[Mgs] HS4 Carbs

[Max Heim]

No, the MGB choke cable sheath is also firmly attached at the dashboard end.

The only difference is at the carb end — is the end of the sheath anchored to the moving lever, or is the end of the cable attached to the moving lever? The other will be fixed. It works the same either way.

It’s like a scissors — if you hold one handle still, moving the other handle opens and closes it — it doesn't matter which one you hold.


--
Max Heim
'66 MGB

> On May 20, 2024, at 12:27 PM, dave northrup <dave at ranteer.com> wrote:
> 
> I have HS4 carbs, newly rebuilt, which I am putting on an early 5 main MGB engine in an MGA.  I’m all set, except the choke mechanism.
>  
> A stock MGA cable has the sheath firmly attached to the knob assembly at the dashboard.  It expects the choke to be pulled on by the cable.
>  
> The HS4 carbs expect the sheath to move, the cable itself being held stationary at the carbs, while the knob is pulled out.  I’m trying to understand the mechanism.  Is it as simple as a sheath that is not attached at ether end and therefore floats, and changes position moving the choke as the cable is shortened by pulling the knob?
>  
> The simplest answer would be to just get an MGB choke cable, which I might do.  But first I want to understand the movement of the sheath, the cable, the knob, and the choke assembly.
>  
> Can anyone help me out here?
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