Originally posted by 60-1EK
The problem with running a 5 pt harness in a car that has no cage is that if you were to flip your car, you are stuck. With a normal seat belt, you can lean, bend down, etc.
In a roll I highly doubt anyone would be able to think quick enough to lean or bend, not to mention having the muscles to do so against such rarely experienced gforces.
I'd take a 5-point over a 3-point any day.