End of sentence periods threw off the URL's. This is what they should have looked like: http://www.swedishbricks.com/faq/engpvr6.html http://www.alldata.com/TSB/64/79643149.html While doing research at the Douvrin PRV 6 Engine Association I noticed DeLorean is "Car of the Month": http://members.fortunecity.com/douvrinprv/ This site hadn't changed in so long I thought it was dead, but recently underwent major surgery so someone's taking car of it now. Bill Robertson #5939 >--- In dmcnews@xxxxxxxxxxxxxxx, "content22207" <brobertson@xxxx> wrote: > No one's disputing massive changes in the ~1987 redesign. My complaint > is reports in DeLo community of massive changes circa 1980. Is the > only place I've ever seen such. > > What is your source of 1970's camshaft changes? Volvo factory > literature is totally mum. Volvo newsgroups are mum (example: > http://www.swedishbricks.com/faq/engpvr6.html. Business about "face > only" hardening is silly -- all production camshafts of that era, > including American domestics, are made in layers. Only the lifter face > is steel. Inner metal is gold in color (brass?)). My version of Darren > Bowker (German PRV mechanic in Columbia SC) claims B27 and B28 are > internally identical except for certain component *SIZES* (material > composition was not only unchanged, but used simultaneously between > Renault 2.7 and Volvo 2.8). The only Volvo Service Bulletin Re: > camshaft issues is the late 1984 change in oil spec > (http://www.alldata.com/TSB/64/79643149.html. My 1985 B28F manual has > what I believe is this bulletin as a supplement -- I'll get it scanned > and upload to #5939's photo album). > > Bill Robertson > #5939 > 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/