Originally Posted by 302 Z28
The actual blocks that can be bored to 4" are now fairly rare. You block would have to be sonic checked to see if it could be bored that large. If it is the cylinder walls are so thin that the engines usually don't last that long. I would not advise that approach.
I was just saying that if i cant find a better way of making power i may look into doing something like that.
But if i can make 220+ hp with the stock bore i would be more interested in that.