Re: [AMC-list] 232 engine head.

[markprice242 <wrambler242@xxxxxxxxxxx>]

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.
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