It had the 440 with 375 horsepower.
I believe it was the A-914 tranny.
all depends on the engine in it and the rear end gearing.
The Dodge Charger had a new design in 1968. This 1968 Dodge Charger included hidden headlight grille, refined tail, less chrome and recessed backlight.
Dodge
In the power steering pump on front of the engine.
Yes, they were indentical
1968 Dodge Charger
regular plain charger, charger SE, charger 500, and charger R/T.
6x9's
That all depends on the engine and rear end in each vehicle.
Information about the 1968 Dodge Charger can be found from numerous websites including Wikipedia, musclecars and extrememopars. Alternatively, you could contact a Dodge enthusiast's club for more information.