that code could be a few different blocks, including a 283, still need block casting numbers [and you've got letter 'o's in place of number '0's - F0405WA = Flint, April 5th, 65,68 or 69 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 & Rust-a-holics Unanimous parking lot