97 XJ is stamped steel. I believe my 96 was aluminum. Seems rather ironic that they would redesign the casting for NVH and put on a steel cover that would transmit more noise? duh'oh...Mark (wrambler) ----- Original Message ----- > From: "Jim Blair" <carnuck@xxxxxxxxxxx> > To: amc-list@xxxxxxxxxxxx > Sent: Monday, June 11, 2012 1:43:45 AM > Subject: Re: [AMC-list] 232 engine head. > I think that since Jeep bought rights to the Buick engines (V6 and 350 > V8) and cured problems with the V6 before selling them back, they may > have kept some of the rights. > Jim Blair, Lynnwood, WA '87 Comanche, '83 Jeep J10, '84 Jeep J10 > From: Frank Swygert <farna@xxxxxxxxxxx> > To: amc-list@xxxxxxxxxxxxxxxxx > Subject: Re: [AMC-list] 232 engine head. > Message-ID: <4FD4A39A.7040200@xxxxxxxxxxx> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > The "overlap" is late 1973. Early 73 models have bridged rockers, 74 > went back to shaft. There would be a short time when either could be > in late 73 models. 64-72 have shaft rockers > , 75+ is bridged again. The reason was that Buick sued AMC over the > bridged rocker design. Don't know how it was resolved -- whether AMC > paid Buick for use of the design or it was thrown out of court as > non-patentable or not covered by patent, but it was resolved and AMC > went back to the bridged rockers. > That last of the 4.0L engines have a stamped steel valve cover. I > think 2000-06, but may have been after 2000. Covers don't interchange > except over certain range models (87-90, 91-96, 97-99, 00-06... I > think) due to differences in the way they bolt to the head. > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://list.amc-list.com/pipermail/amc-list-amc-list.com/attachments/20120610/985b446c/attachment.htm> > _______________________________________________ > AMC-list mailing list > AMC-list@xxxxxxxxxxxxxxxxx > http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://list.amc-list.com/pipermail/amc-list-amc-list.com/attachments/20120613/c2f25c09/attachment.htm> _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com