I would like to add something to my 65 valiant for the street hei, cam, headers, intake, carb, 58,000 org miles do i need to change the springs? do i need to change the springs,i was thinking of comp cam thumper(hdly.) cam set i like the rough idle .I though of changeing to a 360 but this runs to good just to pull it and sit it in the corner ,this will be my cruiseing and show car so i would like it to sound tough even if its not ,i dont want to do a complete rebuild just a couple add ons will this increase my horsepower with these add ons what size carb and cam lift would be good for this set up, also whats the largest rear wheel and tire i can put on the rear without tubing it but i will it i have to (smile)any advice an help would be great,,,,,thanks mike=P~
