STARFIRE4
Look at using 350 connecting rods, this will stroke the engine to a 406 cu in .I have a 406 that's a street strip engine in My 1965 nova .Built the engine in 1993 never had any problems with it .Its a lot more than you plan to build I think. AFR heads ,comp cam 306 sold lift cam.It has around 17.000 miles on it drove it cross country on the Hot Rod POWER Tour in 1994.Just car shows and the track since.I really need A/C the car is capable the driver is spoiled.
Like others have said check the block first !