TUNE vs. NO TUNE FUEL ECONOMY TEST! Does it make a difference + EXPERT Diesel Tuning Q&A
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SAFE vs RISKY DIESEL POWER UPGRADES – 5 things you need to ask before choosing!
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BASIC Fuel Economy Tuning Using HP Tuners ~ Step by Step | Gears and Tech
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SHAUNO’S 79 got 94% more torque! Custom Diesel tuning - everything you need to know
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Why expensive SUVs are pointless!
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My Jaw Dropped When I Saw How Much My Truck’s MPG Improved WITH a Bed Tonneau Cover vs WITHOUT!
27:31
Full TDi Diesel Engine Upgrade Guide [Best & Worst Mods] Performance Upgrades & Engine Tuning Mods
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Dodge Challenger RT 1528
16:21