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Old 06-05-2013, 09:11 AM   #15
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I simply don't give much credibility to MPG claims unless the person states that number is a total miles divided by total gallons figure over a long period / distance. Not trying to upset anyone but that is just (IMHO) the only true figure. I ran a survey on the Ford Chassis forum and the average was mid 7's regardless of size or engine 460 or V10 towing knocked it down about 1/2 MPG.
Unless I hit the lottery I will probably always have gas engines primarily due to the potential exorbent expensive of repairing and maintaining the power train.
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Old 06-06-2013, 08:16 PM   #16
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Quote:
Originally Posted by Brockx View Post
I simply don't give much credibility to MPG claims unless the person states that number is a total miles divided by total gallons figure over a long period / distance. Not trying to upset anyone but that is just (IMHO) the only true figure. I ran a survey on the Ford Chassis forum and the average was mid 7's regardless of size or engine 460 or V10 towing knocked it down about 1/2 MPG.
Unless I hit the lottery I will probably always have gas engines primarily due to the potential exorbent expensive of repairing and maintaining the power train.
Mid 7's sounds about right. My 7.5 mpg determining trip was around 2400 miles, keeping every gas receipt on a clipboard and tallying total gallons pumped for the whole trip. Gauge was at around a half when leaving house and the same when pulling back in front of the house. I sure wish it had been better. I kept the trip computer set at average mpg. I'd get so excited when it would climb up around 12, then watch it creep back down to 5 when I was climbing those crazy long hills in Wyoming.

We could have probably flown for less and rented a Harley. But the trip was a bucket list item, so it was worth it.
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Old 06-06-2013, 08:33 PM   #17
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Cummins has done studies on fuel mileage over many miles and found that the driver can make a 30% difference between the best and worst.
So what one person gets really doesn't mean much.
When I drive one of our Honda's I get better mileage than my wife does.
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Old 06-06-2013, 08:45 PM   #18
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I get an honest 10.5 mpg with my Cummins 340 pushing 28k lbs of SportsCoach with 3k Toad behind.

Mal
I would like to see how your calculator is programmed!

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Old 06-07-2013, 04:58 AM   #19
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I fill the tank...drive 850 miles. Refill the tank, 81 gallons.

East coast driving, very few steep grades. 60 to 65 mph.

Mal
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Old 06-07-2013, 07:13 AM   #20
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I simply don't give much credibility to MPG claims unless the person states that number is a total miles divided by total gallons figure over a long period / distance.
My spreadsheet that I have keep over 10 years & 11 months has every drop of fuel put in my 275 HP ISB and the Odometer miles corrected from the change to larger diameter tires put on in 2005.

Total Miles 52,088
Gal. Diesel used 5,098.82
Total Fuel Cost $12,725.20
Average Cost per Gal. $2.496
Average cost per Mile 0.244
Average MPG 10.216

Above with a weight of coach right at 23,000 lb Front 7,640 lb rear 15,300 lb and pulling either a cargo trailer with a Motorcycle at 2,700 lb & tong weight included with MH weight or a toad at 3,200 lb.

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Old 06-07-2013, 03:58 PM   #21
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The Cummins ISB diesel engines are the most fuel efficient motors out there for the load they "push". deSanford
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Old 06-08-2013, 06:12 AM   #22
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Originally Posted by Triker56 View Post
My spreadsheet that I have keep over 10 years & 11 months has every drop of fuel put in my 275 HP ISB and the Odometer miles corrected from the change to larger diameter tires put on in 2005.

Total Miles 52,088
Gal. Diesel used 5,098.82
Total Fuel Cost $12,725.20
Average Cost per Gal. $2.496
Average cost per Mile 0.244
Average MPG 10.216

Above with a weight of coach right at 23,000 lb Front 7,640 lb rear 15,300 lb and pulling either a cargo trailer with a Motorcycle at 2,700 lb & tong weight included with MH weight or a toad at 3,200 lb.

now that's credible info
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Old 07-24-2013, 09:37 AM   #23
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Just an FYI, I change my own oil. A complete oil change with filter on my 300 Cummins cost me just shy of $65, oil and filter. No biggie.

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I have gas and admit I wanted a diesel but don't overlook the cost of maintenance though to be certain it does not affect your decision.

Oil, filter, lube on a gas chassis is about $60 maybe a bit less depending on where you go.

Diesel will be considerably more $300 to $500? Not sure but one of the diesel folks will probably be able to tell you
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Old 07-24-2013, 11:15 AM   #24
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my 2006 crosscountry sport coach that is 38f Gas pusher

O thats right i dont count LOL
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