I have a 1974 nova and my has 15 gallon
Tires, yes if they are the correct size. Wheels, no.
most commonly either a 250 V6 or 350 V8, Although larger engines are often dropped in aftermarket
Rims were 14X5, and the tires were about 5.5 inches wide. I think the SS might have had a 6 inch tire, with white walls.
195/75-14 This answer is true with today's sizes, but at the time a Nova came with 7.75-14.
look on the drivers side door at the specs decal and it will tell you.
OEM tires were most likely 215/75R14s
If the tires are the same size then they will fit. Otherwise, no.
235 70r15
15
NO
225/75/15