Diesel Performance Blog

ISX15 Compound Turbo Kit: Proven Technology for Class 8 Diesel Power Source® built its reputation on compound turbo systems for Cummins pickup trucks. Thousands of 5.9L and 6.7L Ram trucks are ru … Continue reading: ISX15 Compound Turbo Kit: Proven Technology for Class 8

12V Cummins Turbo Upgrades: Complete Performance Guide The 12-valve Cummins is the most modification-friendly diesel engine ever put in a pickup truck. It has no electronic fuel controls to work arou … Continue reading: 12V Cummins Turbo Upgrades: Complete Performance Guide

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