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Old 08-05-2015, 11:07 AM   #127
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Originally Posted by KJRitchie View Post
Dan, maybe I missed an earlier post but why have you taken the Cummins off your short list?

Kelvin



I systematically and slowly went through all major manufacturers with open mind and didn't discover, true or not, any consistent transmission woes until I was researching Dodge. I revisited the original sources of info, again, true or not (can't say), and the majority were Cummins powered.

My suspicion is younger shade tree mechanics tuning, deleting, and hopping up their diesels exceeded the tolerances of the standard 68RFE transmissions. But you know how little I know about trucks, all here know. Ha ha. I'm not ashamed of that, just being honest. Future readers of this thread take my words with a block of salt.

I can only say that my reading revealed a consistency, and it's slowly steered me away from the Cummins. AISIN $2400 transmission upgrade would likely remove my doubts, however unfounded they may be. But I can't get that in a Ram 2500, have to step up to 3500, which I'm less interested in. And depending on supply, you can't even get the AISIN in 3500 SRW, as they are only optioned with 3500 DRW and cab chassis. Further more, it bothers me that Dodge has a transmission upgrade to begin with. Nobody else does.

Alternatively, I researched the new Ford Powerstroke 6.7 with the same magnifying glass and didn't find any major areas of concern. Especially with 2013 and newer unmodified examples. My instinct says that the Ford 6.7 is just a monster of an engine and if buying a Ford F-350 8' bed, I would take the chance and go with the diesel. Couldn't pass it up. Frankly, I'm smitten.

However, the Dodge Mega Cab 2500 with 6.4 Hemi is highly attractive. If I can come up with a way to make the 6'4" bed securely hold our 14.5' Sotar whitewater raft, just for short runs between river and campgound, it may be what we buy. Likely an SLT.

Will end up buying DHarts truck. Watch.


Dan
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Old 08-05-2015, 11:09 AM   #128
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Regarding the Toyo A/T's, you happy with them? That and the Cooper ST MAXX were my final two selections.

Dan
I've been really happy with them. And I'm surprised. I actually was going to purchase General Grabbers, I had them on my TB when we drove from FL to Moab and all over the country, and loved them more than I ever liked the Nitto's I upgraded too.

But the shop had a mix up on the general grabbers and offered me the Toyo's at discount since they ordered the wrong tires. I've been happy since then, and we've put a lot of miles on them so far.

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I'm stuck on the fence between ordering a F-350 XLT with 6.7 PS and buying a Dodge Mega Cab 2500 with 6.4 Hemi.
Dude, take a look at the Power Wagon.

(Comment on Ram Diesel; it's the lowest cost effective diesel (new) for those young guys to get into, and I think your assessment is spot on.)
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Old 08-05-2015, 11:14 AM   #129
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Off to see a powerwagon...

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Old 08-05-2015, 11:32 AM   #130
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Unless I'm missing it. Payload is 1400 lbs on powerwagon.
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Old 08-05-2015, 12:52 PM   #131
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Dan, you can get the Aisin in a 3500 SRW all day long.
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Old 08-05-2015, 01:06 PM   #132
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Unless I'm missing it. Payload is 1400 lbs on powerwagon.
Mhem.... but solid axles with real lockers and 2 inch factory lift over the regular 2500

Ok so I'm off the practical aspect.
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Old 08-05-2015, 01:25 PM   #133
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Back to proposed tire size. A match to stock wheel capacity is the right choice, IMO. Too much tire capacity means sloppy sidewalls in a tire not suitable for towing when set for the load.

As to the roads we run, one would never choose to run them in a private vehicle if at all possible. Some are fine, most are quickly worn down (a rig move involves well past a million pounds of equipment), and some are literally unreal. Most are of caliche, with varying amounts of rock.

I've run lease roads (as they're called) in lightweight FE-conscious tractors. 6-8 mph and 27-miles back to the rig. In a purpose-built truck that same road in the high side of the transmission and 19-25 mph with an empty trailer.

A two hundred mile round trip could take over twelve hours given an hour each for loading and unloading when the rig is over on the border in rough country. If it's over off Old Mines Road, you don't stop for anyone. Period. Yet another reason not to have a failure.

But then there are those paved with stones. River rock. Bulldozers and graders can only do so much.

Heavy rains on others where the river one is driving up is past the wheel hubs. Can't see the potholes. Natl. Geographic explores the Zambezi River headwaters, circa 1956. Broken wheels, broken axles.

For the most part it isn't bad. A cowboy adventure considering what you have to get done. Resource extraction doesn't take place in bucolic surroundings.

But the point about a commercial quality traction tire is to the point, IMO. Stable, low heat and plenty of sidewall strength.
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Old 08-05-2015, 01:46 PM   #134
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Originally Posted by Danattherock View Post
I systematically and slowly went through all major manufacturers with open mind and didn't discover, true or not, any consistent transmission woes until I was researching Dodge. I revisited the original sources of info, again, true or not (can't say), and the majority were Cummins powered.

Dan
Found a Cummins forum and read of 2013-2014 owners experiencing hard/rough shifts and torque converter lock ups that can be felt.

A lot of 2013 owners had fuel gelling issues because a fuel heater wasn't turned on from the factory.

Many report UConnect 8.4 radio/nav consoles resetting and replacing.

Quite a few reported leaking power steering hoses.

So far not any 2015 owner chiming in yet.

Will a satisfied Toyota owner be able to switch and not have the reliability monkey on the back.

Saw online a local 2015 F350 Lariat Crew Cab 6.2L gas Ingot Silver. It would get worse mileage than my Tundra 5.7L but has a 35 gallon tank. Still 10 mpg would be OK given the weight and being a F350 I wouldn't have to worry about payload. Being gas I wouldn't have to worry about, DEF, fuel gelling etc. Price is about $3k higher than the 2015 Ram Cummins I test drove.

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Old 08-05-2015, 06:34 PM   #135
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As you highlight, much to consider. Truth is, we are lucky to have so many choices and all those we are discussing are great trucks I'm sure. I've got a low mile, perfect running 05' Tahoe out front now and would gladly take any truck we have discussed over it. Except Tundra, my Tahoe has greater payload. Haha.


Joke..


Dan
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Old 08-05-2015, 07:22 PM   #136
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Slowmover,

Thanks for the additional insights on tires. You know I'm not that smart and won't take the advice, yet you still take the time to type it. That's character!

What you might not know, I am smart enough to let the advice influence my choices, so maybe I will lessen my mistakes, if any are realized.

And more generally, thanks for all the assistance you've given me since finding Airforums last month. If your not careful, my wife and I are going to start sending you PM's when household items need fixing or replaced. Or the garage door opener need reprogrammed. Again. Ha ha. Your a wealth of knowledge man. All joking aside, thank you.


Dan
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Old 08-05-2015, 07:37 PM   #137
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Found a Cummins forum and read of 2013-2014 owners experiencing hard/rough shifts and torque converter lock ups that can be felt.

Kelvin

What I recall was same or similar. There were a few 200-300 post threads about it on two different forums. My method for weeding through meritless BS that doesn't gain steam on forums is simple.

I find a forum to investigate, then rather than scanning through all the threads, I click replies up top on first page. That shows all threads based on number of replies.

When I see several hundred posts on the same issue, it's something worth learning about. The torque converter as you suggest is what I had seen consistently mentioned, and the hard (teeth jarring) shifts were from 1st to 2nd gear.

If I can in fact order a 3500 Mega Cab 3500 SRW with AISIN, the Cummins is still on my short list. But my local dealer said he tried and was unable to get one for a recent customer and had to order a dually to get the AISIN.

I followed up on Cumminsforum and its a known supply and demand issue. Blind luck it appears will determine if you can get AISIN on a 3500 SRW. However, that would be significant to me, as I know the Cummins engine itself is a winner.

If it gets to that point, I will need to learn more about the suspension and handling differences between the Ram 2500 and 3500. As Moflash pointed out yesterday, the Ford 250 and 350 should have similar ride quality. With the Ram I think the difference is more profound. But no first hand info, just recall reading so. Anyone know?


Dan
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Old 08-05-2015, 09:17 PM   #138
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If it gets to that point, I will need to learn more about the suspension and handling differences between the Ram 2500 and 3500. As Moflash pointed out yesterday, the Ford 250 and 350 should have similar ride quality. With the Ram I think the difference is more profound. But no first hand info, just recall reading so. Anyone know?


Dan
Ram was the first to change everything over to the coils. Ford is finally playing catch up. Chevy is the dark ages. The 2500 & 3500 have similar rides.
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Old 08-05-2015, 09:20 PM   #139
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Thanks. I drove a Ram 2500 and 3500 the other week. But 3500 was diesel and 2500 was gas. Both seemed smooth, but it was only a 3-5 mile drive under 45 mph in each case. Couldn't tell much difference.

Dan
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Old 08-05-2015, 09:24 PM   #140
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Does my intended usage warrant going with diesel?

A leaf sprung axle has problems with wheel hop under power. Axle wrap. Same for body movement against the suspension without a Panhard Rod.

Engine torque management and a five link coil rear suspension means the 2500 is going to be more sure footed under power. And more resistant to tripping hazards which should be a serious consideration. It is also better in crosswinds.

Hotchkiss drive is reliable, and can be made better. But it has its limits. And ride quality is not the main reason to choose another, more sophisticated type. But it can be "better" as perceived by passengers.
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