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International Automotive Technicians Network
Re: GM 8 speed programming: TUN and PUN
Posted to Technical Discussion Forum on 6/29/2020

Well, the job is kind of done....

First, the backstory: this was a job for a speed shop. Think of the kind of place where you see C8 Vettes getting nitrous kits and a 2000 HP dyno in the floor.

The job was on a '16 Silverado with a supercharged 6.0 and the... Login to read more.