I have a 1200 single port that was doing the same thing. Try spraying carburetor cleaner on the choke and linkage, then readjust the air mixture screw in until the rpms max out, then back it off half a turn. Did the trick and he's running like a champ!
Good luck and Merry Christmas! Bob Thompson '63 vert '70 bay window '73 beetle '79 adventure-wagon --- On Fri, 12/21/12, Kirin Jacobsen <[email protected]> wrote: > From: Kirin Jacobsen <[email protected]> > Subject: [vintagvw] 1600DP running issues > To: [email protected] > Date: Friday, December 21, 2012, 11:27 AM > Hey guys, > I have a friend who a few months ago purchased a very clean > 70,000 > mile 73 super beetle from an original owner a few months > ago. The car > had just been serviced bya local shop to pass our local > emissions > testing(Aircare or as I like to call it airscare!). > > Soon after she purchased it it started suffering some > running issues. > It has a replacement Empi 34 pict 3 I believe and what > appears to be a > 009 Distributor(What I remember from my last 1600dp. Mind > you I > haven't played with one since about 2006...) > > Anyways the issues that were going on it was stalling when > it was > cold. It would fire up fine and she would take off and as > soon as she > would return to idle it would stall. Which sounds like a > total carb > icing issue. To address that it got a new intake manifold > and a new > muffler. Which didn't fix it. Also it started developing a > backfire > through the carb on shut down. And hard to start when > warm..... also a > intermittant misfire mid range in the revs. The disty cap is > nearly > new. Rotor looks okay.. Certainly not new a bit grungy but > not totally > burned .. > > Its had plugs, wires.... etc. When I was looking at the > aircare sheet > . The hydrocarbons were high, and I'm certain its running > rich. My gut > feeling on this one is that the carb is way out of > adjustment and that > the timing is way out to lunch. I checked it for exhaust > leaks and > none were apparent... Any thoughts? Its been a long time > since I > played with this stuff.... And well my next venture is with > a stroker > so thats bound to be entertaining.. > > Cheers, > Kirin > > -- > Visit the VintagVW archives at > http://mail-archive.com/[email protected] > --- > You received this message because you are subscribed to the > Google Groups "VintagVW - Air Cooled Volkswagen Discussion > List" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > Visit this group at http://groups.google.com/group/vintagvw?hl=en. > > > -- Visit the VintagVW archives at http://mail-archive.com/[email protected] --- You received this message because you are subscribed to the Google Groups "VintagVW - Air Cooled Volkswagen Discussion List" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. Visit this group at http://groups.google.com/group/vintagvw?hl=en.
