Have I made the right choices?

Can anybody find out what the deal is with those pistons? Web sites? Specs?
One more questio for you Xstream, what head gasket did you use?

The advice of a GM fan could be bad. If the GM fan is not a bull headed chevy freak and honestly trying to help and, most importantly in addition, a honest engine kind of guy willing to look into stuff, it shouldn't be a bad thing.
He may not know the in's and out's of MoPar engines, but if hes a good fella.......