It was the passenger bank running lean, so the problem would be on driver's intake rail (the rails cross over before going into the cylinder heads). Brake booster and HVAC canister is fed from the passenger rail (cylinders 4-6). Spark advance and full throttle enrichment are possibilities, as are U pipe mating surfaces, a couple of pipe plugs, and of course the throttle plate and housing. Bill Robertson #5939 >--- In dmcnews@xxxxxxxxxxxxxxx, "Harold McElraft" <hmcelraft@xxxx> wrote: > David T (I believe it was David that mentioned this)is probably right > about a major vacuum leak on the lean bank. If the vacuum lines are > original, especially the ones going to the brake and canister they > are probably leaking at the connections as the old hoses get too hard > and the sealing by the hose is lost. The rest of the problems I think > relate to something else as I put in my note. > > Harold McElraft - 3354 > > > --- In dmcnews@xxxxxxxxxxxxxxx, "John Hervey" <john@xxxx> wrote: > > Harold, > > From what I understand from talking to Jeremiah is that 3 plugs on > one side > > are burning rich and 3 plugs on the other side are burning lean. > This has > > really got me thinking as to what could cause that. > > John > > > > > > > > [very long quote snipped by moderator] To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/