actually I think by the 70's Chevy and GMC vins looked quite the same, heading to the standardized modern 18[?] digit VIN .... no ideas on the 'T', and I don't know of any site that'd have any info for the 67-72's, most GMC sites are pre-55, but Jolly might know

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