In article >,
Jan Andersson > wrote:

> On 3/8/2012 10:24 PM, Jan Andersson wrote:
> > On 3/8/2012 9:34 AM, esowash wrote:
> >> Hello new friends-
> >>
> >> I'm restoring a 1971 Super Vert, and I'm having some engine trouble.
> >> Hoping you find citizens will be able to provide some insight.
> >>
> >> I've set the points and the timing...but when the engine warms, he
> >> won't idle. If I manually choke the engine (by closing the butterfly)
> >> he'll idle happily.
> >>
> >> If I advance the timing by about 80 degrees (!!!) and crank the Fast
> >> Idle screw in real far, he'll idle again, albeit a bit high. On the
> >> road, though, he's all out of things to talk about at 35mph.
> >>
> >> Adjusting the Bypass and Volume Control screws don't seem to do
> >> anything. I've screwed both all the way in and he behaves the same.
> >>
> >> Thoughts? I'm pulling the carb off this weekend for a thorough
> >> cleaning.
> >
> >
> > Before carb tuning, you need to have three things done: ignition timing,
> > points gap, and valve adjustment. You only have one more to do. Assuming
> > it's a stock engine with aluminum pushrods, set valve lash at 0.15mm
> > (0.006") cold. That's overnight, stone cold.
> >
> > Cleaning out the carburetor is a very good step to take before trying to
> > adjust it. Sounds like you may have a clogged idle jet or dirt in the
> > passage behind it.
> >
> > Set the ign advance to 7.5 degrees advanced at idle (when you get it to
> > idle) if you have a single vacuum distributor (only one vacuum port in
> > the vacuum canister, not two).
> >
> > When it's time to tackle the carb adjustment, here's a good how-to:
> >
> > http://www.vw-resource.com/34pict3.html
> >
> > Check that site inside and out, good info there.
> >
> > If you have trouble getting it to run right, ask more help here.... it's
> > a quiet board these days and we would welcome new discussion.
> >
> > Also, a picture of your engine bay would be nice, just to see if
> > something is out of place or hooked up wrong. Do not post pictures in
> > this group, instead upload them to an online internet service like
> > Photobucket.com or similar free picture site, and provide us with a link
> > to it.
> >
> > Jan
> >
>
>
> oh yea, as the article says, look for vacuum leaks. Especially at the
> intake manifold rubber boots.

yes, that was my first thought. Some spray carefully something around
various suspicious joints and see what happens.
--
Karma, What a concept!