340 or 360?
If a person doesn't have the engine already, I look at 340's like the restorer's engine or class racer's engine. In today's world, I see no reason to spend the money to buy a short block 340 at their cost when a 360 is 30x more available and 1/4 the cost. 360 will work great as a street rod engine, a bracket engine, pickup engine, or a stroker foundation.