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On Sun, 2006-09-24 at 21:37 +0100, Dave Hall wrote: > Sounds the right procedure. > > I've recently cleaned out my twin carbs, replaced both choke pull-down > diaphragms (NLA so had to use a diaphragm from a camper 34-PICT3 kit - > improvisation needed), adjusted the choke setting, tightened a loose manifold > nut and ensured there were no flange leaks. Started up with slightly high idle, > but settled with minimal adjustment. Running better than for a while. > > Like yourself, the RH carb mixture screw is very sensitive, but the LH doesn't > have as big an effect. I've not applied the CO meter yet, so I'll do that next > and see what changes as I adjust the LH mixture. > > Oddly the RH carb had much more red dust in it than the LH one. An old VW > mechanic suggested it may have been doing more than half the work. BTW, anyone > know what the red deposits (precipitates) from fuel are? I have always thought that the red dust found in carbs is rust from the fuel tank and lines. -- russw <russw@classicvw.org> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~