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Old 05-29-2015, 09:49 AM   #197
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454

454 have alway been known for consistent fuel mileage you run a 7/16 fuel hose to the curb. There only so much fuel can go though it I had one in s tow truck went to Houston to pickup a suburban on the way down 55-to60 loaded on way back never below 70mph got 10 goin10 coming back
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Old 06-13-2015, 06:45 AM   #198
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Motor Home Mileage

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Been a long time since diesel was cheaper than regular. Wonder if it's going to stay this way?
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Old 02-14-2017, 07:36 AM   #199
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Interstate mileage

Trip high of 20.3 with mostly tailwind, trip low of 17.1 with headwind. Most times in the 18's. Good tank range.
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Old 02-14-2017, 10:07 AM   #200
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Been a long time since diesel was cheaper than regular. Wonder if it's going to stay this way?
What I'm seeing in your image is that diesel is about right and regular is way too expensive. Regular here (Florida) is about $2.20.
So, diesel isn't cheaper, regular is pricier.

Oops, two year old thread.
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Old 02-15-2017, 04:57 PM   #201
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It IS a 2 year old thread.

About time it got some attention.

If I ever get this cummins/allison combo together and running, I'm hoping to beat the pants off the mileage of the 454/4L80e that came out of Silver Bullet!
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Old 03-26-2017, 10:00 AM   #202
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1979 31' Sovereign
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Talking newbie travelin across country will report

Hubs is picking up a new to us, 2000 Yacht30' in CA and delivering to Tampa. We are planning for 10mpg, freeway driving. Engine is 7.4 vortec. We assume 4L80e tranny. Will report actual when trip completed!
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Old 03-26-2017, 02:16 PM   #203
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Interstate

Just rolled in fro, a 230-mile each-way trip through the Texas Hill Country. Lots of ups and downs that used to murder my mileage puling my Classic 28 with a Duramax. 11.5 mpg, maybe less.

The Interstate got 19.2 going with no wind and 15.9 coming home with a quartering headwind that tried to blow me off the road. Enough wind that it was hard to open the door against it.
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Old 08-06-2017, 02:48 PM   #204
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1988 34.5' Airstream 345
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1988 345 mileage

I have 1988 345 with a new 454 engine and I tow a 1988 Suzuki Samari. And I only put Premium gas in. We just got back from a 1600 mile road trip from Louisiana to North Carolina and back. I use a really cool app called Road trip to keep track of my mileage and We average 5.5 miles per Gallon. Now I believe my US Gear Duel Range Auxilary transmission is stuck in overdrive so I don't know how that would affect my mileage but I too was hoping to get better gas mileage.

Attached are a few pictures from our trip
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Old 08-06-2017, 03:17 PM   #205
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Nice Rig!
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Old 08-06-2017, 04:39 PM   #206
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I'm might be just a tad jealous of the rig...
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Old 08-09-2017, 10:13 AM   #207
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Is it just me or does that bicycle wheel in pic number three look a tad too close to the road?

5.5 mpg in a coach that probably weighed 18,500 combined pounds, running on 15%+ Ethanol based fuel (lower BTU's than Ethanol free gas) towing a Suzuki with all that humanity and non aerodynamic debris at the front!.......

I'd say you did very well.

I hope you end up keeping her for your family and their future family's camping dreams. Nice to see any AS Classic being used for what she was intended for.

Cheers
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Old 08-09-2017, 11:09 AM   #208
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Is it just me or does that bicycle wheel in pic number three look a tad too close to the road?

5.5 mpg in a coach that probably weighed 18,500 combined pounds, running on 15%+ Ethanol based fuel (lower BTU's than Ethanol free gas) towing a Suzuki with all that humanity and non aerodynamic debris at the front!.......

I'd say you did very well.

I hope you end up keeping her for your family and their future family's camping dreams. Nice to see any AS Classic being used for what she was intended for.

Cheers
Tony
Man I stared and stared at the third picture trying to figure out which bicycle you were talking about. It's the fourth picture in my line up.

Great looking rig
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Old 08-09-2017, 11:22 AM   #209
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Man I stared and stared at the third picture trying to figure out which bicycle you were talking about. It's the fourth picture in my line up.

Great looking rig
Sorry, fourth pic.

Cheers
Tony
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Old 08-10-2017, 08:18 AM   #210
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1988 34.5' Airstream 345
Lafayette , Louisiana
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Hey Tony,
You are right the bike rack was actully in the down possition so I could check my oil. It goes back up and holds the bikes nicely. I am glad to hear that yall think that is an acceptable gas milage. I believe my Duel Range Auxilary transission is stuck in the over drive possition and I am hoping that I can improve my gas milage when I get the auxilary transmission back in working order.

Also, Does everyone agree that Non Ethanal Gas is the best way to go? Will you get better gas milage with Non Ethanal Gas?

By the way we have been loving our RV. There is nothing better! Here are a few more pics.
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