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19trax95's 2015 High Country Duramax

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Re: 19trax95's 2015 High Country Duramax

Postby thkbaron » Dec 19 2019, 6:14am

Yeah the wheel depends on the truck for sure.
2016 Silverado 1500 LT.
Black Rhino Sidewinder Wheels
33 12.5 20 Trail Grapplers
OE Style Bushwacker Flares; Fender Vents, Cognito UCA's, CST 4.5, Bilstein 5100s
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RB20 Go Rhino Boards
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Re: 19trax95's 2015 High Country Duramax

Postby 19trax95 [OP] » Dec 22 2019, 9:46pm

Well since FedEx has repeatedly dropped the ball on delivering several packages on time and/or losing them entirely, I only received my fuel additive today.

But I took the first day above freezing we have had since I got the truck to wash the salt off it and give it a quick bath and once over.

As I expected I found a few spots it moderate surface rust in some areas. Mainly above the spare tire, and upfront around the steering box. Will be fairly quick work come spring with a wire wheel and some paint. Still plan on removing the bed and doing a deep clean and paint.

I removed the taillights and washed out the bed sides real good. Surprisingly there was not a ton of junk built up. Just what I'd say is a normal amount. ImageImageImage
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Re: 19trax95's 2015 High Country Duramax

Postby jgraves » Dec 22 2019, 10:28pm

Are you going to remove the mud flaps? They look like the same ones you took off your old truck


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Re: 19trax95's 2015 High Country Duramax

Postby 19trax95 [OP] » Dec 22 2019, 10:31pm

Yes. Those will be gone come spring. I am fully expecting rubbed paint underneath them just like my 17 had. Except it will probably be worse since the truck is a few years older
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Re: 19trax95's 2015 High Country Duramax

Postby 19trax95 [OP] » Dec 24 2019, 4:09pm

So first full week evaluation.

Truck is awesome. Really love the power delivery. Cant wait to get it all set up right with some tunes and delete.

Fuel milage is right about the same or slightly better than my 17 was getting doing the same driving. Hard to gauge it since it has a 34 gallon tank compared to the 26 my 17 had. But I filled it up when I got home last Monday and it took until Thursday night for the needle to move off full lol. I will have hand calculated numbers this afternoon when I fill up. But if the dic is correct I'm right at 12.5 mpg for all around town driving and one quick highway trip. My 17 would be just under that at around 11.5-12 given the cold weather we had last week and the remote start in the morning

Also, the high idle works sweet. Can remote start it 5-8 minutes before I leave and when I get in the trans is up to 150 and the motor is around 170 already. The way it uses the torque converter to warm things up is really a good system.
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Re: 19trax95's 2015 High Country Duramax

Postby thkbaron » Dec 24 2019, 6:21pm

Glad you are liking the swap. Funny you mention the bigger tank. I’m getting the illusion of good mileage too. I have a 31 gallon. At least around town.
2016 Silverado 1500 LT.
Black Rhino Sidewinder Wheels
33 12.5 20 Trail Grapplers
OE Style Bushwacker Flares; Fender Vents, Cognito UCA's, CST 4.5, Bilstein 5100s
Katzkin
RB20 Go Rhino Boards
Tune by LEW
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Re: 19trax95's 2015 High Country Duramax

Postby 19trax95 [OP] » Dec 24 2019, 6:26pm

Yeah the bigger tank is nice. Well until you need to fill it that is lol.
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Re: 19trax95's 2015 High Country Duramax

Postby SierraWilks » Dec 24 2019, 6:37pm

19trax95 wrote:So first full week evaluation.

Truck is awesome. Really love the power delivery. Cant wait to get it all set up right with some tunes and delete.

Fuel milage is right about the same or slightly better than my 17 was getting doing the same driving. Hard to gauge it since it has a 34 gallon tank compared to the 26 my 17 had. But I filled it up when I got home last Monday and it took until Thursday night for the needle to move off full lol. I will have hand calculated numbers this afternoon when I fill up. But if the dic is correct I'm right at 12.5 mpg for all around town driving and one quick highway trip. My 17 would be just under that at around 11.5-12 given the cold weather we had last week and the remote start in the morning

Also, the high idle works sweet. Can remote start it 5-8 minutes before I leave and when I get in the trans is up to 150 and the motor is around 170 already. The way it uses the torque converter to warm things up is really a good system.


Was your '17 a 5.3L at 11.5-12mpg?
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Re: 19trax95's 2015 High Country Duramax

Postby 19trax95 [OP] » Dec 24 2019, 6:39pm

In the winter around town yes.

In warmer weather it would be around 14-15 depending how hard I was driving. Highway it would get 19 easily if I kept it 65 or under. Over 65 it would drop to around 17 or so.

That was with the lift and 33x12.5 tires.
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Re: 19trax95's 2015 High Country Duramax

Postby SierraWilks » Dec 24 2019, 6:57pm

19trax95 wrote:In the winter around town yes.

In warmer weather it would be around 14-15 depending how hard I was driving. Highway it would get 19 easily if I kept it 65 or under. Over 65 it would drop to around 17 or so.

That was with the lift and 33x12.5 tires.



Gotcha.....nice truck by the way.
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