235 75R 15
That would be 15" rims on that truck.
my 86 gmc c-15 came stock with 225-75-15's. The standard tire size for a 1974 Chevrolet C10 was G78-15. Most owners switched to P215-75R-15 when radial tires later became common.
The original equipment size is 225/75-15, but don't ask me what those numbers mean.
165R15 is stock.
Original tire size was 215/70/14 on a 14" rim
D78-14
it means that the 10 is the size and c is the wight.
Up and to the left of the clutch on the firewall.
the s10 in a shorter more compacted and the c10 is a full size truck The C10 is considered a 1/2 ton truck. The S10 is considered a 1/4 ton truck.
tire size is 10x3.5 tire size is 10x3.5
It is important to know the gas tank size for a car when driving. For a 1966 Chevy Suburban C10 the gas tank size is 40 US gallons.