Larry Woodfin's GT Truck over in the Builds section has a contoured door bar. Here's a link to the pic. It's on page 21 of his Super-10 thread.
http://classracer.com/classforum/sho...&postcount=204
He knows what he's doing, but this one hasn't been to tech yet.
BTW; I followed the book on my build, too. Even overbuilt it on safety stuff. I put a swing out on the passenger side for maintenance and stuff. It's not - in my opinion - safe in a crash. Drivers side is solid.
Dale