Sorry, yes you are absolutely right. There are three versions of oil pumps, two depths and two teeth patterns. I discovered it the other way around, trying to mount a late pump into an early block. What I meant was that you can make a 3 litre engine look exactly like a DeLorean engine. The journals are all the same size etc etc. Martin wingd2@xxxxxxx wrote: > > Martin, > > Try putting a 2.8 oil pump into a 3.0 block and let me know what > happens. Everything inside these engines is NOT interchangeable. Just > because it will bolt into place does not mean it will work correctly. > The pumps happen to be a few thousandths difference in depth. Enough > so that the 2.8 pump will not build any oil pressure in the 3.0 block. > And you can only guess at how I discovered this one out :-( > > Marty > > > [Non-text portions of this message have been removed] 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/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/dmcnews/join (Yahoo! ID required) <*> To change settings via email: mailto:dmcnews-digest@xxxxxxxxxxxxxxx mailto:dmcnews-fullfeatured@xxxxxxxxxxxxxxx <*> 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/