Rim to rim is quite different than center to center on the tires. The rim diameter is 15 or 16" and the tire tread is out at about 29". This would give you completely different results. The standard way is to mark the center of the tires with fine chalk.


1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!