If you want to drive it on the street. A 327 makes a good street motor. You dont need much torque(just my opinion) Last year I sold a 77 vega hb.Iwas told it was a 20 year old Jegs chassis built through the original floorboard. It had a good narrowed up12 bolt ,glide with a good converter and a stock bore 350. In 7 years adjusted the valves twice, had to guess at it then because i didn't know what cam was in it.and never botherer to find out The slicks were about as old as the car,and the rear shocks were shot. Iwould run 10:70s--- 10:80s about 122mphSometimes when I didn"t have racing fuel I would use 93 octane amoco with a can of octane boost. Didn't make much difference. At Super Chevy we ran 1/8 mile a 6:80--6:83--6:81 back to back. 102mph. That wasn;t me,I'm not that good. No electronics either! My Friends wanted me to put my good motor in it,But to me that was a$6000 car. You add A $6000 motor ,And ,It's still a $6000 car and you just gave away a $6000 motor if you sell it.I think the car had a lot left if I had taken more interest.