You need to read 10 bazzilion posts on tire pressure, fast answer is you do not need to run max pressure unless you are running a max load, and your light buggy will have no traction with over inflated tires. its really up to you after reading all you can, we do not know the terrain, weight of buggy width and length of buggy, your ability, yes ability. running low tire pressure for a desired affect requires some thought and common sense.