that block number is 68-76 truck and hi-perf 4bolt main 350, so was swapped into the 61 truck - the 'some sorta heat riser' is automatic choke mechanism - will have a bimetal coil in the sheetmetal box - intake and carb on an old motor can be anything a PO wanted - can't say about the rest

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