I have a 305 h.o got it bore 30 I have 1992 vortec heads and I have intake to go with it it has a 350 crank in it I am going to order keith black pistons I was wondering whats the best cam to get I want it to chop hard I am trying to atleast get 300hp the motor is going in an 84 2 door box chevy car I am getting 373 gears put in will this get me 300hp I also have a 700r4 transmission thanks I just need a little help I was told this setup will give me 300hp but I wana be sure