ive got a map 2.4 stortblock with a ported stock head and i need to figure out what gaskets i need. water pump? head? im looking to make 600 out of the motor and a buschur cast 3582 kit. also wondering if i would need to upgrade my injectors and fuel pump from the 1000cc walboro 255 setup im running. the setup made 475 on the origional 2.0