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Old 01-29-2011, 10:08 PM   #21
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Re: Whose getting 10+ mpg and what engine is it?

[quote="lornaschinske"]After finding my notes from our trip out west, we traveled 1700+ miles and bought 70 gallons of diesel.


I think you may have forgot about a few fuel stops you made. By your figures, you got over 24 mpg on that trip. If you did get that kinda fuel mileage, I wanna know what brand fuel your using so I can start fueling there myself. Also, what engine, transmission, and rear end ratio your running.
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Old 01-30-2011, 11:30 AM   #22
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Re: Whose getting 10+ mpg and what engine is it?

Quote:
Originally Posted by kotflb
Quote:
Originally Posted by lornaschinske
After finding my notes from our trip out west, we traveled 1700+ miles and bought 70 gallons of diesel.


I think you may have forgot about a few fuel stops you made. By your figures, you got over 24 mpg on that trip. If you did get that kinda fuel mileage, I wanna know what brand fuel your using so I can start fueling there myself. Also, what engine, transmission, and rear end ratio your running.

I kept a log of our fuel and mileage on the way out to NM... just like I do for all our trips. I did not forget any of the stops. Kinda hard when you have someone laughing at you because you have to fuel up daily (I refueled every morning... twice the day I got hung up getting out of a parking lot and did 85mph in the Class C to catch up with David & Stacey... back end of that carborator opened up and flat sucked the gas). The odometer readings are from the Class C. The fuel amounts are from the bus. Since the fuel gauge on the bus didn't work, we weren't sure of what other gauges (like the odometer) might be off so we held to the Class C's which we knew were accurate. The bus' odometer was accurate compared to the Class C. The trip out west proved that.

Odometer beginning: 89729
Odometer Ending: 91447
Total miles : 1718 miles traveled
Date: Fuel (gallons): Price per gallon: Location:
7/2/2009 10 gal (2 5 gallon jugs and they were 5 gallons exactly... this is from picking up the bus. We drove it home from Bryson City and it sat in the driveway while we stripped out seat and loaded our stuff.)
7/7/2009 32.845 $2.359 Exxon @ Rabun Gap, GA
7/9/2009 34.095 $2.339 Shell @ Meridian, MS

Total fuel 76.94 gallons Diesel.
David quit refueling because we did not know how old the fuel in the tank was when we bought it (it was pretty much full and the bus had been sitting in a field for several months when we bought it). He wanted to use up the "old" diesel and when it got close to empty, refuel.

Our last night on the road was spent in the Sam's Club parking lot in Roswell, NM. David pulled into the Sam's Club gas station to fill up the bus since we were going to be crossing a desert and we were figuring there would be no fuel for the last leg of our run to Socorro (we were wrong but the day before I had to back track 35 miles to Tatum on the way to Roswell to refuel the Class C... which makes the recorded mileage a little high). That particular Sam's Club has a diesel pump and you can get a 40 ft bus into it... and out...pulling a jeep. David put $5 of diesel in the bus. It wouldn't take any more. I did not count that $5 worth of fuel since I counted the initial 10 gallons that we put into the bus when we drove it from Bryson City down Needmore (winding gravel back road) to Franklin when we picked up the bus. But even if you add in the 2 gallons of fuel from Sam's, and rounding off, it's still under 100 gallons diesel and we traveled right at 1700 miles. Stacey & I got tired of David laughing at us because we kept having to refuel and he didn't.

5.2L Turbo Cummins Diesel. I'm not sure what the rear end is. I think it is 5:33 but I will look today and edit post this evening if it is different.

When we left NC, the bus odometer read 90707.6... The motor is original and has not been rebuilt (or so we were told).

Just an FYI...
About Sam's Clubs and diesel... many do not have diesel... about half of all the Sam's that we have been at have a diesel pump but are geared to a car using them not really a big rig. So even if a Sam's does have diesel, there's no telling if you can get in/out of the station. The Sam's in Johnson City, TN is the best set up for big rigs I have seen, they also have semi's refueling there. We do not have a Sam's membership for fuel discount. So don't get a membership because of that. We don't buy enough fuel to warrant the $35/yr (business) membership fee. But we do park in their parking lots (even when you can't park at the WalMart next door), buy most of our food from them (and now we buy for our food vending business) and get in early for that free coffee and sweet breads they have out for their business members. You do not need to PROVE that you have a business to get a business membership. We just put it in our business name. Stacey has her membership under the name she does her artwork under (Psychotic Kumquat Ink). Personal membership is $40 or $45. Business membership is $35. Business is slightly cheaper and you get to get in the store before normal operating hours. Comes in handy for us.
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Old 01-30-2011, 12:12 PM   #23
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Re: Whose getting 10+ mpg and what engine is it?

Quote:
Originally Posted by kotflb
Quote:
Originally Posted by lornaschinske
After finding my notes from our trip out west, we traveled 1700+ miles and bought 70 gallons of diesel.


I think you may have forgot about a few fuel stops you made. By your figures, you got over 24 mpg on that trip. If you did get that kinda fuel mileage, I wanna know what brand fuel your using so I can start fueling there myself. Also, what engine, transmission, and rear end ratio your running.
Quote:
I kept a log of our fuel and mileage on the way out to NM... just like I do for all our trips. I did not forget any of the stops.
1700/70=24+mpg

[quote:qvm8ijai]But even if you add in the 2 gallons of fuel from Sam's, and rounding off, it's still under 100 gallons diesel and we traveled right at 1700 miles.
[/quote:qvm8ijai]

That equals 17mpg. Sorry but there is no way you got 17mpg with a 40' bus pulling a Jeep, unless it was downhill both ways.
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Old 02-01-2011, 05:09 PM   #24
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Re: Whose getting 10+ mpg and what engine is it?

not saying yes or no, but i remember from jeep forums that those little trailers the army pulls behind is a big thing for the jeep enthusiasts. Its been said there that pulling that little trailer behind the jeep on the highway gets them considerably better fuel mileage. Just wondering IF that might be the situation there where that jeep is acting as an aerodynamic aid to the bus.
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Old 02-01-2011, 05:53 PM   #25
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Re: Whose getting 10+ mpg and what engine is it?

Quote:
Originally Posted by lornaschinske
We had about the same amount of diesel when we got the bus out here than when we left NC (fuel gauge didn't work so we had to dip the tank so we don't have a accurate fuel level).
I suspect that this is where the inaccuracy lies. With a long fuel tank and the filler at one end, which I suspect you have, even !/4 inch difference in level between the two checks could be quite a bit of fuel. If you can't "dip" the tank with your stick straight up and down this will also make accuracy difficult. The only way to get any accuracy at all is to go fill-up to fill-up and then it's better if you do a few tanks. I can see the fuel in my tanks when I fill up every other day and check mileage every time, and I still get an odd reading every once in a while. Like 6.5 to 6.8 every day then a 4 or 8, where did that come from? Since you were going west I doubt if you had a tail wind, but maybe. I did get 13.5 once coming east out of Denver, but I had a great tail wind. If I'm headed into the wind (seems like most of the time) I'll get as low as 4.

Another thing that affects fuel mileage is hot fuel, but I've never seen it to our advantage.http://www.turndownhotfuel.com/myths.html
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Old 02-01-2011, 08:25 PM   #26
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Re: Whose getting 10+ mpg and what engine is it?

Temps probably played a part in it but we do know how to "dip" a tank and we dipped the same way in "level" parking lots...our fuel filler is in the middle of our tank (to me, the tank is short and fat). It's not going to make any difference anyway. Doesn't matter if we get great mileage or not.I don't know why some folks are getting their shorts in a knot over it. I just keep track of mileage. It lets me know if I am suddenly getting bad mileage...meaning I either got bad, old fuel or there may be a problem with the engine. I know what we bought in fuel. I know how many miles we traveled. We just pulled the fuel float out of the diesel tank. We know what the level is in it (it's been sitting since we parked it out here). I'm pretty sure the fuel isn't "expanded" due to heat... there's 4" of snow on the ground right now.

Temps coming out west in the Class C was running 90*F to over 115*F at floor level (I have a dual indoor/outdoor thermometer to keep an eye on the temps in the freezer). Birmingham was where it started getting hot. The holding tanks were cooking. Stacey & I took showers in the RV using the HOT water in the fresh holding tank. And we LIKE a hot shower. It was so wonderful that we could take a cool shower to bring our body temps down in Hobbs. An awful lot of the skoolie converters do not realize how hot it can get out on the interstates in the summer. Our fresh tank has 3/4" insulation (blue foam). The grey/black tanks (18 gal each) have none.... I don't want to think about what they were doing, except they were sure lasting a long time between dumps considering we were taking showers. Insulate those tanks guys, even if you aren't going to be in cold weather!
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Old 06-22-2011, 01:02 AM   #27
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Re: Whose getting 10+ mpg and what engine is it?

I get 9.4mpg on the flat with a 84 Bluebird All American with an 8.2 Detroit and an MT 462. In the hills I get about 8.5, but never worse than that. It doesn't seem to matter how I drive, I always get about the same mileage. I have changed all the filters (air, oil, fuel and trans) and fluids, bought new tires, nothing seems to improve gas mileage. I have clocked about 20,000 over the past 2 years.

My latest project is to install an overdrive. I bought a Spicer 7231D Under/Overdrive which I plan to insert into the drive line. That should take down my RPMs by about 20% which may help. Anyone else have any other ideas?

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Old 06-23-2011, 06:44 PM   #28
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Re: Whose getting 10+ mpg and what engine is it?

I've owned several buses, and driven many trips from michigan to nevada and back. I've traveled over 60K miles in old buses. I've never owned a full sized skoolie that got 10 mpg. When i traveled to texas and back with Philbus and his bb tc2k with 5.9 cummins, and what i assume is an mt643 he got 50% better fuel economy than i did in my International dt366 with allison at545.

It made me angry every time we stopped for fuel! I was getting around 8 mpg, and he was getting 12. Speed was right around 60 mph. I would get significantly worse mpg at 63 mph which was my top speed.

I would put in 30 gallons, and he would only put in 20. That is a significant savings over the lifetime of the vehicle.
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Old 06-26-2011, 10:20 AM   #29
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Re: Whose getting 10+ mpg and what engine is it?

That's because you had the AT545...that's a big reason I didn';t consider a bus with one of those!

Just under 11MPG from my Genesis on my recent road trip. It also turned 311,000 miles on the way back!
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Old 08-13-2011, 10:03 AM   #30
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Re: Whose getting 10+ mpg and what engine is it?

8700 km trip, low 10.1 mpg, high 10.8 ran 92-93 kms an hour
full size blue bird 444 and I think 545 tranny
gbstewart

ps. I m real happy with that mileage, alot of class C only get 6-8 mpg
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