Looks like the lower 65 might have that elusive vacuum guage in it.
http://www.kijiji.ca/v-other-auto-parts-and-accessories/oshawa-durham-region/1965-pontiac-dashes-complete-unit/1202474023?enableSearchNavigationFlag=true
He also has another ad with smaller 65 and 66 parts.
I just love the 65 dash, with those 3 gauges on an angle, pointing the the driver. So cool.
Regards, Scott (LandShark ...)
A shame that the radio section has been cut out.
65 Custom Sport Convertible
Southern Alberta