Tire size

Guys help, I have American Racing Torque Trust "D's" and P205/70R14's, rims are 6.00". I want to put on P245/60R14's has any one ever done this? I want a larger tread on the rode. Was only going to do rears and was thinking may be all 4 would be good looking! Any expereinces?
I have a 65 2+2 lowered 1" And thats it