God, from reading through this fiasco!! You guys bought POS un tested vehicles. I would never be happy with a Speed vehicle if it overheated, turbos broke, bolts falling out, brake problems. You could of bought some China UTV & had better luck & performance!
So I have 3500 miles on my 23 silverado with 3.0 & love it. So far I added 2.5 gallon of def. Average 24.5 mpg on my 20mile round trip to work. Best mileage is 34.8mpg. Your Tahoe comes with the old generation 3.0 LM2 though, 24 Tahoes get the new generation 3.0 LZO like my 2023 silverado. We...
My new 2023 Chevy Silverado 3.0 diesel has it & I hate this feature. I just manually turn it off all the time. I do see the potential issue of a merge/ stop & then try to accelerate while your vehicle shuts off. Other then that I love this truck, I have seen 35mpg averaging around 55mph on a 30...