Look at the distributor cap on the PRV and you will see there are unequal distances between the plug wires. You will find 3 groups of 2. The engine does not fire at even 60 degree intervals as an even fire 6 would. This is reflected in everything else in the engine that is timing dependent, like the crank and the cams. Jim 6147 DMC12Don@xxxx wrote: > ? ? ? ?OK. I've tried to guess and have worked in the auto repair business >over 20 years, but I have yet to figure out what you mean by "odd fired" >engine. ?Could you explain that one for me? > ? ? ? Don VIN 6860 > > >[Non-text portions of this message have been removed] > > > >To address comments privately to the moderating team, please address: >moderators@xxxx > >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 > >Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > >