dodge in a chevy lol

hey!i got a 1987 camaro and i turned it into a iroc more less but i want to change the motor i gotta little 2.8 multi and i want to put something powerful in it i dont want alot of people to be able to take me i was thinking about a 400 small block but some friends were telling me i could get a converstionkit to put a dodge motor in ? i was thinking about a 340 or get frame connectors and throw a 440 magnum but what do i gotta do to do this to my car ne help would be great plaz email me if you want at pig_doinker snipped-for-privacy@hotmail.com