Supercharged Twin-Turbo PT 6870 Duramax

The supercharged Duramax is out of dyno cell No. 1. Now it is being fitted with the next step in this engine’s evolution: twin turbos and an intermediate intercooler. Twin PT 6870 turbos from Precision Turbo & Engine blow into a Banks fabricated liquid-cooled intercooler stage. The Turbosmart Power Gate 60 wastegate controls the boost pressure within the intercooler itself. And the Big Bubba blow-off valve vents boosted pressure to the atmosphere during shifts and drop-throttle. Thus providing density rich boost air to the inlet of the supercharger. Dual Turbosmart wastegates keep the turbos from over-speeding.

Banks engineers are gunning for an estimated 1,300 horsepower for its intended use: the Diesel Bros BroDozer Monster Truck.

Adding the PT 6870 to the Duramax.

The Banks Supercharged Twin Turbo will be going back on the engine dyno in cell No. 1 for testing and tuning in the upcoming weeks. Be sure to subscribe to the Banks’ YouTube channel for weekly updates.

The Twin PT 6870 turbosplay prominent parts in our Killing a Duramax and Building a Monster Truck series. It was also the main star on the Engineering Unboxing episode. Clearly, it’s a product we trust if it plays a big part on so many of the Banks projects and vehicles.