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Hey - did you know if you click on the title of a thread it will take you to the first unread post since you last visited that thread?
but were afraid to ask: 
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Pretty Please - add it to our Events forum(s) and add to the calendar! >> 
ChrisS
Jedi Knight
Offline
When I was up in Mont Tremblant earlier last week the car was missing intermittently from 6-7K. When I got back to the paddock there my catch tank was full of fuel and there were signs that the rear carb was dripping on the header. It was obvious hat the floats weren't closing the needle valve but I didn't have time to fix it before the last session, although I tried of course. So I rebuild the carbs this week thinking it would fix the miss as well. The Boston area MG club had a dyno day yesterday so I went and met two Paul's from here, Brosky with his beautiful TR6 and Phantomracer with his rolling restoration BGT (he has a restored MGB as well).
When I got on the dyno my ignition system caused so much RF interference that it first shut down the O2 meter (went lean) and then the entire communication stack for the dyno. We shielded enough stuff to stop the dyno from tripping but the O2 meter wouldn't work. The problem was that I had just rebuilt the carbs and was a little hesitant to take it up to redline with an O2 meter that showed lean so we unhooked it from the dyno and I wired up my wide band O2 meter while some other cars went. When everyone else was done I went back on the dyno and dialed in the carbs in but there was still a miss. On a hunch I pulled my rev limiter and the skip went away. Funny, no Lucas problems just that modern crap that I added. All in all a good day and a lot less frustrating than trying to diagnose it at the track.
Brosky on the left.
When I got on the dyno my ignition system caused so much RF interference that it first shut down the O2 meter (went lean) and then the entire communication stack for the dyno. We shielded enough stuff to stop the dyno from tripping but the O2 meter wouldn't work. The problem was that I had just rebuilt the carbs and was a little hesitant to take it up to redline with an O2 meter that showed lean so we unhooked it from the dyno and I wired up my wide band O2 meter while some other cars went. When everyone else was done I went back on the dyno and dialed in the carbs in but there was still a miss. On a hunch I pulled my rev limiter and the skip went away. Funny, no Lucas problems just that modern crap that I added. All in all a good day and a lot less frustrating than trying to diagnose it at the track.
Brosky on the left.
