Yes
The last year a Mustang Fastback was made was 1968.
Any good local car dealership is a great place to start looking for a '67 Mustang Fastback. eBay Motors (a branch of eBay) is also another good place to look.
the Mustang Fastback 2+2 "C" code indecated a fastback mustang with a 289 2 barrel eight cylinder engine. Source: http://averagejoeresto.com
No.
no
No. The fastback refers to the body shape and slope of the rear windshield.
The "Mustang Fastback" first produced in 1965. It was first manufactured by the automobile company, the "Ford Motor Company." Later on, different models of the "Mustang" were designed.
yes
You can swap a 1997 Mustang V6 into a 1968 Mustang. You will need to make several modifications to the 1968 Mustang.
yes
117 mph unmodified
It depends on options and features but generally a 68 mustang fastback has a curb weight of about 2,700 lbs. and a 68 Charger will weigh in at about 3,800 lbs.