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Old 07-25-2017, 06:27 PM   #1
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Towing MPG

Hello all!
Towing a 24 ft camper at about 4500 pounds. Made a small trip with it recently and got about 8mpg going about 65-70mph. Here's the thing, I'm not sure of gears but it does have the factory tow pack with the four pin connector. I changed it to a seven pin and finished running the electric brake wire back. I tuned it for towing with a super chips flash paq tuning. I then just turned the O/D off and didn't use Tow Haul. I just changed all 16 plugs and #8 coil pack. Thought about using O/D next time I haul it. Any thoughts on how to improve mpg. It gets barely 14 around town even though the console says 16.

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Old 07-25-2017, 09:38 PM   #2
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Let's start with finding out what your differential ratio is on your truck - I'm a huge fan of the 4:56 gears whether towing or not....
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Old 07-25-2017, 10:00 PM   #3
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Old 07-25-2017, 11:48 PM   #4
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Agreed, gears would make that into a nice tow package.
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Old 07-26-2017, 01:25 AM   #5
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I tow a 36' travel trailer with my truck almost every weekend in the summer and you're going to get poor gas mileage no matter what you do. My campers dry weight is 6,529 lbs, but with it loaded with everything it's probably more like 8,000 lbs. I get around 7.8-8.4 MPG going 65-70 MPH depending on how hilly the terrain is and my speed. I always use the tow/haul to deactivate the MDS. Your speed is a big factor for MPG when towing. I try not to go over 65, but it's hard when everyone else is going 75+. My truck is a 2500 4x4 with a 6.4L engine and a 3.73 axle ratio, and I normally get around 12 MPG city driving, and I always fill with 91 or better octane gas. I came to the conclusion that there isn't much more that can be done.
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Old 07-26-2017, 01:27 AM   #6
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By the way, welcome to the HTC!!

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Old 07-26-2017, 02:46 AM   #7
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Towing gas mileage is what it is. Just keep your speed at the limit and wave at those that go around you.
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Old 07-26-2017, 06:07 AM   #8
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The key is to have the proper truck for the tow. Otherwise you pay at the pump, tear up your equipment and generally unsafe. IMO, all but the new 8spd have really poor gearing and a swap helps save both fuel and equipment. Keep the speed and wieght down and youll have an uneventful tow.
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Old 07-26-2017, 10:53 AM   #9
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Quote:
Originally Posted by Redtruck-VA View Post
The key is to have the proper truck for the tow. Otherwise you pay at the pump, tear up your equipment and generally unsafe. IMO, all but the new 8 speed have really poor gearing and a swap helps save both fuel and equipment. Keep the speed and weight down and you'll have an uneventful tow.
----------------------------------------
- New 8 speed or differential gearing to suit your driving characteristics will help somewhat...I've yet to see a RAM incorporate www.gearvendors.com or a (Hone-O-Drive) (mainly for the Ford 9") Hone overdrive / underdrive into the mix...it would be nice but perhaps too much trouble and not cost efficient.

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Old 07-26-2017, 01:09 PM   #10
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Quote:
Originally Posted by Redtruck-VA View Post
The key is to have the proper truck for the tow. Otherwise you pay at the pump, tear up your equipment and generally unsafe. IMO, all but the new 8spd have really poor gearing and a swap helps save both fuel and equipment. Keep the speed and wieght down and youll have an uneventful tow.
What do you mean by poor gearing? I have a 6 speed transmission in mine. I don't think the cost of changing to an 8 speed to save a few bucks at the pump would be worth it, do you?
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