Sour_Squirrel replied to JRaschke11's topic in 2014 / 2015 / 2016 / 2017 / 2018 Chevrolet Silverado & GMC Sierra 1500Here’s mine. It’s a 2017 that I bought brand new in March. It has a few mods done to it which I have no regrets doing. The truck hasn’t given me any of the troubles you read about in this forum.
The tires are 35x12.5x20 Toyo AT2’s. I don’t care about muscle car like acceleration. What I do care about is decent acceleration, and maintaining speed uphill, while trailering my boat. My 17 foot boat probably weighs just over 3000 lbs loaded. Yes that’s well under the rated tow capacity but what people don’t understand is parasitic drag, not just weight, affects the towing performance. I am also planning on buying a bigger boat in the next two years. Hopefully a 20-21 ft fishing boat. The boat, motor and trailer I’m thinking about will bring the total weight to about 5500-6000 lbs. So that’s why I was asking if swapping in 3.73 (or 4.10) gears would be a good mod to do for towing and for decent fuel mileage (daily driver).
With my truck being less than a year old, would messing with the ecu (programmer) create any waranty issues with the dealer ?
My truck is a 2017. I bought it in March of this year. I haven’t done anything to the ecu and everything, other than lift and wheels/tires, is all stock. So if I go with 4.10’s would that actually bring my fuel mileage up? I’m thinking because with the 4.10’s it be easier to get the truck going with less throttle, this getting better fuel economy. Is that a correct assumption? As mentioned, I don’t drive with a heavy right foot.
Sour_Squirrel posted a topic in 2014 / 2015 / 2016 / 2017 / 2018 Chevrolet Silverado & GMC Sierra 1500A couple of months ago I installed a BDS 6” lift and started running 35” Toyo AT2 tires. The truck drives like a dog now. I know it’s because of the bigger diameter tires but I didn’t think it would make that big of a difference. I was previously running 285/55/20 Toyo’s And the truck felt peppy. Right now the truck has the factory 3.42 gears. If I re-gear the front and rear differentials with 3.73 gears will the truck drive like it did before the swap to 35” tires? I use my truck as a daily driver as well as towing a 17 foot fishing boat. My mileage went down from 18-19 mpg to about 12-15 mpg average. I don’t drive with a heavy foot and I notice it doesn’t go into V4 mode that often anymore. Would 3.73 gears improve my mileage? Also I’ve seen some mention about programmers that compensate for bigger diameter tires. Do these programmers just recalibrate the speedometer or do they also do some sort of reprogramming of the engine computer?
Selling a pair of DL3 powerfold mirrors with chrome caps, signal, puddle lights, heated glass. The mirrors were removed from a 2016 GMC Denali 2500 diesel with the K40 option. The passenger mirror has the temp sensor probe at the bottom of the mirror housing. Driver side P/N: 23180074 Passenger side P/N: 23186412 These mirrors can be used by gas engine trucks or diesels with exhaust brake. $325 shipped
Sour_Squirrel replied to SandyNeck's topic in 2014 / 2015 / 2016 / 2017 / 2018 Chevrolet Silverado & GMC Sierra 1500Maybe try going to another dealer and see if they’ll do anything to help you out.
Sour_Squirrel replied to sswalker's topic in 2014 / 2015 / 2016 / 2017 / 2018 Chevrolet Silverado & GMC Sierra 1500https://www.summitracing.com/int/parts/ksc-vs55010/overview/?retaillocation=int
Selling a pair of DL3 powerfold mirrors with chrome caps. The mirrors were removed from a 2016 GMC Denali 2500 diesel with the K40 option. The passenger mirror has the temp sensor probe at the bottom of the mirror housing. Driver side P/N: 23180074 Passenger side P/N: 23186412 $400 shipped
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