pretty much the same quality with somewhat updated formulation, things changed a few years ago concerning the zinc content, but I believe T1 still has some, shouldn't make any difference for you

Bill


Moved over to the Passing Lane

"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