I bought a 302 bored 40 over with pistons and crankshaft for $50. How big does that make the engine, is it now a 306 or bigger. I am not sure what heads and cam to get. im getting a cobra intake. i want street compition, so i can beat a bunch of ricers (no offense to them)

 

308 cubic inches if my memory serves.....

Make sure to have a good cooling system; 40 over motors can run a little hotter....

 

Mine was bored .030 over but a lot of mechanics I've been talking to tell me mine is still a 302. Are they wrong or am I?

 

.30 over is a 306 .40 over is a 308.

 

yup .40 over is a 308, thats what im runnin right now. i dont know if cooling is going to be an issue once it gets hot or not, but im guessing so

 

I think you mean .030 and .040