help please

ok i am not yet sure why or how but last night i was at a bout 5 grand in second and my flywheel decided to fly off and escape out of the bellhousing, there was an a$$ load of coolant everywhere, not sure if the block got hurt, but the bell housing is gone....anyways i have a parts car , 1991 n/t and i am more than likely just going to build that one and put it in , if my block is busted..but anyways can i use 2nd gen pistons and not forged pistons with that n/t block, i've herd that the n/t block has only 1 oil squirter per cylinder , while the turbo has 2.....i was told if i didnt used forged pistons i would burn the pistons up.....is this true?? or can i get away with using 2nd gen pistons......and one more >? are the n/t and turbo piston rods the same in 90 and 91? any help would be awesome.....thankx