Well when I cut off the cracked caps, I made a wooden pattern. Tonight I fiberglased the wood pattern, then waxed it for release of the resin. I've got two caps made up, a left and a right. I'll have to trim them for fitment, before I pull the TC out of storage.
2001 7.3L F350 CC SB DRW BTS auto, Elkhorn 11X TC, 31 Jayco Designer, 1979 Belco Tunnel Dragster DragBoat