Installing Flanged Sleeves in a Cummins Block
Jeff McCord at LinCo Diesel Performance walks you through the necessary steps for properly sleeving a block. It might sound like a simple process, but any errors can mean catastrophic head failure down the road.

Avoid LB7 Duramax Injector Leaks
LB7 Duramax engines are very prone to leaking on the injector return line underneath the valve cover, causing the crankcase to fill with diesel fuel, which leads to all kinds of issues. LinCo Diesel Performance developed a method to test for this, which saves the shop from countless comebacks. Check it out.

Cummins Engine Tear Down
After this Cummins engine had a water leak during dyno testing, Jeff McCord of LinCo Diesel Performance brought it back to the shop for a tear down. See what he finds in this episode of LinCo Lessons.

Understanding Diesel Girdles – Part 2
Girdles are common in the high-horsepower diesel world. However, there’s much more to girdles than might meet the eye. Jeff McCord of LinCo Diesel Performance explains in this episode of LinCo Lessons.

Understanding Diesel Girdles – Part 1
In the world of high-horsepower diesel engines, a girdle is a common occurrence. However, there’s much more to girdles than might meet the eye. Jeff McCord of LinCo Diesel Performance breaks down some of those crucial elements in this episode of LinCo Lessons.

New Valve Lash Method
Checking valve lash is commonplace for engine builders, but Jeff at LinCo Diesel Performance has discovered a new valve lash method that is fast and accurate every time. Check it out!

Double Check Your Rod Bearing Clearance
In many aspects of engine building, it is imperative to double check your measurements. Jeff of LinCo Diesel Performance shows you why this is the case when he went to change rod bearings.

How to Determine What Bearings Fit Your Engine Build
In this episode of LinCo Lessons, Jeff McCord answers a common question he gets from diesel customers – what bearings fit my engine build? And the answer can only be found by properly measuring. Jeff explains…

Tranny Tribulations
Is your transmission built to handle high horsepower?

Concrete Filling Cylinder Heads
For competition level cylinder heads, filling them with concrete is a way to help improve performance. Jeff McCord of LinCo Diesel Performance shows you the tips and tricks to doing this job the right way.

Removing Crankshaft Wear Sleeves
On this episode of LinCo Lessons, Jeff McCord of LinCo Diesel Performance shows you how to easily remove a crankshaft wear sleeve using a trick he learned right out of a Caterpillar service manual.

Removing RTV Silicone Sealer from Hardware
On this episode of LinCo Lessons, Jeff McCord shows you how to remove the annoying RTV silicone sealer off of hardware.
