anti-sub straps

[Terry]

I think there are two schools of thought, neither supported by data, so take your pick. The old, tried and true racer approach is for the harnesses to be anchored to the car, not the seat, necessitating eyebolts through the floor for the lap belts and the sub belt. The other approach is to trust Porsche and the USDoT that the seats are anchored with sufficient strength to hold the harnesses. Standard three point belts, which are crash tested, mount to the seats. The question is whether the higher forces which are possible in a racetrack wreck could cause the seat or rails to fail. Personally, I doubt it but it's a personal decision. All of the Brey Krause stuff for these seats attaches to the seats, not the floor.