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Pocketmags Digital Magazines
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Pocketmags Digital Magazines

DIESEL WHITE PAPERS

THE L5P DURAMAX GETS CRACKED

DURAMAXTUNER Duramaxtuner.com

HP TUNERS HPtuners.com

It wasn’t but two years ago that GM released the latest L5P Duramax platform for the 2017 model year. This engine wasn’t just getting the usual every-other-year updates with a little different EGR system and an ECM flash for more power/ torque from the factory. The L5P was basically all new from the crank up. GM switched over from the Boschbased injection systems they’d been running since the Duramax was introduced back in 2001 to a Denso fuel system capable of higher injection pressures for more power and cleaner emissions. The oil-controlled Garrett variable-geometry turbo is gone, an all-new electronically controlled BorgWarner VTG in its place. The complete emissions system has been reworked with larger coolers, improved flow, and even a large catalytic converter clamped directly to the turbo outlet. GM engineers meant business when it came time to redevelop the Duramax powerplant for 2017, and with better emissions control, improved fuel efficiency, and enough horsepower and torque to virtually move a house, they weren’t going to cut any corners.

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