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Curated by: MURPHYS DIESEL (510 videos)


Currently Playing: I Fixed the Military’s Biggest Mistake: Humvee Gets 500 HP

Head to https://drinkag1.com/murphysdiesel or scan the QR code to get a FREE AG1 & AGZ Travel Packs, Vitamin D3+K2, and AG1 Welcome Kit when you first subscribe. Thanks to AG1 for sponsoring today’s video! Go to https://murphysdieselstore.com/ to enter to win Fat Fanny Anny and The Brinkley! Wrecker Rick and the crew are back finishing our 12-valve Cummins Hummer build—a full diesel swap built with military toughness, fabrication skill, and classic mechanical know-how. This episode dives deep into the nuts and bolts of getting the 12V Cummins dialed in: pump tuning, boost adjustments, metalwork, welding, and all the gritty details that make a diesel rig battle-ready. It’s raw blue-collar diesel work, filmed right in the shop. After the final tweaks, we take the newly built Cummins Hummer out for its first test drive to see how this military-inspired rig handles real-world performance. From off-road capability to turbo response, we put the build through its paces and show what a properly tuned 12-valve can deliver. If you’re into diesel performance, heavy fabrication, military equipment, or mechanic life, this episode is packed with everything you love. Parts we used to make this build possible https://industrialinjection.com/products/1994-2002-cummins-2nd-gen-phatshaft-62-turbo-kit https://industrialinjection.com/products/new-bosch-94-98-5-9l-12v-cummins-r1-62lpm-injector-100hp-155 https://industrialinjection.com/products/industrial-injection-12v-cummins-performance-fuel-plate-kit


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