2015.5 - 2016 GM 6.6L LML Duramax T87 | Allison Transmission Tuning by PPEI
PP-T87-TTExtend your transmission life and increase your fuel economy with PPEI Transmission tuning! A MUST for tuned trucks with additional torque.
PPEI was the first to offer transmission tuning for these new allisons and we have not let off the throttle since!
The refined shift points get rid of the low rpm “Lazy” feel these trucks have that force the driver to stab the throttle for a downshift – not cool and a fuel economy killer! For vehicles with larger turbochargers, ppei transmission tuning is a must to get the engine back into a rpm range to match the torque curve of the new turbo.
Along with the improved shift points, PPEI also refines the torque converter lockup strategy to put the power to the ground much more efficiently for improved fuel economy by eliminating unnecessary slip in the torque converter – which also drives down heat in typical “unlocked” conditions.
Lastly (and possibly the greatest benefit) is the increase in line pressure ppei provides. line pressure increases the holding capacity in the transmission by clamping the clutch packs together with more force – this allows tuned trucks (or trucks towing heavy) to have the confidence they need to enjoy their truck for years to come.
This tuning package can be installed using an EFILive AutoCal V2, FlashScan V2, AutoCal V3, or EZ LYNK AutoAgent 2.
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Customer Reviews
The best tunes you can get hands down! Seemed to wake the truck up with perfect lock up and smooth shifts! Cant wait for delete tunes to hopefully come back. Will definitely be keeping an eye out for them!
This is how it should’ve came from the factory, nice smooth firm shifts and will actually downshift when needed for passing or merging instead of lugging along in 5th or 6th.
Great tune, truck pulls great firm positive quick shifts. Great fluid pressure and converter control. Great Job Guys!
I got this for my truck. Had an engine tune put on and my trans started doing the funky chicken. Got this trans tune and now she shifts great now thanks to ppei. Highly recommend this tune to anyone. Yes you have to buy a tool to download the tune but I’d rather buy a tune and a programmer rather than a TCM that’s more expensive.
I was to get all my questions answered by Zach before making a purchase. As for the tuning the shift points are excellent and smooth as can be. The lazy feeling is gone and you can get the power to the ground quick. I wish I would have done this sooner. Product an customer service is 10/10
WHO IS THE TUNER/CALIBRATOR
PPEI, also known as Power Performance Enterprises, Inc., is led by the business owner and lead calibrator/tuner Kory Willis. PPEI began calibrating/tuning back in 2008, specializing in Diesel Performance but has since expanded into the Gas and Powersports industries. Kory and the team at PPEI have set many world records along with continuing many industry “firsts”. We take pride in knowing that Kory not only prides his work, but also thoroughly enjoys setting expectations high for our team so our customers can have the best products available in the world.