Sumner Weisman wrote:
>
> OK all you SU carb gurus, what suggestions do you have for me?
>
> I cannot adjust the idle speed less than 800 rpm. That's fine -- that's
> where I want it. The idle adjustment screws are backed out all the way. I
> can feel a little wobble in the shafts. I will get the carbs rebushed and
> I am planning to completely rebuild them this winter. I imagine that there
> is a little air leaking in.
>
> That's the background, now here's my question:
>
> Frequently, when I take my foot off the gas pedal, it hangs up at about
> 1100 -- 1200 rpm. If I gun it, the idle speed will come back down.
> Pressing down on each idle screw will bring it about half way back down.
> (Pressing down on both brings it all the way down). If I pull up on the
> linkage (above the generator) that controls both shafts, it comes all the
> way down. The return springs seem OK.
>
> I have lubricated every link, bearing, and bushing I could find, all the
> way back to the gas pedal. It still hangs up. Any suggestions? Could a
> butterfly be hanging up? I really don't want to tie up the car in a major
> repair until winter. I got it on the road too late this summer as it is.
> Any suggestions appreciated.
>
> Sumner Weisman
> 62 TR-3B
Sumner, my carbs acted exactly the same way before I redid the shafts
Stu
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