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Some of them seem to do this... hunt and peck a bit at light throttle. I attribute it to the mixture so long as the ignition system is in top shape. Try noodeling with your timing a bit, balance them again, make sure the noozels and such are pointing in the right direction and that there are no vacuum leaks anywhere. My Notch has done this on occasion. I drove a 67 fast through the winter many years ago and it didnt do this... but the carbs were slightly different (no powerflow or something like that). Of course the real solution is to buy a $200 A2 Golf and not care if its perfect so long as it gets you there in the winter. Keith Keith Park Top Notch Restorations topnotch@nycap.rr.com 71 Squareback 65 Notchback 65 Squareback 75 Opel 87 Golf 88 Rx7 10th Anniversary ----- Original Message ----- From: "Jaranson, John (J.W.)" <jjaranso@ford.com> To: "T3 List (E-mail)" <type3@vwtype3.org> Sent: Tuesday, February 18, 2003 9:40 AM Subject: [T3] Mystery Miss > OK, all you carb and engine experts out there, Sophy has a strange miss in her engine. I had originally attributed it to the blown out stock exhaust and the fact that each cylinder was likely seeing diffenret back pressures or something of the sort. Anyway, with her new single QP exhaust the miss is still there. > > Specifics.... > > Idles just fine, no apparent miss > Accelerates just fine, no apparent miss > Under any kind of engine load, no apparent miss > When under very light throttle, an inconsistent miss is very present. > > The miss is there in all gears and at different RPMs, but only under light throttle. As soon as I push in the clutch and idle or accelearte, the miss goes away. > > Engine Specs: > Stock 1600 with Dual Port Heads > Stock cam > Stock heads > approx 8:1 compression > Single QP Exhaust and header > Stock ignition > 6 Volt > > Other symptoms: She seems to be running a bit rich. Mileage ove rhte cold winter months has been about 17 vs. 20 in the fall and summer. This is city driving. I did have one choke that wasn't fully opening, but that has been remedied. > > Any thoughts on what to check first? It is supposed to be near 40 this week and I an planning on doing a check-up and set the valves and stuff like that. Thanks for any input. > > Later, > John Jaranson > '71 FI Auto Fasty (Jane) > '66 Square (Sophy) > About Half a Late Square (Organ Donor) > http://mywebpages.comcast.net/jaransonT3/jaransonT3/ > > ------------------------------------------------------------------- > List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org > >