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That actually is a good pic of how NOT to...(more) (archive)

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Posted by Alvin Caragay '72 02 on January 13, 2002 at 10:58:16:

In Reply to: Re: How do you mount your racing belts posted by MarkPike on January 13, 2002 at 10:04:59:

mount safety harnesses in a car(no offence intended to MarkPike). The reason being is that after passing through the seatbelt loops in the seat, the belts travel in a downward path from the seat to the mounting points under the rear seat. This is bad because in a crash situation(god forbid this happens but should be considered none the less) the downward angle of the seatbelts causes compressive loads downward which can cause spinal injury, etc. The proper way to mount the belts to a lower location is to mount a horizontal harness bar behind the passenger and driver seats that is the height of the seat belt holes in the seat that the belts loop over before heading down towards the rear seat. This way, the belts pass in a horizontal plane after passing through the seat's belt loops. This way, the loads put through the belts and onto the seat(and ultimately the passengers) in the case of an accident are loads which run straight back and not downward on the spine. This description make any sense? Hope this helps.

Alvin Caragay
'72 BMW 2002(soon to be S14 powered)
'97 Toyota Tacoma
'90 Yamaha FZR400

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