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Old 04-23-2016, 09:02 PM   #1
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2016 27' International
Estero , Florida
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Feedback on 2015 Silverado 1500 V8 5.3 Eco with 3.42 rear

Everything I read says that my truck, which has the tow package, can do 9,500 pounds of towing. Truck says 1,800 pounds cargo weight, with total GCVW of 15,000 pounds.

We are going to be pulling a 2016 International Signature which is dry weighted at 5,824 pounds.

Just me, the Mrs, and three small dogs, and about 50 pounds of stuff in the truck plus to bicycles in the bed. Figure we have about 300#s of stuff in the trailer, so seems like a no brainer. Am I missing something?

Using a WD hitch so actual tongue weight will be fab below the 900 it can handle.

Thoughts welcome
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Old 04-23-2016, 09:21 PM   #2
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You'll be fine. Just a bit slower in the mountains
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Old 04-23-2016, 09:31 PM   #3
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1971 31' Sovereign
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That's the truck I have but I have the max tow pkg. It pulls the Airstream fine, even up hills on the freeway but I always keep it at 60mph or less.
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Old 04-23-2016, 09:42 PM   #4
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Feedback on 2015 Silverado 1500 V8 5.3 Eco with 3.42 rear

My 08 5.3 with 3.73 gears makes 315 HP, my trailer weighs about 6,700 lbs ready to camp. (I imagine that the newer trucks make more power?)

The worst Hill I climb is an 8% grade south of Globe AZ that knocks me back to about 35 mph. I can pull any grade I have encountered on the interstate highway system between Little Rock, AR and Tucson, AZ at 70 mph plus.

99.9% of the time when towing with your truck I think it will make the speed limit and more with no problem. (And yeah, sometimes I pull 75 and 80 mph across west Texas)


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Old 04-23-2016, 11:42 PM   #5
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355hp on the 2015
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Old 04-23-2016, 11:55 PM   #6
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If memory serves me correctly, the most powerful 454 made by GM after 1977 made about 280 HP.

A new 5.3 will pull that trailer more than satisfactorily.


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Old 04-24-2016, 11:32 AM   #7
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We are averaging 10 to 12 mpg with our 2014 GMC, consistent on north to south, south to north 5000 mile round trip fully loaded each way for 6 month winter stay in FL. We have the tow package which is the best brake controller we have ever used over 20 years towing.

In our opinion, the 5.3 engine is more than adequate at our tow speed never exceeding 65mph.

Having owned 5 diesel duallies over the past 18 years, this GMC All Terrain is perfect for where we take our AS.
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Old 04-24-2016, 12:51 PM   #8
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I pull with a 4.7 and 3.53 rear end (Dakota..same drive train as the 1500). It does the job...and yes you lose speed on the hills if you can't get the engine speed up into its torque speed. A friend of mine was disappointed in the 5.3, but newer models have more HP and Torque. I have always been pragmatic about the under sized engine, since I enjoy better mileage when not pulling the AS. A few slow hills is not a deal-breaker for me. Going to try reprogramming the engine/tranny to get the intermediate gears to hold in longer. Hopefully it won't result in poorer mileage.
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Old 04-24-2016, 01:26 PM   #9
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I have the GMC with the same setup and it seems fine pulling my 23D. I get between 10 and 11 MPG towing with it, but otherwise it seems to handle the load without any issues.
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Old 04-24-2016, 01:37 PM   #10
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You will do fine. Use transmission and select the gear that keeps the engine in enough power range for smooth interstate travel and climbing, and to get up enough engine speed for compression braking (assisted by truck and trailer service brakes if/when needed) descending steep grades.

The third element for comfortable towing is the hitch setup. Research and pick a high quality model with sway control or elimination, and tapered weight distribution bars for flexibility. The sway control of the hitch is also dependent on the stability of the truck's tires, air them up and/or change to a tire with a stiffer sidewall if things are squishy.
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Old 04-24-2016, 02:31 PM   #11
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After over ten years of towing with a bigger more powerful half ton and a lighter AS and wiu the max trailer tow package I think you might possibly be quite disappointed. Re read the responses above regarding concessions they make hill climbing and maintaining speed with the other traffic out there and think lomg about it.
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Old 04-24-2016, 02:39 PM   #12
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It always comes out doesn't it, calling a sensible procedure a concession or some such nonsense.
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Old 04-24-2016, 03:55 PM   #13
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I maintain uphill interstate speeds faster than a lot of people who post on this forum tow on the flats.

#JustSayin


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Old 04-24-2016, 04:21 PM   #14
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I like reviews from these guys who real world test trucks under 9000 lb loads up an 8% grade.

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