[naz]

some more reading on harnesses and crash safety.. i couldn't find a racing rule book that had this info so i had to pull from an internet forum

the section i posted below talks specifically about the risk of spinal compression and sub-marining (sliding under the lap belt) that i referred to in my previous post

also, there is a product called CG LOCK (http://www.cg-lock.com/track.html) that retains the safety advantages of the OE 3 pt belt and closely simulates the 'tight' feeling from being in a 4/5/6pt harness. EDIT: it does not give show points but it works

its no secret i'm not into the show scene so my posts might come across as 'MaD HaTiN y0' but seriously i am just concerned for the safety of the ppl in the vehicle

Quote:it is important for the shoulder straps to extend rearward at no more than a 15 degree downward angle from the horizontal. If the shoulder straps are mounted improperly (e.g. looping the strap over the shoulder and down to a floor mount) you greatly increase the risk of severe injury from spinal compression. Submarining is also a concern with a 4-point harness system for 2 reasons. 1) Since the shoulder straps pull up on the lapbelt, it is possible to raise the lap belt above the pelvic crest bones and onto the abdomen. If the lap belt is too high, serious injury can occur to internal organs. That's why 5 and 6-point systems are used in racecar restraint systems. However, it is not possible to use these anti-submarine straps without the installation of an aftermarket seat that allows the straps to pass directly down to the floor. It is not safe to loop the anti-submarine belt over the front of the seatbecause it does not provide the correct downward force and still allows submarining. 2) A 3-point system allows some chest rotation. The right side of the chest moves forward in an accident, decreasing the tendency to slide under the lapbelt. In all but one 4-point systems, this rotation in prevented increasing submarining risk. Schroth makes a 4-point harness with an anti-submarine feature that does allow some chest rotation and decreases submarine risk.

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