me to be a classic case of worn butterly shafts that 
sometimes allow the butterfly to come completely closed and sometmes move a 
bit and cause the butterflies to remain open. You can check the shafts 
carefully by overcoming the return springs' attempt to hide the slop and 
trying to wiggle the shafts.

Rich Chrysler

----- Original Message ----- 
From: "John Sims" <ahbn6 at verizon.net>
To: <healeys at autox.team.net>
Sent: Tuesday, August 11, 2009 11:54 AM
Subject: [Healeys] Throttle? linkage


> My BN6 with HD6's idles just fine at around 800 rpm and the mixture is
> correct as far as I can determine. Problem is that when I accelerate the
> linkage sticks coming down at about 2,000 rpm and stays there. When in the
> cockpit, trying to raise the pedal with my foot does nothing -- it is
> already up as far as it will go.
>
> Under the bonnet, when I goose the linkage by moving the relay shaft to
> carbs, it comes right down where it should at 800 even running past 2,000
> rpm. If I hold this shaft open above 2,000 rpms, it will only come back 
> down
> to 2,000 rpm and I have to nudge the shaft to bring it back to 800.
>
> What am I missing???
>
> John Sims, BN6
> Aberdeen, NJ
>
> http://www.healey6.com
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