all the old 1/2T's were 6 bolt, and the 15's were 5.5 wide - rears are commonly changed out to 5 lug from a car to get better highway gears, the front may have just had the hubs changed to early GM car 5 bolt, which fit on the 5-9 spindles

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