Exhaust valves run much hotter than intake valves so they can increase in length more. When adjusting using feelers, it is easier to detect that the next gauge up is too tight or one before is too loose.


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!