Anyone be nice enough to post 2020 L87 L84 stock file with 10L80 tranny. Could maybe be 19 or 21 but my trucks a 20 got something I want to check plz. Can’t locate anything in repository.
Anyone be nice enough to post 2020 L87 L84 stock file with 10L80 tranny. Could maybe be 19 or 21 but my trucks a 20 got something I want to check plz. Can’t locate anything in repository.
Last edited by 15ltz6.2; 03-23-2024 at 09:46 PM.
Here is a stock file
2020 GMC Sierra 1500 AT4 Crew Cab 6.2L Stock File.hpt
Here's an L84 file with trans
2020 silverado 5.3 a10 stock tune file.hpt
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