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Old 08-26-2019, 02:05 PM   #57
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I have never understood so much angst over gas mileage. Heck, it's a motorhome. I never give gas mileage a second thought. It is what it is. I fill up the tank and go have fun.
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Old 08-26-2019, 05:10 PM   #58
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Ya know, my motorhome house beats the crap outta my S&B house when it comes to gas mileage AND I don’t need a permit and escorts to move it down the highway.
I run the motorhome, when it gets down to about 1/3 tank left I look for fuel, remedy the situation and keep on motoring down the road.
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Old 08-26-2019, 05:41 PM   #59
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I have a 2016 Coachmen Freelander 24 ft with the 5.4L V8 just came back from a 2800 mile road trip from Livermore, Ca. to Billings, Mt. and I kept records of gas/mileage and came to the conclusion that I averaged 12-15 miles per gal. no towing of anything.
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Old 08-26-2019, 07:33 PM   #60
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I don't need torque rolling down a hill.

My 2 valve V10 doesn't have 362 HP

They de-tuned the V10 in 2016, lowering the WOT RPMs, HP and maybe the torque. I don't care, it's better then my 2000 V10.

All of your #s are irrelevant.

Quote:
Originally Posted by legrandnorm View Post
For a V-10, it is a small block of 413 cu.in. , 6,8 L, great 362 HP at 4,750 RPM but lack of TORQUE at only 460 lb-ft at 3,250 RPM
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Old 08-26-2019, 07:39 PM   #61
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Originally Posted by GoneToTheDog View Post
I have never understood so much angst over gas mileage. Heck, it's a motorhome. I never give gas mileage a second thought. It is what it is. I fill up the tank and go have fun.
Thank you for your comment
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Old 08-26-2019, 08:28 PM   #62
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What a great thread and I want to thank everyone for their input.... one thing for sure... it proves, MH's no matter what size won't get the same gas millage as my Subaru Outback :-) But, I'm not looking at that as a bad thing... I"ve had Motor homes over the years, Gas and Diesel and even including a 37' sport fisher with 2 GMC 454 gas engines and I will say.... None of them get good gas millage....


I wanted to chime in on my situation, I have a GMC Sierra 2500 HD with the 6.0 gas engine and I am pulling a Jayco Jayflight 26rks travel trailer.. Nothing fancy... and not too big and on our recent trip to the Smokey's last week (about 200 miles each way.) I got 9.1 mpg (yes, that is by the onboard computer, and could be off a little but the important fact is that it's consistent of what I've seen pulling the TT over similar terrain and weather. One thing for sure, the world in not flat and all of us will have to deal with the ups and downs.. some more than other.



I've given thoughts of changing out my Tow Vehicle for a new diesel.. but have decided that isn't really going to do much for me... the power is a trade off of initial cost to buy, maintain and yes, purchase diesel fuel... I paid $2.19 per gallon for 87 octane vs the same station selling diesel at $2.89 per gallon and DEF at 2.90 per gallon...



Actually I came back on here to look once again at MH's and to see what the current status is on the current range of Class C's with the E450 and V10 and I've gained a lot from this thread and I think all of you for posting your millage and experience... my guess we will all get different millage because none of us drive exactly like the other....and we don't all drive down the same road at the same time!



In my mind, Millage doesn't really matter in the long run compared to what we pay for these things and how fast the deprecate over time, I guarantee you that just depreciation over the years will take more out of your investment than the difference of 7 or 9 miles per gallon! I"d also say where you buy gas (state by state) you easily can pay 30% more in California than we do here in Tennessee... but, I still see a lot of people driving to California :-)



I started with our first Lazy Daze 22' motorhome in 1995 with a Chev 454 and back then.... I was getting 10mpg... and that has not changed much as it seems! But, that same MH has gone from less than $40,000 to today $100,000 plus....



Thanks for all the input no matter what the mileage I do get a kick out of all the different reasoning of why you get what your getting :-)



Happy Travels...
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Old 08-26-2019, 08:37 PM   #63
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Quote:
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Thank you for your comment
I have always held the belief that [motorhome] and [gas mileage] should never be used in the same sentence.

Brings back a memory of when I was a very young man. A nice elderly lady in the small town I grew up in bought a beautiful new Lincoln Town Car one year. She related this conversation to me shortly after.
At lunch with a group of ladies one day, one of the other ladies asked her what kind of horrific gas mileage that big car got.
She looked across the table and kindly said...."Well, I have no idea honey. If I
should ever need to begin to worry about the gas mileage, then I surely couldn't afford the car to begin with".
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Old 08-26-2019, 09:21 PM   #64
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I've never really considered any engine over 350 cu. in. to be a "small block".

Lack of torque at 460 lb/ft? How soon we forget the dark days of carburetion, when a 454 was lucky to see 385 lb/ft.
And I never understood people who don't care, but hey, we're both happy so who cares?
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Old 08-26-2019, 11:08 PM   #65
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To try and compare MPG is a fools errand, too many variables, but yes with enough data they tend to average out. The MPG varies by weight, speed, wind and it's direction, grade, temperature, altitude and the additives in the fuel. I have 15 years of records and have seen the effect of all of these. I do not buy gas in California, if I can help it, not only because of the cost, but with their additives I don't get as good of mileage. Have driven the same route several times with CA fuel and fuel from other states. You would be amazed how much altitude effects performance. Gale Banks of Banks Power did an extensive test on the effect of altitude on air density and performance. Sorry i don't have the link but it should be on his web site.
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Old 08-27-2019, 05:11 AM   #66
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Originally Posted by GoneToTheDog View Post
I have never understood so much angst over gas mileage. Heck, it's a motorhome. I never give gas mileage a second thought. It is what it is. I fill up the tank and go have fun.
And I've never understood people who don't care about their mileage.

But as long as we're both doing what we like, that's good. Right?
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Old 08-27-2019, 05:16 AM   #67
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And I never understood people who don't care, but hey, we're both happy so who cares?
Not sure how I managed to answer DryCreek's post in post #64 instead of GoneToTheDog's.

Blame it on too many miles on the motorcycle in temps over 100 degrees in the last several days.

Anyway, there appears to be no way to edit or delete a post after some time period, so there you go.
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Old 08-27-2019, 06:19 AM   #68
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it's better then my 2000 V10.
HEY HEY HEY, Be nice.
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Old 08-27-2019, 06:55 PM   #69
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I don't need torque rolling down a hill.

My 2 valve V10 doesn't have 362 HP

They de-tuned the V10 in 2016, lowering the WOT RPMs, HP and maybe the torque. I don't care, it's better then my 2000 V10.

All of your #s are irrelevant.
The only torque that counts is that on the drive axles that support the drive wheels. You get this from engine horsepower that's been converted to drive axle torque via gears.

My RV's 2-valve V10 is capable of 305 HP and it will do anything that a 305 HP diesel will do. The V10 just requires a higher RPM than what a diesel would require because gasoline contains less energy per gallon than diesel does. Hence, the V10 has to spin faster to release the same amount of energy (as the diesel) via more fuel explosions per mile in order to create the same horsepower.

I just have to learn to not get nervous thinking that my V10 will break from spinning so fast - as compared to a same-horsepower diesel thumping along sounding like it's loafing.

Besides ... my V10 brings back memories because it is only two cylinders away from the spectacular 12 cylinder high performance sports car I rode in once.
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Old 08-27-2019, 07:08 PM   #70
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Besides ... my V10 brings back memories because it is only two cylinders away from the spectacular 12 cylinder high performance sports car I rode in once.
If I had my druthers, I would really, I mean really, love to be behind a honkin' V-12 Rolls Merlin in front of any warbird it's been used in!

OK, I also wouldn't mind sitting between two Allison V-12's in a Lightning too.
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