Here you go..
You'll notice that they arn't much wider (and inch) but the there is more of a curve and the dip near the opening for the control arms is less.. so there should be more clearance. Also, the opening for the control arms is two inches wider for aftermarket control arms. The area for the tires to go "up" is quite a bit more.
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"A ship in port is safe, but that's not what ships are built for."
See Bad Penny run the cones:
https://www.youtube.com/watch?v=8GUPPIX-92U
1971 Chevelle Wagon - Roadster Shop Chassis ProCharged Shafiroff LS and lots of yada yada
1968 Camaro - Project Track Rat - 440 RHS LS