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Old 07-11-2014, 02:47 PM   #11
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i have a 2013 ram 1500 with the 3.92 and 5.7 hemi and pull about the same weight as you are. Gas milage is nasty. i get from 9 to 10 mpg. i dont see where you would have an issue with your current truck. as someone else suggested. down shift if you are climbing a big hill or mountain.
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Old 07-11-2014, 07:21 PM   #12
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Thanks everyone, I think I will stay with what I have and replace the gear ratio, I am a mechanic and can do it my self. The new ring and pinion are around $600.00 my cost.
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Old 07-11-2014, 11:12 PM   #13
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Knowing how to do it is a blessing and a curse, isn't it?
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Old 07-11-2014, 11:37 PM   #14
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Have you pulled your unit with this truck very much? My suggestion would be to leave it as it is and tow it for a season. Get a good 'vibe' for what is does and does not do for the season. You may then evaluate it as 'fine'. If your thoughts are to then change the gear ratio, then do that. Keeps your old parts if they are ok. Run your new gear ratio for a season and then re-evaluate your findings.
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Old 07-12-2014, 06:18 AM   #15
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I've pulled it for several trips and it does ok.. What I don't like is the fuel consumption, 8-10 mpg depending on the head wind (that's the killer). If I could get it to 11-13 that would be better and if I needed to go to diesel to get that, that is why I was considering it. Example, this past weekend we went to Iowa, a 1200 mile round trip not counting driving around after getting there. The estimated fuel cost would have been $600.00 based on $3.70 pr. gl. (I don't like ethanol). It was cheaper to stay in hotel.
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Old 07-12-2014, 09:33 AM   #16
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I don't think your fuel well increase enough to offset the $600 you're looking to pay for the new parts, not to mention the cost of your own time to do it. An extra 1mpg, over a 1200 mile trip, is what, 11 gallons? At 3.70 if you round everything off your difference is maybe $40.




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Old 07-15-2014, 10:09 AM   #17
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I didn't think they came with a 3.27 rear ! I thought the highest gear was the 3.55 ?!? ...........
Haven't you heard all of the wonderful Ram marketing about having the most fuel efficient pickups? They tout the mileage of the vehicle with this axle gearing (and likely very low tow rating), then in the next commercial they tell you about the towing ability of the model with the better gearing.
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Old 07-15-2014, 10:11 AM   #18
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My travel trailer empty is just under 5k lbs., my TV is a 2009 Ram 1500 with the 5.7 but it only has a 3.27 rear end gear ratio. My question is should I invest in changing my ratio to ??? or look at getting the new echo diesel Ram, or even up to ram 2500 diesel?
Max tow rating, please.
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Old 07-15-2014, 10:29 AM   #19
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Haven't you heard all of the wonderful Ram marketing about having the most fuel efficient pickups? They tout the mileage of the vehicle with this axle gearing (and likely very low tow rating), then in the next commercial they tell you about the towing ability of the model with the better gearing.

Next commercial? I swear Ford has them in the same commercial.



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Old 07-15-2014, 12:58 PM   #20
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Well, in the case of the Ford Ecoboost trucks, it makes sense to tout both sides.
Any Ram that beats the Ecoboost in tow capacity will lose in non-towing gas mileage.
Likewise, any Ram that beats the Ecoboost in non-towing gas mileage will lose in towing capacity.

This was true going back to my old '89 Probe GT (I4-turbo). Quicker than the V6. But on a highway trip, got much better fuel economy. Turbocharging done right gives you performance on-demand, but also gives the ability to get better efficiency.

No, I don't work for Ford.
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