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Old 05-14-2018, 06:32 AM   #341
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Is there any information out there on the 2019 Chevy/GMC 6.2 Max Tow relative to the gas tank capacity?

I agree that the current 26 gallon seems a bit undersized when towing.

Thanks!
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Old 05-14-2018, 07:18 AM   #342
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Not yet. Full specs should be available any day. I'm not holding my breath on larger tank, but I do think we're getting more payload.
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Old 05-14-2018, 07:52 AM   #343
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What advantage is there in having Bilstein shocks? Just asking.
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Old 05-14-2018, 05:29 PM   #344
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What advantage is there in having Bilstein shocks? Just asking.
Here's an explanation of the key differences between standard twin-tube and mono-tube shock absorbers.



Bilstein shock absorbers are not the only mono-tube shock absorber on the market, but they are a premium shock absorber used by OEM manufacturers such as BMW and Mercedes. These shocks offer a more controlled ride and are don't have the same floating/wallowing ride as the stock shocks that come on most light duty trucks out of the factory. I installed these shocks on my 1992 GMC Suburban years ago and it made a world of difference whether towing or solo. The ride seemed a bit stiff for a couple of months and then became much more pleasant with some use and as I became used to the more controlled ride and handling. Bilstein makes shocks for cars, trucks, motor homes, off road vehicles, motorsports, etc.

The 4600 series is for trucks with standard suspension height and intended primarily for on-road use. The 5100 series is for trucks with lifted suspensions and are more geared to extensive off road use as I understand it. Here's another video regarding the design, testing and manufacture of Bilstein shock absorbers.

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Old 05-14-2018, 06:29 PM   #345
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What advantage is there in having Bilstein shocks? Just asking.
Bilstein is just a good quality shock absorber. The link above talks about why Bilstein, but the bigger question is, why a better shock at all?

A spring holds up the vehicle, but will keep bouncing, essentially like a pogo stick. A shock absorber reduces out that bouncing, which is called damping. More damping means that when the shock absorber is compressed, it resists extension, so that the vehicle comes back to the same height, but doesn't keep going (like the pogo stick). This all results in more control, and a steadier ride. There is no impact on load capacity.
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Old 05-15-2018, 06:23 AM   #346
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Koni is a better shock, but doesn’t cover same applications. When it doesn’t, Bilstein is the best entry level aftermarket shock (past usual domestic junk).

But one can move up from here. Better Koni or Bilstein plus Fox, King and others. Custom valving. Price goes up accordingly.

FWIW, I’ve always found it funny that the same guy who’ll pay $250/tire balks at at the same price per shock to preserve that tire and suspension (plus vehicle tracking, etc; all long before ride quality).
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Old 06-05-2018, 10:10 PM   #347
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So, my first Rocky Mountain test with the 6.2l maxtow 1500 and a 9500lb loaded with water and about 250lb in the bed. Left RMNP Aspen Glen CG, went over the top at 12k feet, down the other side and up to Steamboat lake. Very impressed with the power, even above 10k feet. Never went above 4k rpm...mostly around 3500. Speed limit is 35 mph. On the descent (no match for exhaust brake diesel) I turned the as disc brake itbc to 7.5 from its usual 6.5. Used the brakes about every quarter mile for about 3 seconds to keep speed between 30 and 40 mph. Gear selection was 2nd and third depending on grade. Trailer and truck brakes could be touched with fingertips for about a second at bottom of hill. (Forgot my infrared thermometer at home!) There was more brake dust on the AS wheels than normal, but this is a pretty gruelling real world test of a TV. I was very impressed. Mileage for the day was only .5 mpg less than cruising the interstate at 65mph with no wind.
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Old 06-05-2018, 10:15 PM   #348
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Oh, and trans temp was mostly 198* with one spike to 208* for a brief steeper climb.
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Old 06-07-2018, 06:14 AM   #349
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Originally Posted by dznf0g View Post
So, my first Rocky Mountain test with the 6.2l maxtow 1500 and a 9500lb loaded with water and about 250lb in the bed. Left RMNP Aspen Glen CG, went over the top at 12k feet, down the other side and up to Steamboat lake. Very impressed with the power, even above 10k feet. Never went above 4k rpm...mostly around 3500. Speed limit is 35 mph. On the descent (no match for exhaust brake diesel) I turned the as disc brake itbc to 7.5 from its usual 6.5. Used the brakes about every quarter mile for about 3 seconds to keep speed between 30 and 40 mph. Gear selection was 2nd and third depending on grade. Trailer and truck brakes could be touched with fingertips for about a second at bottom of hill. (Forgot my infrared thermometer at home!) There was more brake dust on the AS wheels than normal, but this is a pretty gruelling real world test of a TV. I was very impressed. Mileage for the day was only .5 mpg less than cruising the interstate at 65mph with no wind.
Thanks for the update.

Just curious what the "normal" MPG were cruising the interstate at 65 MPH?
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Old 06-10-2018, 08:08 AM   #350
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Having been exposed to NASCAR engine shops when I lived in Charlotte, I learned that there are so many variables that impact actual horsepower and mpg. Wind direction, wind speed, highway terrain, road surface, tire pressures, fuel octane, ambient temperature and relative humidity not to mention over all weight and the aerodynamics of the truck and trailer being towed. Which is why the fine print reads ....“your actual mileage may vary....”

In addition to reading this thread from the start, the best side by side comparison I found on the web and used when I was shopping for my truck to tow my 2018 27FB was this one......http://news.pickuptrucks.com/2016-texas-truck-showdown/

An answer to your questions you will find there.
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Old 06-10-2018, 08:15 AM   #351
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Thanks for the update.

Just curious what the "normal" MPG were cruising the interstate at 65 MPH?
No wind= 12.4 pretty consistently
Strong headwind or quartering headwind = 10 - 10.5
Tailwind or quartering tailwind = 13 - 13.5.
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Old 06-10-2018, 04:55 PM   #352
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My 2008 Ford F250 V10 did the same trip with my 2002 Classic w/SO, so about the same weight as yours. No increase in tranny temp, maintained suggested speeds no problem, and tow/haul tranny setting hardly touched my brakes. Fuel towing average was 9.5 mpg in mountains and 10.1 flat land doing 65 mph. Love my Ford V10.
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Old 06-10-2018, 05:55 PM   #353
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I have a 2018 gmc with the 6.2 and max tow. Last week towing our 27ft international, averaged between 13-14 mpg driving from Indy to north Ga. A lot of up and down interstate through Kentucky and TN. Mostly cross wind the whole time from the tropical depression that was going through. Love everything about the truck except for the 8 speed transmission . When not pulling anything, there is a lot of hesitation when accelerating. Like it can't figure out which gear to go to. Overall mileage since I've owned the truck is 21.1 mpg. All computer calculated.
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Old 06-10-2018, 06:15 PM   #354
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Mine is pretty much a dedicated tow vehicle. Lifetime mileage is 13.1.
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Old 06-10-2018, 06:47 PM   #355
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I have a 2018 gmc with the 6.2 and max tow. Last week towing our 27ft international, averaged between 13-14 mpg driving from Indy to north Ga. Love everything about the truck except for the 8 speed transmission. Overall mileage since I've owned the truck is 21.1 mpg. All computer calculated.
Thanks for those numbers! This is likely going to be my next tow vehicle. If the overall 21.1 mpg includes towing, that is very impressive. I would like to stay in the 1/2 ton truck market and need close to 2000lbs of payload. This vehicle seems to be right in that wheelhouse.
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Old 06-10-2018, 08:38 PM   #356
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Those numbers do include towing, but I should note that I've towed the Airstream on 2 trips, about 2000 miles of the 11,000 miles I have on the truck. The majority of the rest of the miles are on interstate or country roads. Very little stop and go traffic. It's nice to walk to work every day. Payload on my truck is @1950lbs.
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Old 06-10-2018, 08:40 PM   #357
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Those numbers do include towing, but I should note that I've towed the Airstream on 2 trips, about 2000 miles of the 11,000 miles I have on the truck. The majority of the rest of the miles are on interstate or country roads. Very little stop and go traffic. It's nice to walk to work every day. Payload on my truck is @1950lbs.
Mine is a double cab, regular bed, LTZ...payload 2034.
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Old 06-10-2018, 10:49 PM   #358
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I have a 2018 gmc with the 6.2 and max tow. Last week towing our 27ft international, averaged between 13-14 mpg driving from Indy to north Ga. A lot of up and down interstate through Kentucky and TN. Mostly cross wind the whole time from the tropical depression that was going through. Love everything about the truck except for the 8 speed transmission . When not pulling anything, there is a lot of hesitation when accelerating. Like it can't figure out which gear to go to. Overall mileage since I've owned the truck is 21.1 mpg. All computer calculated.

Have you taken the truck back to the dealer to discuss the transmission. Towing my 34 foot trailer or solo, I've had virtually no transmission hunting problem. The transmission is one of the best parts of the vehicle. My only transmission complaint is an occasional harsh 1-2 upshift under very light throttle.
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Old 06-11-2018, 05:05 AM   #359
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Originally Posted by Mike S. View Post
I have a 2018 gmc with the 6.2 and max tow. Last week towing our 27ft international, averaged between 13-14 mpg driving from Indy to north Ga. A lot of up and down interstate through Kentucky and TN. Mostly cross wind the whole time from the tropical depression that was going through. Love everything about the truck except for the 8 speed transmission . When not pulling anything, there is a lot of hesitation when accelerating. Like it can't figure out which gear to go to. Overall mileage since I've owned the truck is 21.1 mpg. All computer calculated.


Am “breaking in” (500 mi no towing) per the manual a 2018 Chevy Tahoe RST 6.2L....before towing 2017 FC23FB (6000 lbs)....formerly pulled with a 2010 Tahoe w/tow package (320hp; 325 ft-lb)....8100 lb towing capacity; which did fine, holding on with a prayer to climb those mountain passes in Wyoming and Colorado during the summer heat - just made it.......What a difference...the 10 speed; extra power (+100 hp) and torque (+120 ft-lbs), new electronic suspension amazing Tahoe fits in the garage; weight distribution hitch setup no change; controls/inst similar-intuitive; ...have read some articles that when towing mpg Tahoe best in class and with 26 gal tank....may have the longer range compared to Expedition - will see; hope to get 13+mpg from 9.5 mpg; 30% ; maybe even better?....but i guess it should as it cost about the same as the AS. Long term...No intention to have a longer trailer.... to learn more about the logic on grade braking...etc...
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Old 06-11-2018, 05:48 AM   #360
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Steve, I have talked to them about it. I will admit that some of the problem might be that I was cheap for the first few thousand miles, and put regular or mid grade gas in the truck. I gave in and started using premium, and that helped some. Might be a situation where I have to have them start the "learning" process over again, since the transmission is adaptive, or something like that. And I get the hard upshift , too. Transmission does great when pulling the Airstream, that's why I think my transmission might need to start over.
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