Actually landsurvey1's truck is dark green. Finally found a post that has the tire specs. Unfotunately it was with his old tires. You will need to PM him for the current setup.
http://67-72chevytrucks.com/vboard/member.php?u=49154
http://67-72chevytrucks.com/vboard/s...ighlight=tires
"I am running Lt315/75R/16 BFG All Terrains with a Weld 10 x 16 wheel. The tires have a dia. of 34.8" and the lift is a 6" spring."