Ok Gun guide me! I would love to hear you explanation of why you would take a cast block over a machined. Bear in mind now you know what I use to do for a living. I think you are confusing better with cheaper A cast block is mearley a shape of a engine block it still has to be machined. and I have built them before but this time I want to squezzz every bit of power out of it I can. Do your home work