Bigger motor
 

I have a 1993 V6 Magnum 4x4 extended cab Automatic the motor blew and so im going to replace it but i want to put a V8 in it while im doing it so now I just need to know if there is a V8 that will just bolt in without making any mods

You're probably going to wanna swap that tranny

Search feature. You can swap in the 5.2 and the 5.9. All depends what tranny you have. Do a search on engine swap. You will literately find 100's of threads on it.