Reviewed by: David03/04/2020 11:07PM
Product ownership: Less than 1 month
Purchased from: HD Diesel Supply
I have a 2016 GMC Canyon that I use as needed for moving materials/tractor and as a back up vehicle to a subcompact I use driving all day for work. I purchased it just out of warranty a bit over 60,000 miles. Within the first 3 months the Def pump went bad and knowing my driving habits (<5000 miles/year) my inspection place suggested getting a "delete kit" so I don't have to worry about the Def fluid going bad and other low miles related issues.
After months of research I pulled the trigger with HD Diesel as I see most US based places stopped selling them and HD Diesel pricing was similar to other kits I researched. While doing the delete I also added the cold air intake, the trans tune and the delete exhaust piping. Generally speaking the job isn't that difficult if you work on vehicles except for removal of the exhaust down pipe off the turbo. That one piece of exhaust removal added about 2 hours to the job. Job completed over a weekend.
I'm only a little over 500 miles into the delete and the truck is like a whole new truck as you can now hear the turbo for real, there is instant acceleration and my average MPG went from 26.5 to 30.1 and that includes 100 miles with the truck bed near capacity with 1200 lbs of wood. It's phenomenal was these little engines can do when they breathe naturally.
The biggest sleeper is the trans tune. Don't pass it up as the truck upshifts so much better and it also eliminates the hill descent transmission braking which I disliked very much. East coast we have alot of hills and sometimes the transmission would get near 4000 RPMS in low gear and the only way to turn it off was to change to manual shifting which also kicks in at low gear (2nd I think).
One last thing I did was clean the throttle body. I wish I could upload a photo of the throttle body as it was halfway clogged with the oil vapor slime from the EGR and I know that can't be good for the engine. If you saw my pictures you would do the delete just because of the EGR valve contamination.
HD Diesel Brett was easy to deal with. Thanks guys
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