Have a question on carbs.I have installed a 1965 Mustang 200 6 cyl in my 65.This is a suppose to be a rebuilt motor ??? I have not heard it run yet. The motor was in several pieces when I bought it the carb was off and the starter was off, alt, ext.I have it in the car and was going to used the carb off the motor I took out of the mustang a 1968 200 6cyl. I was told threw a buddy that he did not think the carb on the 68 motor would fit.Is this right I have not looked at it yet .I was going to rebuild the 65 carb but it has a few missing parts and the carb on the 68 motor I know runs good.Could it be that I can switch out the intake and make it work . I am learning as I go so step by step please.