Why was there a motor-mount change from ’65 to ’66 ?

The 1965 Plymouth service manual is the only '65 manual I can find that shows frame dimensions.

I compare the 1965 Fury diagram with 1967. Since Fury had slant-6 and V-8 options for both years, I'm comparing the V-8 diagrams only.

65-67 frame pics close up..gif

The 1966 Chrysler and Monaco frame diagrams matches the above '67 diagram, so the change or transition in the motor-mount detail happened between '65 and '66.

I believe that 1965 was the last year for the wedge 413 / 426 engines - yes? But...

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Author: MoPar~Man