The guys from Roadkill found a broken down 60's barracuda in a junk yard, installed a 750 double pumper and a nitrous kit, did a bunch of work to other parts of the car and sprayed its 360 to trap 110 mph a couple days later. I would think things like timing and spark plug gap and air/fuel mixture would be the things youd really want to focus on to help it live for a while with a mostly stock rebuild & small squeeze making a guesstimated 400 hp ya know?