Quote:
Originally Posted by BonzoHansen
no roll bar in front of you in 4/6 point setups, so non-concern. your seat should take car of movement backwards, they are designed to do that. That is why car seats got mandatory head rests in the 70s due to whiplash injuries. And old car guys that remove seat tops for the cool look are insane.
put your engineering hat on. Why do OEs still use 3 points and supplement with airbags instead of some other method? It isn't cost.
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Your head can still travel up and back into the main hoop from a real bad rear end or angle rear shot. I don't think a 3pt would keep you secured enough for that motion IMO.
Logically speaking a 3pt is more idiot proof than a 5pt harness and much easier for a EMT/fire crew to cut you out of the car.