You need a set of the "cheap" seats for your 37. Something like the plain jane ones from a front drive car like a Lebaron. They don't have much padding so they are thin and narrow. Most have an adjustable back rest position, but expect to have it nearly straight up. In my 50, I have a set of low back ford buckets that the top of the seat fits under the rear window ledge. That let me back up the seat about 4" or 5" giving a much better angle. The bad thing is it puts your head almost against the window, if I ever get rear ended, my head will take out the window. I have also heard the mini van rear bench seats work well. Gene