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Old 02-14-2012, 07:41 PM   #1
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Ecoboost

This is a friendlier forum on the truck subject than the other "RV" forum out there. My trailer is 7500 GVW and I have never weighed it. As much as I would love to get a diesel, the money just isn't there to do it. I am thinking an ecoboost would suit me. My current f150 works well for towing my trailer but I would love to have more power at times. My truck is my daily driver with a 70 mile round trip commute to work. 7500lbs seems to fit well within the specs of the f150 max tow specs. I would have to get about an 08 diesel to get the truck in the ecoboost price range. I guess should I stick with what I have, or start looking at an ecoboost? How are those that have them towing their trailers?
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Old 02-14-2012, 08:37 PM   #2
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Quote:
Originally Posted by Derek700 View Post
snip.....I guess should I stick with what I have, or start looking at an ecoboost?.....snip
Derek700,

Before you spend any $$ on an up-graded TV, a little more information about your existing F150 would be helpful:

* Body style/engine/rear gear ratio
* GVWR
* GCVWR
* Published Tow Rating.
* Payload/cargo capacity

For reference:

2010 Eagle Superlite 256RKS Weights:

Unloaded Vehicle Weight 5,570 (lbs)
Hitch Weight 625 (lbs)
Gross Vehicle Weight 7,350 (lbs)
Cargo Carrying Capacity 1,780 (lbs)

With the additional TV information we can crunch some numbers and see what they tell us.

Bob
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Old 02-15-2012, 04:40 PM   #3
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Ok hopefully I can get some of this on here for u. We are more want than need right now for a truck.
05 XLT Supercab 6.5 ft' box max tow package.

GVW 7200 lbs
tow rating 9900 lbs
5.4 3v engine
3.73 gears
4spd auto( I always turn off od when towing)

I couldn't find GCVWR rating on the door.
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Old 02-15-2012, 06:04 PM   #4
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Quote:
Originally Posted by Derek700 View Post
snip...... I couldn't find GCVWR rating on the door.
Normally it will be in the "Specifications" section of your owners manual with all the other weights and capacities.

Appreciate the added information......., I'll take a look at it and reply back shorty.

Bob
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Old 02-15-2012, 07:23 PM   #5
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GCVWR is 15000lbs and max trailer weight for my model is actually 9300lbs.
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Old 02-15-2012, 08:02 PM   #6
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Derek700,

The good news first; Based on the information you supplied about your F150, and what we know about the 2010 256RKS, I agree with you that your F150 is a nice fit for the 256RKS. IMO up-grading your TV now isn't required unless you plan to upgrade your TT in the near future .

The following data may be a little overkill, but may be helpful for those reviewing your thread......,

I thought we would first work with your 2010 256RKS under two different loaded conditions, one at the GVWR of 7,350lbs (Jayco website).

RV and WDH manufactures recommend the loaded TT tongue weight to be 10% to 15% of the loaded TT weight...., however, 13% to 15% will enhance TV handling of your 28ft long TT. Knowing the potential loaded tongue weight one can than confirm that the TV's receiver is rated correctly in the WD mode, and for sizing the correct WDH spring bars.

Jayco 256RKS:

Under "maximum" TT loaded conditions: 13% to 15% of 7,350lbs = 955lbs to 1,102lbs.

Under a hypothetical loaded condition: 13% to 15% of 6,720lbs = 874lbs to 1,008lbs. 5,570lbs (UVW) + 200lbs (added for actual ship weight) + 150lbs (battery, WDH, etc.) + 800lbs (cargo, stuff) = 6,720lbs Loaded TT weight.

Ford F150:

GVWR 7,200lbs
GCVWR 15,000lbs
Towing Capacity 9,300lbs
Payload Capacity ?

The 5.4L with the 3.73 gear ratio is a nice drivetrain for towing a TT. As you may know, usually the first weight limit that can be max'd out with many 1/2 tons is the payload capacity. What many folks overlook is the fact that the TT's loaded tongue weight is subtracted from a TV's payload capacity.

Weight comparisons:

15,000lbs (TV GCVWR) - 7,350lbs (TT GVWR) = 7,650lbs for TV.
15,000lbs (TV GCVWR) - 6,720lbs (TT hypothetical) = 8,280lbs for TV

In both cases above the TV weights remaining are higher than the TV's GVWR of 7,200lbs, this is good as long as you don't exceed your F150's GVWR.

The only unknown is your F150's specified payload capacity. The sum total of the TT loaded tongue weight, TV passenger weights, and TV cargo weight must not exceed the specified payload capacity (reference tongue weights above).

Your "actual" tow rating is less than published tow rating of 9,300lbs, to get your actual tow rating you subtract the sum total weights of TV options, TV passengers, and TV cargo. https://www.jaycoowners.com/showthread.php?t=3866

In cases where actual weights aren't known (or to avoid number crunching), some folks will use 80% of the the published tow rating as a "not to exceed" GVWR for a TT choice. Using this ball-parking method 80% of your 9,300lbs = 7,440lbs maximum TT GVWR....., so you are still good.

If you get a chance, for fun hit a CAT scale if the opportunity arises: https://www.jaycoowners.com/showthread.php?t=3871

Summary; watch that you don't exceed your TV's GVWR (overloading TV box, etc.) and/or payload capacity (which includes tongue weight). Also confirm that your receiver is up to the task as well (it should be fine).

I apologize for the information overload, I was on a roll this evening

Bob
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Old 02-16-2012, 05:09 AM   #7
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I'm not going down the arithmetic road, I'm just going to answer your question. I bought an XLT SCREW 4x4 6.5' box 3.73 LS gears Max Tow package equipped EB truck last spring and towed with it all summer. I pulled a 23B, had 5 mountain bikes in the back plus a small grill and firewood packed into every available spot. My wife and 3 kids aged 11-16 rode in the cab.

The truck tows awesome! It definitely has 90% of the diesel-like performance qualities such as acceleration and lots of torque. The truck rarely downshifts when negotiating overpasses, etc. A really long or steep hill will get a downshift but not much else. Passing a slower vehicle is impressive and easy with the EB as well as merging into traffic. No problem getting up to speed.

Towing mpg is 10. City and Highway mpg is for me a bit hard to report unless you reset the computer when you reach cruising speed and then read the results before your next stop. Your averages drop quickly when you start varying your speed. Over the last 8000 miles my overall average has been 15.3. That includes towing for 28 days of camping all last summer.

Bottom line is buy it for the power, acceleration and performance not the EPA estimated mileage sticker. You are buying a truck...period. It will burn gas like one.
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Old 02-16-2012, 08:36 AM   #8
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This is all great info for me , we are going to use the truck this summer and then the 7 year itch may set in. As far as epa mileage goes I look at it but that is all. I am happy with my current truck but would like some more power on some of our mountain passes. I think an ecoboost will be in tjef future. My other choice in a diesel today would probably be a duramax, but that adds close to $20,000 to the truck which buys a heck of a lot of gas.
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Old 02-16-2012, 08:58 AM   #9
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Quote:
Originally Posted by Derek700 View Post
snip...... I am happy with my current truck but would like some more power on some of our mountain passes....snip
Derek700,

A friend of mine (dale2629 @ RV.NET) purchased a F150 EcoBoost last year, and I found it to be an impressive truck when looking it over during a camping trip last summer. You may find his review of his TV/TT combination at RV.NET interesting relative to mountain towing.

http://www.rv.net/forum/index.cfm/fu...4.cfm#25353964

Bob
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Old 02-16-2012, 09:22 AM   #10
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Quote:
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Derek700,

A friend of mine (dale2629 @ RV.NET) purchased a F150 EcoBoost last year, and I found it to be an impressive truck when looking it over during a camping trip last summer. You may find his review of his TV/TT combination at RV.NET interesting relative to mountain towing.

http://www.rv.net/forum/index.cfm/fu...4.cfm#25353964

Bob
That is well worth reading!
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