Sounds like your CPR might be duff and definitely well past the time when you should have bought a gas analyser. Martin content22207 wrote: >Just popped out a couple of spark plugs. Ash white. Am definitely >running too lean (set fuel mixture the way Volvo boys do, but >apparently wasn't quite right). > >All the pieces fall into place: >-Lower performance after CPR warms up (my ONLY onboard device >affecting fuel mixture, don't forget) >-pre-ignition in 100 degree sunshine >-HOT engine (ask anyone who races cars: "fuel cools") > >May have been chasing vacuum leaks when I should have been twiddling >mixture screw. Will road test & adjust after lunch. > > > Yahoo! Groups Sponsor ADVERTISEMENT <http://rd.yahoo.com/M=259538.3793308.5048975.1261774/D=egroupweb/S=170512 6215:HM/A=1712983/R=0/SIG=11u38u3s2/*http://hits.411web.com/cgi-bin/hit?pa ge=1374-105951838331032> click here <http://us.adserver.yahoo.com/l?M=259538.3793308.5048975.1261774/D=egroupm ail/S=:HM/A=1712983/rand=242572230> To unsubscribe from this group, send an email to: DMCForum-unsubscribe@xxxxxxxxxxxxxxx Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service <http://docs.yahoo.com/info/terms/> .
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