well then, the simple answer is no, there is no different TF sender available ... if the Vette had a 3/8 line, and the 55 has a 5/16, then from Eds experience, the 3/8 wasn't really necessary, but hey! we all do our rigs the way we want
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics