Originally Posted by timothale
Ford did a lot of strange things, changes not always in documentation you can find, passenger car 5 X 4.5 wheel patterns on some light duty pickups in the late 70's early 80's, they did not sell many. I worked there as an engineer and tried to get them to let me keep My bookcase full of Mustang documentation I had in my office, some japanees car companies got confidential information, some people got fired and they were very strict about destroying things that would be valuable to restorers.
In the mid to late 80's when Ford was phasing out the 390 I had the pleasure
of some warranty engine jobs on Ford trucks. I received as new parts from the parts department short blocks with oversized cylinders, reground crankshafts and a host of other rebuilt/remanufactured parts.