hey guys i just purchased a 1969 ranchero with a 302 and a scoop on the hood from a guy for 700 dollars

running!!!!! it has a lot of rust but its no biggie this is not my first rust bucket i was scoping out the car and in the glove compartment it sad non ram air 428 wat does this mean i also rebuilt the carb and now gas flow through the carb and out the spout on the top im thinking i did something wrong its my first two barrell... any one had this problem>>>?/
and one more question my vin number is 9a48f259475
any way to decode that and see wat it is