View single post by DonBurns
 Posted: 11-09-2018 02:42 am
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DonBurns

 

Joined: 09-18-2015
Location: Fullerton, California USA
Posts: 135
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I'll defer to people more knowledgeable than me, but I have always assumed it coincided with the addition of catalytic converters and federal bumpers (and other minor cosmetic changes) part way through 1974 model year (so production in 1973?). Not all JH's were sold in the US of course - just most of them. Both of my 74's were early 74 with SS bumpers and no cat converters. I don't think rope seals were the distinguishing factor. Only very early Mark I had those.

Correct?