no those will be next for a 3600 nor tech super cat that my buddie owns he throttles i drive..we wnt 172 mph a few weeks back.. eickert is almost done with his new motors 10.600 deck 650 cubes plus,,with efi and quad rotors as soon as we get them in the boat he's going to start a big power twin turbo setup

My 604's will be m5sc prochargers with the same efi as on my 509's... easy 1200 on 93 octane 10 to 12 psi