all the vendors have an adapter cross-bar for small block side mounts - pics here, including the standard rubber mount [available from your local parts store], only problem with it is it makes working under there a problem sometimes - you might also find the conversion trans cross member shown has been added to your truck

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