Okay guys I'm new name is jeffery and i need some direction and advice thia is gonna be a long one I'm gonna give as much detail as possible so hopefully i can get accurate reaponses i need help bad i have a mud truck its custom chassis with s-10 body rockwell axles 6.72 gears 57 inch tractor tires never.sees asphalt mud races only it has a 406 i recently tore down to add some power here is what ive got for it aluminum heads 64cc chamber 2.02 and 1.60 with1.5 rocker rollers weind high rise aluminun intake holley 750 thats extremely beefed up and a 175 shot now my questions are any suggestion on new cam and pistons also does anyone recommend turbo over nitrous? Or see anything wrong with the combo I'm trying to set up( this is my first sbc build) any advice guidence or help would be greatly apreciated!! Also anothet option i have is a 350 bottom end 010 casting so could easily be a 383 would anyone reccomend that over my 400 bottom thanks in advance