2.2L HELP

i just took apart my 2.2L motor. the bearing and the connecting rod in the #4 cyl. is toast. anyways i wanted u guys to maybe help me out.option #1: i'm thinking of going to a bigger piston size. what's the max i can go on this motor? what would have to be done and how much would that cost? #2 buy a 3.0L engine. #3 i'm open to other sugestions. please guys help
thanx
ronin993