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Old 12-23-2018, 04:41 PM   #11
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My Sprinter handles hills with ease, in the east and the west. Not high horsepower compared to american gas engines, but plenty of torque and a transmission to match...and decent mileage too. RT just introduced a new van on a Ford chassis so I wonder if there will be enough interest in the legacy Chevy models to keep them in production.
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Old 12-23-2018, 05:49 PM   #12
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Default 8 L engine

I had a 2002 Winnebago class C, on the Chevy chassis with the 8.0 L engine. I consistently got right around 12.5 miles per gallon. I got the same mileage up and down hills, and on level stretches. I got the same mileage even if I was towing a trailer. And this engine felt like it had had enough power to climb straight up a wall, I think. I never tried driving faster than 55 mph.
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Old 12-23-2018, 05:57 PM   #13
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We have a Roadtrek 210P with a 6.0L engine, which is what I think you're referring to Nutsy_Squirell. We have NO problem with power going up an hill, but like any non diesel engine there are grades of highway, like the Coquihalla Hwy in BC, Canada. I have always geared down to get more power for certain grades going up. As far as going down major grades, again I gear down, but I have to admit it could use a brake assist like Gear Vendor to help with this purpose as there are not enough gears to truly help with steep grades, I just take my time. I will check out the Gear Vendor that Cruising7388 mentioned. Hope this helps.

I had a diesel cummins a few years back, could concour any hill, but again having a brake assist system would have been ideal.
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Old 12-23-2018, 06:45 PM   #14
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Default Bib Block Roadtrek

I have a 1995 Roadtrek 190 P with the Chevy 7.8l (454 cid) engine. And love it. THe issue is less horsepower per se and more of torque available at normal road speeds (not at "red line" where it commonly is listed. THe 454 just breezes up steep hills.

Yes, when you are really pulling on that big engine the gas flows through it dramatically in my rig at betrween 8-10 mpg. However on the flats where the engine is purring along in the power band and at normal speeds (60-65 mph) it gets 11-15 depending on my driving smoothness.


THis engine is a hot-rodder's dream and can be significantly imp[roved in that midrange and with better mileage with a better exhaust from headers to tail and with a better rammed cold air intake.
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Old 12-23-2018, 07:23 PM   #15
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Quote:
Originally Posted by ndavidking View Post
I have a 1995 Roadtrek 190 P with the Chevy 7.8l (454 cid) engine. And love it. THe issue is less horsepower per se and more of torque available at normal road speeds (not at "red line" where it commonly is listed. THe 454 just breezes up steep hills.

Yes, when you are really pulling on that big engine the gas flows through it dramatically in my rig at betrween 8-10 mpg. However on the flats where the engine is purring along in the power band and at normal speeds (60-65 mph) it gets 11-15 depending on my driving smoothness.


THis engine is a hot-rodder's dream and can be significantly imp[roved in that midrange and with better mileage with a better exhaust from headers to tail and with a better rammed cold air intake.
`
That's exactly the way I feel as well about our 6.0L, just breezes along on the flats.
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Old 12-24-2018, 12:08 AM   #16
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I have a Chevy 200 with 5.7 liter. Pretty much always get just under 14 miles per gallon.
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