No 1964/72 Ford Truck Parts Catalog listing for a 200 engine. Only 144 & 170's are listed.
1965/67: No listings for an Econoline in the above catalog with a 300 engine, parts catalog lists 240 only.
The 240 was standard equipment in 1965/72 Galaxie/LTD's, the 300 wasn't available.
This parts catalog is available on a CD from hipoparts.com as is the 1957/63 Ford Truck Parts Catalog.