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Old 10-09-2013, 07:40 PM   #1
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6.2 or 6.7

On the fence here guys. Looking at a 6.2 gas vs 6.7 diesel in a F250. Most of my towing will be done in the lower elevations in Louisiana through Florida. I would like to head up in to Tennessee and Arkansas eventually. Right now my travel trailer weighs in at about 7,500 lbs. I do plan on getting a fifth wheel down the line that's gonna weigh a little more. What's some real world numbers on how much the 6.2 can tow?
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Old 10-09-2013, 08:33 PM   #2
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I've heard a lot of good things about the 6.2L, but exact numbers, I haven't heard. I know people have towed (and are towing) with it, but I'm not sure. Properly outfitted (4.30 gears), it is a quite capable truck.

Now that being said, I really do love my 6.7L. It tows my 5th wheel (around 11,000 as we tow it) beautifully. I am completely satisfied with it...even with the disparate price of fuel.
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Old 10-09-2013, 09:12 PM   #3
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Originally Posted by LSUTiger View Post
On the fence here guys. Looking at a 6.2 gas vs 6.7 diesel in a F250. Most of my towing will be done in the lower elevations in Louisiana through Florida. I would like to head up in to Tennessee and Arkansas eventually. Right now my travel trailer weighs in at about 7,500 lbs. I do plan on getting a fifth wheel down the line that's gonna weigh a little more. What's some real world numbers on how much the 6.2 can tow?
I have a 2011 6.2L gas, with 8ft bed 2 wheel drive.
I had a 5th wheel that was close to 10,000 lbs loaded and had no problems where ever I travelled. I used to have a 6.0L Ford Powerstroke diesel and decided to switch to gas because of the diesel prices and just didn't need it to haul my 5th wheel. Fuel mileage was close and didn't have to worry about expensive oil changes and diesel fuel additive you need.
I have driven many mountain and hills without any problems with my 6.2L gas.
With only 7500lbs you shouldn't have any issues and you should be ready for your 5th wheel in the future.
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Old 10-09-2013, 09:36 PM   #4
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The problem may lie in the next camper you have. Lots of people are happy with the gasser, but it depends on how big of a 5er you want. Remember too, the 5er will have more wind resistance. I just bought a 6.7 on Friday but had a '10 6.4L for 3 years. It is nice to have the power to pull just about anything at highway speeds. That being said, consider at least an F350 SRW for your truck as the payload runs out quick with 5ers. Also, the price is only around $800 more than an F250 and gets the same mileage. Plus, whichever engine you decide on, you will have the payload capacity to carry it. Just my thoughts on the subject. But congrats on which ever truck you want!
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Old 10-09-2013, 10:11 PM   #5
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The problem may lie in the next camper you have. Lots of people are happy with the gasser, but it depends on how big of a 5er you want. Remember too, the 5er will have more wind resistance. I just bought a 6.7 on Friday but had a '10 6.4L for 3 years. It is nice to have the power to pull just about anything at highway speeds. That being said, consider at least an F350 SRW for your truck as the payload runs out quick with 5ers. Also, the price is only around $800 more than an F250 and gets the same mileage. Plus, whichever engine you decide on, you will have the payload capacity to carry it. Just my thoughts on the subject. But congrats on which ever truck you want!

I agree! LOL
If you plan on pulling a 15,000 -16,000 lb 5th wheel yes you must get a diesel. Oh the difference between the gas and diesel F-250 is between $8,000 and $10,000 dollars more on the sticker price. I can buy lots of gas with that savings.
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Old 10-09-2013, 10:24 PM   #6
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Totally agree with Iggy. I love our 6.2 and not to forget the maint costs of a diesel on top of the 8 to 10k the power train adds to the total. FWIW we went down through Tennessee this summer and had issues at all hauling 8500lbs + 4 adults in the truck.
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Old 10-09-2013, 10:26 PM   #7
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What about the rear end? 355 or 410? What's your thought on this?
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Old 10-10-2013, 03:13 AM   #8
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I do not believe a 4.10 is available in the newer gas trucks. I think you can only get a 3.73 or a 4.30. Depending on which configuration you get, 2WD or 4WD, and cab design, the 3.73 can pull up to 12,500 pounds conventionally and fifth wheel up to around 15,300 pounds. That is a LOT of camper. Remember though the GVWR is at 19,000 for the 3.73 and 22,000 for the 4.30. Some people pull over the GVWR all the time. I used to as well. With the truck weighing around 7k, without anyone or anything(fuel, gear, family etc.) in it will quickly pull down the maximum trailer weight allowance. That is if you care about staying within the specs. I have one dually, an 8.1L Chevy that cannot pull our 15.5K fifth wheel on the interstates due to not having enough torque, but can pull it on most 55 MPH roads anywhere around with relative ease. Yes, the other guys are correct, you can put a LOT of gas in one for the $8000 price difference. That was my philosophy as well, until I got a camper right on the line of what it was rated to pull. Then became unhappy with the performance on long trips. Buying the correct truck the first time alleviates that. The new Fords are great in any package. I'm not trying to get you to buy a diesel or talk you into a gasser, just trying to point out the differences so you can make an informed decision. And yes, the F350 is available in SRW with a 6.2L gas engine. Just watch your payload ratings as you don't want to max out your truck from day one. Happy hunting for your new truck!
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Old 10-10-2013, 06:22 AM   #9
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I own a 2011 F250 6.2, 3:73 gear ratio SRW and pull a 2014 Silverback 33RL. I just got back from Kentucky and had no problems, I went up and down a lot of steep hills and the truck lacked nothing. I am going to upgrade to the 4:30 gear ratio next year, which should make it more towable with little MPG increase.
Just so you know there is little difference between the F250 and the F350, and they are rated the same. With the F350 you can get the DRW which is always a good upgrade.
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Old 10-11-2013, 12:25 AM   #10
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"Just so you know there is little difference between the F250 and the F350, and they are rated the same."
Nope.
The truck I ordered is being built right now.
The max GVWR for an F250 is 10,000 lbs.
The SRW F350's start at 10,000 lbs.
2014 Ford Super Duty | View Payload Specifications | Ford.com

Real world numbers are given on the Ford web site.
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Old 10-13-2013, 05:49 PM   #11
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Go for the diesel...just traded my 2013 6.2L gasser for the 6.7L Diesel. Pulling a 8000lb TT and went from 8.9 mpg with the gas to 14.2 with the diesel...the economy alone makes up for the difference in price...don't make the mistake I made...completely happy now.
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Old 10-13-2013, 11:22 PM   #12
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I recommend you get an F350 for the increased payload you get over an F250, it's going to be worth it in the long run. As far as diesel vs gas I think it comes down to your future plans. If you're thinking big 5'er down the road then I'd recommend a diesel. I've towed with both and now that I have I can't imagine not pulling with my diesel F350.
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Old 10-13-2013, 11:46 PM   #13
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To help make your decision, look at torque specs @RPM. I can only speak for the Dodge Cummins 5.9L that we own. We get 625 pounds of torque at 1500 RPM. A Dodge gas 10 cyl. will get close to that torque, but requires 7000 RPM to do it. I have towed a 10,000# 30 ft. 5th wheel with a 454 Chev 1 ton gasser and it ran hot, and lagged on hills. Towing the same 5th wheel with the Diesel I can accelerate up long 7% grades, in Drive with the A/C on. Towing with the Diesel we got 12 to14 mph towing the 5er, now we get 17 to 19 mpg towing a VCross vibe. The mileage depends on the use of our A/C and mountain driving.

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Old 01-03-2014, 09:10 PM   #14
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6.2 vs 6.7

Owned a 2011 F250 6.2 CC and feel it is a great power plant as long as you keep it below the Ford ratings. I really did not like the higher RPM under load. My fiver comes in about 11500 loaded. A trip out to the Rockies convinced me to trade up to the 2012 F350 6.7. Makes all the difference if you tow regularly. The added hp and torque is worth the extra cost in fuel and maint. I have seen a significant increase in the MPG with the 6.7 so it balances out fuel wise. The 6.7 is not a good daily driver though. It is happiest under load.
So far it is everything I wanted in a truck. A little over 10k miles and not a glitch. Absolutely solid. Could not be happier.
Good luck with which ever selection you make.
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Old 01-10-2014, 11:06 AM   #15
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A Dodge gas 10 cyl. will get close to that torque, but requires 7000 RPM to do it.

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I think you have a typo here. I seriously doubt you could even get a V10 Dodge to run to 7K, and if you did you'd encounter some serious valvetrain problems before long. Most V10 engines produce max torque in the low 3K RPM range. Large V8 engines tend to peak in the low to mid 4K range and small V8's tend to peak in the upper 4's and lower 5's.
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Old 01-10-2014, 11:45 AM   #16
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Every year the gas engines seem to get better. $.80 difference for diesel over gas, $62.00 for a new diesel fuel filter, that's just for the part, every 15,000 miles, $90.00 oil change every 5,000 miles. Same fuel mileage empty as a new gasser...This thing is killing me. Sure a new gas powered truck won't tow as well, but towing only accounts for 25% of my annual miles...I'll go with a gasser next time and it won't happen soon enough..
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Old 01-10-2014, 12:50 PM   #17
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On the fuel mileage disparagy while towing, I have the 6.2 and my brother has the 6.7, and the cost difference for every 100 miles of towing is about $4.00 more on the 6.2 . We have similar 5th wheels, both 36 feet in length.

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Old 01-10-2014, 01:16 PM   #18
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If not for the emissions controls and ULSD mandate, I think we'd be seeing diesel cheaper than gas, 25mpg+ on the highway, engines good for 400,000 miles plus, and diesel options for $3K less. That would be a winning combo. Basically a newer 5.9 Cummins with increased output. As things now stand you have to really NEED a diesel to justify the expense. If you've got money to burn and don't have to justify it, then sure, diesel is the way to go.
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Old 01-10-2014, 01:18 PM   #19
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Quote:
Originally Posted by Twisty View Post
"Just so you know there is little difference between the F250 and the F350, and they are rated the same."
Nope.
The truck I ordered is being built right now.
The max GVWR for an F250 is 10,000 lbs.
The SRW F350's start at 10,000 lbs.
2014 Ford Super Duty | View Payload Specifications | Ford.com

Real world numbers are given on the Ford web site.
Look at the towing spec for 5th wheel towing with 3.73 Axle Ratio SRW:

The GCWR (combined weight of truck and trailer)

F250 max 19,000

F350 Max 30,000

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Old 01-10-2014, 01:24 PM   #20
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Go for the diesel...just traded my 2013 6.2L gasser for the 6.7L Diesel. Pulling a 8000lb TT and went from 8.9 mpg with the gas to 14.2 with the diesel...the economy alone makes up for the difference in price...don't make the mistake I made...completely happy now.

With what Combined Weight?

.
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