yes, it's dressed as a 283 or 327, which is easy enough to do to most any small block and some PO might have got a 350 short block to replace a frapped original 283 - get the casting number from the bellhouse flange on the drivers side of the block, a mirror will read it if it's still in the truck, that'll tell what the block is - see here

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 & Rust-a-holics Unanimous parking lot