ok so what i want is 300-350 hp with same if not more torque.. im clueless on numbers valve lift , cam profile ect .. let me tell you what i want to do for my budget

send short block out to be line honed and bored over 0.40

new pistons , bearings , cam ?

ebay has full kits for 450$ is this a good idea or should i just trust machine shop ?

balance crank and rotating assy

deck block/ heads

run gt40p cast / aluminum ?

can i pick any aluminum heads ?

edlebrock air gap performer

i already have a 600 cfm edlebrock marine carb

new cir water pump

new fuel pump

paint/ install


i am clueless on what to buy for power , now with that being said i really just want the machine shop to assemble the bottom end , but will i need diff push rods ? for diff heads?