Diesel Performance Blog

The 6.7 Cummins is one of the most upgraded diesel engines on the road, and the turbo is almost always the first major upgrade owners make. Whether you’re trying to fix a failing factory VGT, dr … Continue reading: 6.7 Cummins Turbo Upgrade Guide: 4 Paths from Drop-In to 1,200+ HP

If you own a 2007.5-2018 6.7 Cummins and you’re tired of the factory VGT turbo, you have two main paths to a permanent fix: a 2nd gen swap or a 3rd gen swap. Both replace the factory VGT system … Continue reading: 2nd Gen Swap vs 3rd Gen Swap: Which Cummins Conversion Is Better in 2026?

The 12 valve Cummins is the engine that built the Dodge diesel reputation. Built from 1989 through 1998 in two distinct versions - the 1st gen (1989-1993) and the 2nd gen (1994-1998) - the 12V is full … Continue reading: 12 Valve Cummins (1989-1998): The Legend, the Specs, the Build Path

The 24 valve Cummins is the engine that bridged two eras of Dodge Ram diesel trucks. Built from 1998.5 through 2002, it kept the legendary 5.9L B-series block but added a four-valve-per-cylinder head … Continue reading: 24 Valve Cummins (1998.5–2002): Specs, Common Problems & Performance Path

6.7 Cummins Cooling System Modifications: Complete Guide The 6.7L Cummins is a strong, capable engine — but its cooling system has well-documented weak points that affect both high-mileage truck … Continue reading: 6.7 Cummins Cooling System Modifications: Complete Guide