by Donnie Hurt | Feb 10, 2026 | TOOLING
If you ever tried to get the locating dowels out of the Cummins main caps, you know that using a straight drift doesn’t work. The bolt holes are tighter on the opposite side of the dowel end. I made an expandable driver spud that allows the removal end to be...
by Donnie Hurt | Jul 3, 2025 | BLOCK WORK
It is good practice to lube up the main cap registers on aluminum blocks before seating the main caps. I have noticed the registers will peel aluminum when driving a steel main cap into place. Applying a thin layer of high-pressure grease to the cap and block will...
