Jul 29, 2008 #1 Z ZacharyC New member Joined Apr 4, 2008 Messages 26 Reaction score 0 Points 1 its an 89 silverado half ton 350. i was wondering so i can calculate how far off my speedometer is with my over sized tires. i have no clue what tires were originaly on it
its an 89 silverado half ton 350. i was wondering so i can calculate how far off my speedometer is with my over sized tires. i have no clue what tires were originaly on it