Quote:
Originally Posted by twobjshelbys
They're all structural but to what design. The diameter of the tubing in the rear of all cars I looked at (both Shelby and SPF) was less than the diameter of the roll bar. That was supposed to be the key.
In the case of an accident where the passenger is thrown forward the tube will probably buckle. Do NOT as I've seen some do, bolt through the tube as it will weaken it even more. Wrap the harness around the tube.
For the passenger side you have to weigh the risks. The chances of a front or side event are lots higher than a rollover, and a harness will certainly help in those cases but in the event of a rollover it will almost certainly be fatal. Do be sure the top of the harness connection is above shoulders though.
I had passenger harnesses on my car and discouraged their use.
For the driver side there is a bracket that goes across that allows for robust connection. I had one on my car too.
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The cross tube in a Supeformance comes with a boss for harness mounting from the factory. The tube is pretty stout and likely stronger than some roll bars I have seen. The harness manufacturers specify that the mounting points of the harness be no more than 15 degrees below your shoulders and for the 95th percentile this will work in a Superformance. The Shelby CSX setup is totally different and I would agree that it is not set up for a harness.