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Old 01-07-2015, 04:51 PM   #181
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Some big truck turbos will go a million miles some don't.

Sometimes they fail in a spectacular manner....

My bet is not 1% of the current variable vane turbos used in light trucks will last anywhere near a million miles.


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Old 01-07-2015, 04:58 PM   #182
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$4k for some of these turbos.
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Old 01-07-2015, 05:04 PM   #183
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I have a KW with two turbos one behind the other.

My bet is that if the first one blows it will take the second one down with it.

Lets hope that is a day that doesn't come.


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Old 01-07-2015, 05:17 PM   #184
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Originally Posted by J. Morgan View Post
Some big truck turbos will go a million miles some don't.

Sometimes they fail in a spectacular manner....

My bet is not 1% of the current variable vane turbos used in light trucks will last anywhere near a million miles.


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I don't think there's anything used in light trucks today that will last a million miles.
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Old 01-07-2015, 07:16 PM   #185
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At 11,000 miles per year ,I don't think I would live long enough to do that and who would want to?
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Old 01-07-2015, 07:28 PM   #186
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My ten year old Titan is a mite tired at 180000 miles. I can't imagine keeping a vehicle much longer than that, especially with all the upgrades...
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Old 01-07-2015, 10:13 PM   #187
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Here are some actual weight numbers for my 2011 Ram (Hemi) towing a 2014 30 ft Flying Cloud. This is for a full tank( 36 Gal) of gas, full fresh water and propane tanks and trailer loaded for a 3 week journey with a generator and extra fuel in the bed of the truck (another 100 lb)

Hitched weights
Truck 6020 lbs
Trailer 7100 lbs.

Total 13,900 Lbs

Unhitched weights
Truck 6020 lbs
Trailer jack 980 lbs
Trailer tires 6900 lbs
Total 13,900 lbs

We are a 27 lb over on the payload but under on the GCWR by 1600 lb.

If I redistribute some of the things in the cab to the trailer or go on a diet, I could bring everything into compliance with my capacities.
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Old 01-08-2015, 01:29 AM   #188
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Where the weight is located matters far more than something like GVWR itself.

If you have a scale reading with WD slackened to go with the above, then the basic analysis of how the loads are distributed tells far more.
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Old 01-08-2015, 09:10 AM   #189
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How can you be overweight if the truck hitched weight is the same as the unhitched weight?

Imo, if WD takes weight off of the truck, it does not count toward payload capacity.

Am I wrong? If so, why?


In any case,,, 17 pounds ain't going to be a problem.

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Old 01-08-2015, 09:13 AM   #190
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What's the manufacturer's tow, and max CVWR on that?

We staged the photo when we got our anniversary Corvette and the anniversary AS ... I am sure that there is enough hp and torgue to easily "pull" the AS, but the hook up would be VERY difficult trying to find adequate hitching points to reinforce as well as the VERY limited ground clearance ...... not sure how the other vette in the down under photo would be hitched, but I would say that it is also a staged photo ...

We initially towed with an F150 and almost bought a Touareg - then, after reading "miles" of posts on here regarding attributes of proper TVs (not only power and torque, but also brakes, axle loading / max load, towing capacity, safety, compression brakes, tires, wheels, creature comforts) - went to a CTD, and now a D-max ... ... very happy campers; we joined the group on here advocating "don't let the tail wag the dog". Of course, you can tow with almost anything, but the assessment of the attributes of the TV are in the eyes of the beholder. YMMV... Our eyes were opened on this great forum; keep it up folks. Fortunately, we have the white car to drive when not towing; so, we are in a different situation / stage of life than are many. again, YMMV and a very Happy and Safe New Year 2015.
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Old 01-08-2015, 11:01 AM   #191
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I watched the 5.7 hemi with a trailer on I 70 pulling up hill, 4200 rpm, 62 mph.I wonder how long that engine will last running it like that?.
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Old 01-08-2015, 11:49 AM   #192
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I watched the 5.7 hemi with a trailer on I 70 pulling up hill, 4200 rpm, 62 mph.I wonder how long that engine will last running it like that?.
A long time, not in Diesel terms, but that's what it's designed to do. All gasoline engines are designed for it.
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Old 01-08-2015, 11:56 AM   #193
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I would guess our 5.7 would last the first 2 or 3 owners, maybe more.
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Old 01-08-2015, 04:08 PM   #194
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Lol, 4200 rpm and more wont hurt a good gas engine. In the old days trucks turned these kind of RPMs regularly, and sustained.


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Old 01-08-2015, 04:35 PM   #195
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Well a 360 ford in 1973 model driving easy 95000 miles ,worn out, 1977 351 M 100000 about to go south 1979 400M driven like an old lady owned it, got 200000 miles,and I could have had a Mercedes for the amount of gas I used.my friends 400 sm block chev pulling 4000 rpm up pipestone pass ,said it is designed for that, 75000 miles and pretty well used up...them old engines if they made 100000 you were careful and lucky.....
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Old 01-08-2015, 08:45 PM   #196
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Gas engines,,,, strangely enough, started routinely lasting two hundred thousand miles at precisely the time fuel injection was introduced....

Coincidence? No.

The old engines were carbureted.

They generally ran rich, especially in warm up, which washed the oil off the rings, which in turn greatly accelerated cylinder and ring wear.

Ever so, even in the era of carbed vehicles, all of my engines lasted more that 100k, even the ones wit 4.56 gears and non overdrive transmissions.

The biggest killer of modern engines is not wear or high RPM, it is the tiny oil pump pickup, and the fine screen that plugs up starving the engine of oil.


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Old 01-08-2015, 11:39 PM   #197
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How can you be overweight if the truck hitched weight is the same as the unhitched weight?

Imo, if WD takes weight off of the truck, it does not count toward payload capacity.

Am I wrong? If so, why?


In any case,,, 17 pounds ain't going to be a problem.

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I think that's right, JP. The WD transfers weight from the rear axle of the TV to both the front/rear TV axles, plus the trailer axles. I've read the amount is approx. 20%, sometimes more.

But a WD hitch doesn't change the hitch weight (the weight on the tongue of the ball). That number still needs to be within the rating of the hitch. Some hitch carriers enable WD hitches and publish different ratings for when using WD hitches, some don't.

The RAM 1500 has a class IV hitch rated at 1klbs. The 2500 has a class V hitch, rated at 1200lbs. My 28' is rated at 975lbs of tongue weight, a bit too close for comfort for me with a class IV hitch. Plus I frequently tow the trailer short distances without the WD bars, like when I am getting service or headed on short trips (or when I accidentally leave the retaining clips for the bars on my bumper and they go missing...). Point being, I don't always engage the WD and don't necessarily want to be a slave to it. It's there to help handling, not make the difference between being within payload ratings or not.

Back to payload. The RAM 1500 ranges from 1500-1700lbs for the quad cab. Stick with the higher number, then subtract 4 passengers at 150lbs ea. Now subtract 4 bicycles, or in my case, 2 250lb dirt bikes. Then anything else you have in your bed, like a generator or chairs or fuel or BBQ etc. In short order, you've reduced available payload to 700lbs. You NEED a WD hitch to get back to the published limits when towing anything larger than a 23' AS, or you have to jettison cargo (or passengers!) We always travel with 4, so dirt bikes have to go.

But how much weight is actually transferred with a WD hitch? I think only about 20% of the amount without a WD hitch, so in my case, maybe 200lbs. That's still over the published limits, and even ditching cargo puts me right at the line.

That's a main reason I chose the 2500 3/4 ton, which adds almost 1k of additional payload, meaning I don't have to worry, with or without a WD hitch.

Clearly reading other posts, lots of folks believe published payloads are not max limits but perhaps merely a manufacturer's legally tolerable limits. Ok, power to them. I'd rather personally not guess since I lack the engineering background on any particular TV to know better, but if folks feel warm and fuzzy with their decision, who am I to judge?

But let's perhaps be clear when communicating to newbie, asking the question "Can my vehicle tow a [blank size AS]" that our suggestions may depart from manufacturer published recommendations, and represent our personal opinions/experiences. And IMHO, payload is critical issue to younger AS wannabes, who are more apt to push the payload criteria with their families and outdoor gear, and probably don't appreciate the technical considerations, especially if this is their first big trailer.

BTW, at the risk of beating the dead horse back to life, I'll say it again about the 3/4 truck choice. It is clear to me, objectively, that in addition to increased payload and tow capacity, the bigger trucks provide increased cooling, increased braking capacity, increases suspension upgrades, and increased transmission capability, not to just deal with the extra weight they impose, but to meet the demands of actually having to tow the incredible tow limits they are capable of (up to 20k or more pounds). Of course they will have improved braking and cooling capacity when towing the same load as the 1/2 trucks especially up steeper inclines, they were built to do precisely that.
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Old 01-09-2015, 12:11 AM   #198
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Not related to the above, but I will say, choosing a long bed crew cab was a good decision. I can haul dirt bikes (the shorter 6' bed required the tailgate lowered, which won't work when towing the AS as the tailgate impacts the LP tank guard when turning hard.

Plus, the super long wheelbase helps ensure a smoother ride. It does have an awful turning radius, and makes for fun backing up because it the truck is slow to respond to turning the wheel compared to shorter wheelbase trucks. But rolling down the highway, no need for sway control for sure. The WD really just eliminates the seesaw effect when going over dips.
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Old 01-09-2015, 09:36 AM   #199
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Very well put on the above articles...
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Old 01-09-2015, 08:18 PM   #200
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Good Catch Mr Morgan! I need to correct the truck hitched weight. The truck picks up 780 lb of tounge weight of the 980. The other 200 goes back on to the trailer wheels when hitched.

Hitched weights
Truck 6800 lbs
Trailer 7100 lbs.

Total 13,900 Lbs

Unhitched weights
Truck 6020 lbs
Trailer jack 980 lbs
Trailer tires 6900 lbs
Total 13,900 lbs
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