350 swap

I am currently looking around for a small block 350 to switch out my current 305 with. My dad and I within the past 2 years put in a new carburetor, intake, headers and made the exhaust true dual instead of the factory Y pipe. How much of that would be compatible with a 350? It's also a T-top...

i have a 1987 Monte Carlo LS with the 4.3 TBI in it that my uncle bought in 93. He has since passed of cancer and my father obtained the car and is now also diagnosed with cancer so I’m trying to finally get this car going. The 4.3 that is in it is the 2nd engine this car has had and is...