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Re: Choke Operation

To: MG-BBS <>
Subject: Re: Choke Operation
From: David Woerpel <>
Date: Sun, 27 Oct 2002 16:40:25 -0600
Charles & Peggy Robinson wrote:

> The below statement is not _entirely true because when the "choke" knob
>is pulled out the fast-idle cams open the throttle butterflies slightly,
>meaning the cable is pulling against _two_ sets of springs plus the
>large center spring. Lotsa springs in there in  there, eh? 
Yup!  That's what I was trying to say; you said it better!

>  One thing I noticed in the twinf HS SU choke linksge: it's important
>to set the lever that the cable is attached to for best mechanical
>advantage.  One loosens the clamp screw on the lever in order to rotate
>the lever on the shaft that connects the csrb linkages together.  It's a
>tradeoff between full travel of the linkages snd pull effort on the
>knob.  IOW, ya ya set the lever, tighten the clamp and pull the knob to
>see how it work, compared to how hard it is to pull the knob out. 
Same on my "H" type carbs with the long levers and links.  Make sure the 
holes for in levers various attaching points are not enlarged.  Again 
this applies to "H" models.

59 MGA 1500
59 :{)

>>The throttle and choke cables, spindles and springs are entirely
>>independant, on a twin SU MGB at least.  And you shouldn't have to put a
>>bend in the inner to keep it secure, many have stranded inners anyway.

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