what are your thoughts on this? i know the castings are the same and all you have to do is put the 2 extra holes in for the bolts but can a machinist line bore the 4 bolt cap on the 2 bolt block accuratly?i would imagine it would cut into the block and maybe end up with a spun bearing. not sure if im making sence, is it better to use an after market cap so you can use the splayed setup? thanks