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Old 04-23-2012, 05:41 AM   #15
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Since when was 3000 rpm lugging it?? Since when was 5000 rpm good for a engine?
Get real... You want it to last keep the R's down!

Full Timers.
2015 Fleetwood Discovery 40E on a Freightliner XCS chassis with a Cummins ISL9 pulling 1 and/or 2 motorcycles, '07 Honda Accord OR a 17' Runabout Boat.
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Old 04-23-2012, 06:10 AM   #16
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I don't tow with my V10, but do carry an 800lb motorcycle in the garage.

We are in the mountains at least once a year and I keep an eye on the engine and transmission temperature gauges. The needle stays in the middle so I think my temps are fine even when I've got it floored running 5000 rpm making the climbs. I keep my speed up so not to be a hazard and to keep a higher air flow for cooling. I let the automatic transmission pick the gears but often use the tow/haul option.

I do use full chemical synthetic 5w20 motor oil and transmission fluid which runs cooler and take extreme temperatures better than conventional. I see no need for additional cooling. We are traveling to Alaska from Texas this year so will keep a close eye on temps.

I'm changing the differential to full chemical synthetic soon to lower temperature and improve mpg.

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Old 04-23-2012, 12:37 PM   #17
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X2 on the supplementary transmission cooler. I added one to all four of our MH's, and never had a problem. We have towed different car trailers over 350,000 miles.

Originally Posted by sirpurrcival View Post
One thing you may want to think about is a supplementary transmission cooler. I have a 37 Tropical with Tag and the V-10. The included transmission cooler didn't cut it and I had to replace a transmission with burned fluid. I added a supplementary one that comes with a thermostatically controlled fan. If the transmission oil gets too warm, the fan kicks in for extra cooling. In most cases it never does because the supplementary cooler is enough on it's own. Towing a vehicle in addition to the large size of the coach, it might be worth the $300.00 bucks I spent on the cooler especially if you get into any big hills on a hot summer day.
George Schweikle Lexington, KY
1999 Safari TREK 2830, FMCA 190830, Safari International chapter
1995 Safari TREK 2630, 1983 Winnebago Chieftain, 1976 Midas Mini
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Old 04-23-2012, 04:17 PM   #18
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Originally Posted by Sequim Guy View Post

Not sure where you found 12% grades, that sounds awfully steep.

How about Hell's Backbone(hwy 12) at 14% with a drop off of hundreds of feet on both sides. Road is called Hell's Backbone | Photo Very interesting ride while pulling a Jeep. Bob
Jan and Bob

RIP 'Squeaky'
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Old 04-23-2012, 04:48 PM   #19
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Originally Posted by Fiesta48 View Post
Since when was 3000 rpm lugging it?? Since when was 5000 rpm good for a engine?
Get real... You want it to last keep the R's down!
At 3000 rpm climbing a grade the V-10 is so far below its power band it is lugging terribly. It is engineered to produce maximum horsepower at 4200 rpm. Why not use the available horsepower?
The rev limiter is set for 5025 rpm.
Harold & Linda
2009 CT coachworks siena 35V
W22 Workhorse 8.1L. Explorer Sport toad,
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Old 04-23-2012, 09:51 PM   #20
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Originally Posted by fastzorro222 View Post
Hi All

I have a 2001 38' Mountain High "Resedency" with a tag axle & 2 slide's. The motor has only 13K miles and was well taken care of (got the MH 6 months ago). This is a big boy and I want to tow a 2011 jeep Patriot (3100lbs) on a dolly (2 wheels down).

My question is since this is a big & heavy MH, is it ok to tow an the extra weight? I'm concerned in taxing the engin too much. Going over the big hill coming from Oxnard Ca. I keep it below 3000 RPM (I go only 35 MPH but I figure it's worth it to keep it from getting worn out too fast). You see, my baby has to last me for the next 6 years and I really want to conserve as much as I can. So, do you think the Triton has what it takes to hold up to 6 and 12 % grades while towing the car?
I probably have the same coach as you except it's a 2000 model 3790. Our coach loaded for travel with 2 bodies weighs in at 21,230lbs. We tow a 2003 Suzuki XL7 4-down weighing approx 3,600lbs.

It's now 12 years old with 74k miles and we've traveled a lot in mountainous terrain out west. I can assure you the engine is definitely up to the task.

As far as rpm's the SOHC v10 can handle the higher rev's. On some steep grades I've had it in 1st gear with engine spooling up to 4,000+ rpms no problem whatsoever.

I would recommend using Mobil 1 full synthetic oil which is a great lubricant for heavy duty use.

Personally, I would avoid any 12%grades as we navigated a 10% grade several years ago when we were towing our 90 Aerostar van and I'll admit it was touch and go up that one, but we made it over the crest.

Won't do it again though

We bought our Residency new and it's been very dependable and virtually trouble free with a great floor plan.

Best of luck and travel safe
Jim & SherrySeward

2000 Residency 3790 v10 w/tags 5 Star tune & Banks system Suzuki XL7 toad
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Old 04-25-2012, 07:22 PM   #21
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In 2010 I had a 2008 Bounder 35E with a Ford V-10. I towed a 08 Saturn Vue on a tow dolly from NJ to Montana with no problem what so ever. I was impress with the performance.
Gus & Debbie
Saturn Vue
Chrysler Sebring
Harley Ultra
Pressure Pro

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