Don't say that it won't happen this way; I've witnessed this exact thing, and corrected it.
That's why i passed it along as a possibility............ Mike B. ----- Original Message ----- From: "Bill May" <[EMAIL PROTECTED]> To: "Air-Cooled Volkswagen Discussion List" <[email protected]> Sent: Friday, May 04, 2007 6:31 AM Subject: Re: [vintagvw] Is There a Quality Carburetor Out There? > leaking around throttle shaft is what i assumed you meant.if so the bores > for throttle shaft have worn oblong and need to be rebushed. if you are > talking about a shaft other than the one for butterfly then disregard my > response. high float or stuck needle and seat wont leak around the > throttle > shaft. > ----- Original Message ----- > From: "Mike" <[EMAIL PROTECTED]> > To: "Air-Cooled Volkswagen Discussion List" <[email protected]>; > "Bug > List" <[EMAIL PROTECTED]> > Sent: Thursday, May 03, 2007 6:18 PM > Subject: Re: [vintagvw] Is There a Quality Carburetor Out There? > > >> Nick, >> >> Leaking around the shaft can be a float level that's too high or a >> sticky >> float needle valve. The height is 'adjusted' by the thickness of washer >> that's used under the needle valve, when it's installed into the the carb >> top. A thicker washer results in a lower fuel level in the bowl, while a >> thinner washer results in a higher level. Sometimes, the float can be >> further tweaked by bending it a little, if it's got a brass arm. Have >> you >> checked and set yours? You did make a fairly big change when you >> replaced >> the leaky original float with a good used part. The manuals or rebuild >> kit >> instructions will usually show what the level should be and how to check >> it. >> When parked, the high level overflows into the barrel and because it's >> not >> being sucked into the engine, it collects on the closed throttle plate, >> and >> seeped out of the shaft bore. The bore can't be an extremely close >> tolerance, or the throttle would bind excessively, possibly getting stuck >> wide open. That would be alot worse than a tiny amount of fuel seeping >> past >> the shaft. There's no seal there, just a brass, nylon or teflon bushing >> to >> take up most of the gap. >> I suspect you have a good carb there, just a little is tweaking required >> to remedy the seeping. >> >> HTH, >> Mike B. >> >> ----- Original Message ----- >> From: "Nicholas Stokes" <[EMAIL PROTECTED]> >> To: "Bug List" <[EMAIL PROTECTED]> >> Sent: Thursday, May 03, 2007 8:58 PM >> Subject: [vintagvw] Is There a Quality Carburetor Out There? >> >> >>> Is there a decent 34 PICT-3 carb available out there? >>> >>> I purchased a new Pierburg hoping that it along with my SVDA >>> distributor with a CompuFire ignition would keep my daughter's '74 >>> Standard happy for quite some time. >>> >>> Well... the distributor from AirCooled.net works great and gives the >>> smooth acceleration and performance I had hoped for but the carb has >>> not lived up to expectations. The first problem at about six months >>> was flooding out which was diagnosed to be a split float full of fuel >>> which I replaced with one out of a 30-year old one in the parts bin. >>> Now, a few months later, there are signs that it is leaking around >>> the shaft. >>> >>> Any recommendations out there? I'm not looking for any extra >>> performance, just something reliable. All though an extra boost >>> would be acceptable as long as it works properly with the SVDA dizzy. >>> >>> Thanks, >>> >>> Nick >>> VintagVW > http://homepage.mac.com/stokester/VintageVW/ >>> Dub~Tunes > http://homepage.mac.com/stokester/dub_tunes >>> >>> >>> >>> _______________________________________________ >>> vintagvw site list >>> [email protected] >>> http://lists.sjsu.edu/mailman/listinfo/vintagvw >>> >> >> >> _______________________________________________ >> vintagvw site list >> [email protected] >> http://lists.sjsu.edu/mailman/listinfo/vintagvw > > _______________________________________________ > vintagvw site list > [email protected] > http://lists.sjsu.edu/mailman/listinfo/vintagvw > _______________________________________________ vintagvw site list [email protected] http://lists.sjsu.edu/mailman/listinfo/vintagvw
