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Old 03-06-2020, 03:33 PM   #1
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Best booster to install for extra power when climbing hills.

I own a Thor Axis V10 Class C motor coach. I'm looking for a device to install on the engine to give me extra power for climbing hills.
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Old 03-06-2020, 03:58 PM   #2
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Originally Posted by julie06191959 View Post
I own a Thor Axis V10 Class C motor coach. I'm looking for a device to install on the engine to give me extra power for climbing hills.
Not enough info to help you.
Make
Year
Model
Towed vehicle or not
Miles on your rv
Your problem better defined
What you expect from the change.

Devices run from snake oil to $12,000 dual turbochargers.

Basically, there's no such thing as you request with actual measureable results over a few small percentage points that doesn't require massive redo of massive systems.

We can help. We need more information.
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Old 03-06-2020, 04:31 PM   #3
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THOR #18290
Extra power to climb hills.

A friend suggested that we install a Bank Power device. We called the company and they said it would cost approx. $2900 and that doesn't include the 9 hours of manual labor to install the device.

More info on my motor coach:

Ford V10, Thor Axis MotorCoach, gas, year 2016.
Miles: 15,000
No towing.

We've decided not to pursue the "Bank Power" device.

Thanks for your advice.
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Old 03-06-2020, 05:03 PM   #4
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THOR #13932
The banks system for that year v10 has a measurable increase you'll 'feel' but not really realize.
It's not in the snake oil category, but it's definitely in the
no appreciable percentage of power increase
Realm.

Other than few shift point changes in the transmission there really is nothing to be done to a v10 Ford that will warrant the expense.

The best thing I can tell you to back up my ascertation is:
If the added power was available within reason, I'd own it without reason.


I will suggest, and many many people do this so I'm not picking on you specificially:
Mash that gas pedal.

In a previous life I would hear complaints about acceleration and hills. I'd then drive their vehicle with them as a passenger. MANY had never pushed the pedal more than 3/4 of the way down. Scared the heck out of most of them when they realized what their silly little car could do at a stop light or up a hill they prepared for.

I live in two adjacent counties. Altitude goes from 322ft to 11,000ft.
I go from 422ft to 7,000ft in 180 miles of road.
I have a stock v10 and no reasonable complaint.
I drive the hell out of that v10.

(there is a theoretical realm of computer changes affecting a small narrow gap of power at the end of the gas pedal after a 60 second to the floor pedal hold down. Don't get caught up in some of our power discussions. They are certainly warranty voiding and have little practical value other than theory)
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Old 03-07-2020, 03:24 AM   #5
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A motorhome isn't a muscle car. You're expecting a 15,000 lb vehicle to perform like a 4,000 lb or less car. Ducks is right. Push the go pedal harder and try to lighten your load as much as possible.
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Old 03-07-2020, 03:47 AM   #6
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Another vote for pushing down on the skinny pedal. I drove from Central Texas to Hershey, PA last summer and never needed more power. When I saw a hill in front of me I just mashed the gas pedal. I'ver been mashing the gas pedal for over 20,000 miles and do not think I need Tim Taylor to add more power.
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Old 03-07-2020, 02:31 PM   #7
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Me too. The engine is terrific and well able to tote your coach. Unless you have an issue with it like crap in your exhaust system or something. Itís a noisy beast though and sounds like itís about to explode on a big hill. But it wonít. Youíll be in the truck lane though so just enjoy the ride.
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Old 03-07-2020, 02:56 PM   #8
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What hills do you need extra power to climb? Plenty of folks have been through every part of the Rockies with no mods on their motorhomes, some of which are much heavier at 26K GVWR and they haven't complained about needing more power for climbing. Personally, we had 2 consecutive Ford V10s, one 305 HP in a class c and the other 362 HP in a Challenger and there wasn't a hill anywhere in the eastern US that I couldn't handle. Did I top the hills doing 70 MPH, no and I didn't want to driving a big box.

Like I always say, do what your wallet can afford.
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Old 03-07-2020, 03:58 PM   #9
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I look at it from point of view of how much is my time worth.

One of the longest, steepest, and highest-elevation climbs is in Colorado over the Rocky Mountains. It takes 8 minutes to travel 8 miles at speed limit of 60 MPH to reach the Eisenhower Tunnel at 11,000 ft under the Continental Divide.

Large motorhomes and people towing heavy trailers can lose a minute or two, maybe even 3 or 4 minutes if really loaded down, but it begs the question of how often is a driver going to encounter those extreme conditions?

Iíd bet that over an entire year of driving, hills and mountains donít add up to an hour of time loss due to insufficient power. So, would I spend $1,000s to save an hour a year? No way.

If a driver needs or wants higher performance for the joy of it, thatís a different issue. But I seriously doubt the time any improvement can save is worth it to me on an economic basis.

I honestly donít care about losing an extra 2~3 minutes on an extreme mountain pass any more than stopping an extra 2~3 minutes for lunch or at a rest stop. To me having to occasionally drive slower isnít even worth thinking about.
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Old 03-08-2020, 03:31 AM   #10
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The best booster for me is cruise control and tow/haul mode. I find the computers do a better job of mashing the pedal than I do.
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Old 03-11-2020, 06:13 PM   #11
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Banks makes a system that increases the horse power of the v10. I have seen several tuners advertised in motorhome magazine and FMCA magazine.
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Old 03-11-2020, 06:48 PM   #12
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THOR #5196
Five Star Tune, easy to install, better performance, better shifting, and a little better mileage. Had my tune for 3 years now, wouldn’t go back. (843) 536-1244 Super nice people, great customer service and support!
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Old 03-11-2020, 06:49 PM   #13
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Quote:
Originally Posted by Glensouth View Post
Banks makes a system that increases the horse power of the v10. I have seen several tuners advertised in motorhome magazine and FMCA magazine.
Banks has been covered twice in this thread.
It's already been dismissed for two causes, both of which amount to horsepower and dollars.

Does Five Star void the 3/36 or extended warranties?
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Old 03-11-2020, 07:27 PM   #14
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I have a Thor Hurricane V10 and tow a Jeep Liberty. I live in Colorado during Spring/Summer I'm up in the mountains couple times a month, I've taken it up the continental divide! Yes you need to get in the right hand Lane and just accept the fact people are passing you although only empty or bobtailed trucks pass me a loaded 18 wheeler isn't zooming by me.
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Old 03-11-2020, 08:22 PM   #15
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Slightly off topic, but since someone mentioned it, when do you use your tow button? My 2018 ACE 27.2 weighs 16k, and I haul a Chevy Tracker that is <3000lbs. I typically donít use it on flat surfaces, but do when climbing. Iíve been thru the Rockies, sierras, etc., and this method seems to work.
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Old 03-11-2020, 08:32 PM   #16
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I've never found a reason to not run tow mode all the time.
I have found no advantage to turning it off.
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Old 03-11-2020, 08:49 PM   #17
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Originally Posted by richguess View Post
Slightly off topic, but since someone mentioned it, when do you use your tow button? My 2018 ACE 27.2 weighs 16k, and I haul a Chevy Tracker that is <3000lbs. I typically donít use it on flat surfaces, but do when climbing. Iíve been thru the Rockies, sierras, etc., and this method seems to work.
I only turn TOW/HAUL mode on when decelerating.
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Old 03-11-2020, 09:12 PM   #18
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Quote:
Originally Posted by richguess View Post
Slightly off topic, but since someone mentioned it, when do you use your tow button? My 2018 ACE 27.2 weighs 16k, and I haul a Chevy Tracker that is <3000lbs. I typically donít use it on flat surfaces, but do when climbing. Iíve been thru the Rockies, sierras, etc., and this method seems to work.
I actually don't use it, I do however downshift when descending to save the brakes a little work
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Old 03-11-2020, 09:28 PM   #19
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Why?

First off I agree with previous responders to you question. More information is needed to answer your question.

The question that came to my mind is why do you feel the need to have a ďboostĒ of power to drive up hills? Our solution to hills and mountains is go slow, take our time and not be in any hurry. That is, after all, one of the big benefits we have in RVing - slow down and enjoy life.
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Old 03-11-2020, 11:06 PM   #20
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djcarter, read your owners manual on that Tow-Haul mode, you are missing the benefit of that feature.
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