Two pieces of advice: Don't cut any tubing before you look at other steamliners AND talk to their drivers. Don't build the cage without a current rule book and a thourghal understanding of minimum and maximum clearances to the roll cage (with your helmet on).
Remember, measure twice/cut once................................. Bob
p.s. Try hooking up with the Danny Boy guys up in Brewster. They have both a streamliner and a lakester.