Re: 1974 - 232
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Re: 1974 - 232



The reason AMC went back to shafts in mid 73 was due to a patent dispute with GM over the bridged rocker design. I don't know how the settlement was reached, but when it was AMC went back to a bridged design for the 1975 model year.


I remember the return to rocker shafts as being caused by the inability for AMC to make enough stamped rocker arms.


I don't remember if it was a failure of the machinery on the line purchased for the new rockers or if the tooling was insufficent.

Sorry this got by but I tend to ignore the whole "how can I do more work at greater expense than swaping the the complete 4.0 to end up with something with less performance thread" that keeps comming up.

Can anyone add any info?

Peter Marano

Kenosha WI





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