there shouldn't be any heating issues with any small block behind a TF rad, AC or not, but it's mandatory to have a shroud as the engine sits too far back to actually function properly

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