The TRUTH About The VP44: Making 500HP On A BUDGET

<p>What happens when an $11,000 VP44 Cummins with a short parts list out tow trucks that cost five times as much? Willard, our 2001 Dodge Ram dually, just pulled a race trailer home from Diesels in the Mountains and held the speed limit up the grades. This episode breaks down why this old 24 valve keeps surprising everybody and what it takes to turn a 25 year old diesel truck into a legit cross country tow rig.</p><p><br></p><p>Todd, Will, and Myer walk through the simple build on this 5.9 Cummins with the VP44 injection pump: a 650 horsepower transmission, Power Driven stage two injectors, a turbo upgrade, head studs, intake, and exhaust. On a clean tow tune it pulls hard, makes around 520 wheel horsepower on the top tune, and the EGT control is so good the crew had to verify the gauge with dual pyros on the dyno. They also get honest about the limitations, like the four speed and 3.55 gears making it slow off the line with a heavy trailer compared to a newer six speed truck.</p><p><br></p><p>Next they cover the comfort list that turns a fun truck into a real tow truck. That means killing exhaust drone with a better tip and a big straight through muffler, adding an inline four inch exhaust brake that leaves room for compounds later, and why V band connections matter for exhaust brake performance.</p><p><br></p><p>Old truck problems get their own fix list too: a leaking heater core, a cracked second gen dash, sound deadening while the interior is out, a turbo silencer ring, a modern radio with a backup camera, better tow mirrors, headlights, and brakes.</p><p><br></p><p>The guys also run the numbers. Willard sits around $22,000 all in, with way fewer electrical gremlins than a brand new Ram 2500 that can lock you in the cab on the side of the highway.</p><p><br></p><p>Finally, they map out the next stage of this VP44 build: camshaft, ported cylinder head, then turbos, chasing a 700 to 800 horsepower tow truck on a stock VP44 pump. Plus some fun talk about how Willard might stack up against the new 8.3L Duramax in a TFL Truck style towing test.</p><p><br></p><p>If you love old Cummins trucks and real diesel performance talk, subscribe on YouTube and follow the Power Driven Podcast on Spotify, Apple Podcasts, or wherever you listen.</p><p><br></p><p><br></p><p>The parts that make Willard tow like this are the Power Driven stage two VP44 injectors, the 650 horsepower transmission, and the turbo setup.</p><p><br></p><p>If your turbo whistle is wearing on you d