L5P TCM Tuning TCM unlock and transmission tuning is available for the 2017, 2018, and 2019 models. ... The L5P Transmission does not handle power above 500 RWHP well without increased line pressure.
How long will a L5P Duramax last?
With proper maintenance, the L5P should be able to easily clear the 350,000 mile mark, with some owners claiming they have had virtually zero issues through the 400,000 and 500,000 mile mark. Overall, these engines have proved to be extremely reliable.
How much HP can a L5P handle?
And thanks to the efficiency of the Allison transmissionAllison transmissionAllison Transmission is an American manufacturer of commercial duty automatic transmissions and hybrid propulsion systems. Allison products are specified by over 250 vehicle manufacturers and are used in many market sectors including bus, refuse, fire, construction, distribution, military, and specialty applications.https://en.wikipedia.org › wiki › Allison_TransmissionAllison Transmission - Wikipedia it's mated to, most chassis dyno tests reveal that 400 hp and 850 lb-ft successfully makes it to the ground right off the showroom floor.Jun 19, 2020
How long does it take to delete a L5P?
Typically the removal and reinstallation of the ECM and TCM takes about 30 minutes on a 2017 to 2019 L5P and about 45 minutes on a 2020 L5P.
Can you tune a L5P without deleting it?
L5P Tuning Package includes everything you need to tune your 2017 - 2021 L5P Duramax. No need to delete your EGR or tamper with emissions equipment to get the best performance out of your truck. ... No need to plug in a clunky box to re-flash your truck to change tunes.
Can I delete my LP5?
As predicted by DieselArmy.com, the LP5 was indeed "crackable" and now many owners have successfully deleted and tuned their Chevys and GMs. GM spent a great deal of time and effort redesigning the control system so that it could not be altered by outsiders in any way, this included deleting the engine.Mar 6, 2021
Are L5P Duramax reliable?
The L5P is considered the most reliable post-emissions Duramax made to date. With the removal of the CP4. 2 fuel injection pump and various improvements made to the block, pistons, and other internals, the engine itself is extremely capable and reliable.
Is 200k miles alot for a Duramax?
Earlier Duramax LLY models did have injector issues, but at 200k miles they've probably been replaced already. I too agree 200k isn't a lot of miles for the engine, but it IS alot of miles on the chassis, probably on its 3rd or 4th set of wheel bearings by then.Sep 23, 2013
Is the L5P the best Duramax?
Released in 2017, the L5P is the latest a greatest version of the Duramax. It is substantially more durable than previous Duramax models and features an impressive 445 HP and 910 lb-ft of torque. The L5P replaced the LML in Chevy Silverado pickup trucks.Jun 23, 2020
What year is the most reliable Duramax?
Some engines are more popular than others. For example, the pre-emissions Duramax engines made between 2001 and 2007 are highly sought-after for superior reliability. On the other hand, the more modern engines add more horsepower, torque, and upgrade capability with Duramax performance parts.May 18, 2021
How much HP can a stock Allison handle?
As you've probably deduced up to this point, the stock Allison will handle roughly 350 to 400-rwhp in five-speed form and 425 to 450-rwhp in six-speed trim. However, if you push things past that point the clutches will eventually slip and bring on the Allison's notorious “limp mode” condition (i.e. limp home mode).Dec 2, 2017
How much HP can a Duramax handle?
Factory 6.6L Duramax engines will make 300 to 397 flywheel horsepower depending on the model. Virtually any model can be bumped up to around 600 hp (about 480 rwhp) with simple computer tuning, provided that the turbocharger and fuel system are in good working order.Mar 13, 2018