Re: 1974 - 232

[farna@xxxxxxx]

Well, the 4.0 head swap is a common Jeep swap. Less performance than a complete 4.0L swap as long as EFI is included, but if you don't want EFI for whatever reason (maybe racing) it does make sense. 

I have some documentation on the patent dispute somewhere, will have to find it! Not that production may not have been a contributing factor as well. 

On May 13, 2005 carmine@xxxxxxxxxxxxx wrote:

> 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
> 
> 
> 
> .
> RSET


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