lt1z started following Anyone have any idea when are there gonna be performance parts available for the new 2019 Sierra ?, Trail Boss Rear Axle vs. Max Towing Rear Axle, T1 Exhaust and and 6 others
lt1z replied to Zane's topic in 2019 Chevy Silverado & GMC SierraI have a double cab AT4 that has been on order since 8/23 and has a TPW of next week. So double cab production has started or will start soon but I think trim wise it is still limited to HC, LT, RST, Denali, AT4 and SLT at first
lt1z replied to Zane's topic in 2019 Chevy Silverado & GMC SierraMy Double Cab, Std bed AT4 has a TPW of 10/22 and has sine the 8/21 order.
You are free to disagree but the fact is the controller hardware and calibrations are different ( as the should be) because they are used behind different engines and in front of different axles. The collaborated on the design of the transmission itself ( shared cost of development). I have tuned countless 6L80/90, 8L80/90 and 10L90 transmissions so I am familiar with what is done in the factory calibration as well as what is done to improve them from there. The trucks usually leave more to be desired then the cars. So a calibration issue on a Ford 10R80 behind an ecoboost would not be related to a calibration issue with a 10L80 behind a 6.2 since there was no collaboration on calibration of the individual products from each company. FWIW you can even take two GM vehicles with the exact same drivetrain and each division will have its own calibration. For example. 2016 Yukon Denali 6.2/8spd 3.23 22” wheel 2016 Escalade 6.2/8spd 3.23 22” wheel Not the same even though everything that matters in the programming is exactly the same parts wise.
lt1z replied to 2019denali's topic in 2019 Silverado & Sierra ModsGoing to have to wait on tuning to do much. Hopefully by Spring 19.
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