>which is the prefered type, the one piece rubber diaphram or the one made
>up of several criss-crossing 1" straps. I've read that they are
>interchangable and I want to use the stronger of the two.
When I bought my car, I had one of each. The passenger side diaphragm
was ripped, so I replaced it. When I saw how much better that seat
performed (do seats perform?), I replaced the webbing on the driver's
seat with a rubber diaphragm. It's a vast improvement.