The L5P was introduced in 2017 and is the newest version of the Duramax 6.6L diesel engine family. We offer tons of awesome, insightful content for the L5P Duramax. Don’t miss our guides like the best Duramax L5P performance upgrades and DPF delete guide. Scroll down for more articles and information on the GM 6.6L L5P diesel engine.
In our 5 Best Duramax L5P Mods guide, we covered downpipes and mentioned them as our favorite exhaust upgrade. While a larger DPF-back exhaust system will provide solid sound gains, the biggest power gains within the exhaust actually come from upgrading the downpipe. Additionally, there are a number of ancillary benefits like lower EGTs and…
With the same displacement but different fuel types, the 6.6L gas L8T and the 6.6L Duramax diesel L5P engines certainly make a name for themselves when it comes to pulling their weight (and then some). Choosing between them, however, can be a much harder task. If you’re not sure which 6.6L V8 motor to choose…
The Duramax L5P is GM’s latest diesel in the 6.6L Duramax family. This means it is also loaded with every single diesel emissions system you can imagine. The L5P has selective cat reduction, diesel exhaust fluid, diesel particulate filter, diesel oxidation cat, and exhaust gas recirculation. While these emissions systems are great for reducing emissions,…
Released in 2017, the 6.6L Duramax L5P is the latest Chevy & GMC turbo-diesel engine. The L5P produces 445hp and 910lb-ft. of torque from the factory. When dyno’d the L5P produces about 400whp and 850wtq. You can’t ask for much more power from the factory. However, for those who are looking for some extra power…
The Duramax L5P was introduced in 2017 as a replacement for the LML. Featured in the Silverado and Sierra HD work trucks (2500HD/3500HD), the L5P uses the same 6.6L turbo-diesel powerplant that has been in use since the LB7 since 2001. While the engine uses the same 6.6L design, many major engine components were completely…
