Does anyone know if 4.05 inches is the standard bore for the 6.5?
Here is the big reference of everything. Note the military only does .20 over and done. I have noted the 6.5 and 6.2 measurements get mixed up in the manual. over 4" is a 6.5 and under is a 6.2"
https://www.thetruckstop.us/forum/t...-repair-manual-6-2-l-and-6-5-l-diesels.25481/