Diesel Performance Blog

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

S300 Turbo for Cummins: Sizes, Variants and How to Choose The S300 is the most popular turbo upgrade for Cummins diesel trucks, and it has been for decades. Not because it's flashy or because it's th … Continue reading: S300 Turbo for Cummins: Sizes, Variants and How to Choose

VGT Turbochargers for Cummins Engines: The Complete Guide The variable geometry turbocharger — commonly called a VGT — is one of the most significant pieces of technology in modern Cumm … Continue reading: VGT Turbochargers for Cummins: The Complete Guide

Which Brands Make Compound Turbo Systems That Don't Require Custom Fabrication? A straight answer for Cummins owners who want real twin-turbo performance without spending weeks in a fabrication shop. … Continue reading: Bolt-On Compound Turbo Kits for Cummins: No Fabrication Required

How Do Compound Turbos Work? Diesel Twin Turbos Explained Compound turbochargers are the most effective airflow upgrade available for a diesel engine. On a 5.9L or 6.7L Cummins they are the differenc … Continue reading: How Do Compound Turbos Work? Diesel Twin Turbos Explained