hay guys you better ckeck with scta and bni they havent ley rear eng model ts for alot of years there has been many built over the years and went all the way there and could not run i ran bvill in the 60s and 70s and earley 80s i will call some old friends that still run there and get back to you rear eng model ts like to go backward better than than the like to go forward better to find out now than later hope the changed the rules if not sorry for the bad news ted