Coast Resorts Open Roads Forum: Tow Vehicles: Diesel vs gas......................
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 > Diesel vs gas......................

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Taco

VA

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Posted: 08/11/12 05:54am Link  |  Quote  |  Print  |  Notify Moderator

No I have a gas chevy 2500hd 6.0

In va you can choose what weight you register it at but it has to be a certain amount above the empty weight. the increased empty weight of the diesel truck would force me to register at a weight that doesn't get the lower rates.

I need the 3/4 ton because I need the payload to allow me to tow the toyhauler and also have an atv and firewood and stuff in the bed.

Also the weight of the diesel would have lost me payload and forced me to go to a 1 ton so it would have increased the amount it would have cost me that much more.

the point is that the diesel crowd are far to quick to tell people that are asking for real advice that they need a diesel when they really don't. That advice may end up costing that person their hard earned money that they didn't need to spend.

transamz9

Lawrenceburg Ky

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Posted: 08/11/12 06:07am Link  |  Quote  |  Print  |  Notify Moderator

So how would it work with to motors with the same HP but 1 with more torque?


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Sport45

Not far enough from Houston, TX

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Posted: 08/11/12 06:32am Link  |  Quote  |  Print  |  Notify Moderator

You haven't been paying attention. The one fueled by diesel will always win. [emoticon]

Torque has nothing to do with it.

Hannibal

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Posted: 08/11/12 11:56am Link  |  Quote  |  Print  |  Notify Moderator

transamz9 wrote:

So how would it work with to motors with the same HP but 1 with more torque?


The one with more torque would produce the same hp at a lower rpm. Therefore it would pull the same trailer the same speed up the same grade at a lower rpm.


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Hannibal

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Posted: 08/11/12 12:05pm Link  |  Quote  |  Print  |  Notify Moderator

transamz9 wrote:


I call BS on that. There is only 7-8,000 difference in two trucks that have the same options except the motors. Maybe half ton to three quarter ton there is that much but not two like trucks.

No body yet has proved to me that diesel cost you more than gas in the long run.


You diesel only gas hater guys want it both ways. You claim you can buy a diesel pickup for the same amount off of MSRP therefor maintaining the $8K difference. First hand experience has proved to me that I can buy a gas powered HD pickup for much more off of MSRP than the more popular diesel powered duplicate HD pickup. So the spread is actually quite a bit more than the $8k MSRP difference. Same with used. You can't sell them for a fortune or buy them for a song in the same market. You flipflop continuously depending which argument you're trying to bolster. [emoticon]

transamz9

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Posted: 08/11/12 12:53pm Link  |  Quote  |  Print  |  Notify Moderator

Hannibal wrote:

transamz9 wrote:


I call BS on that. There is only 7-8,000 difference in two trucks that have the same options except the motors. Maybe half ton to three quarter ton there is that much but not two like trucks.

No body yet has proved to me that diesel cost you more than gas in the long run.


You diesel only gas hater guys want it both ways. You claim you can buy a diesel pickup for the same amount off of MSRP therefor maintaining the $8K difference. First hand experience has proved to me that I can buy a gas powered HD pickup for much more off of MSRP than the more popular diesel powered duplicate HD pickup. So the spread is actually quite a bit more than the $8k MSRP difference. Same with used. You can't sell them for a fortune or buy them for a song in the same market. You flipflop continuously depending which argument you're trying to bolster. [emoticon]


I've already told you what I bought mine for new and what the exact same truck is selling for.I can easily sell my truck right now for $10,000 less than what I bought it for 7.5 years ago. That is with-in a hundred mile radius of home anyway.[emoticon]

Taco

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Posted: 08/11/12 01:05pm Link  |  Quote  |  Print  |  Notify Moderator

Just remember the asking price advertised isn't the selling price. Just because someone is asking big bucks for used diesel trucks doesn't mean they will get it.

transamz9

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Posted: 08/11/12 01:25pm Link  |  Quote  |  Print  |  Notify Moderator

Taco wrote:

Just remember the asking price advertised isn't the selling price. Just because someone is asking big bucks for used diesel trucks doesn't mean they will get it.


Yes I know. They are asking 2,000+ more than what I'm saying that I can sell mine for. They are actually asking about $8000 less than what I paid.

Crazyfoe

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Posted: 08/11/12 09:07pm Link  |  Quote  |  Print  |  Notify Moderator

You guys crack me up. No one is going to change their opinion either way. Might as well argue w/ a 2yo.


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Posted: 08/12/12 02:48am Link  |  Quote  |  Print  |  Notify Moderator

transamz9 wrote:

I'm not trying to be a pain in the *** but I am like you trying to get as much of the info on this thread correct. First off Taco I'm sorry, I didn't catch the "I" in the post where you said that it would cost "you" 14-15G more. I'm sorry for that. So you bought a half ton instead of a three quarter?

As far as routine maintenance cost go, yes if you buy a Ford diesel because they have to until they get the bugs worked out. The others, I don't think so.

OhhWell, I know that torque is stationary but here's my theory. You guys have already said that a diesel will get up to speed quicker with a load because of the low end torque. If you think about it , it makes sense if you have 600 lb/ft of pressure trying to turn a wheel as apposed 300 lb/ft of pressure trying to turn a wheel. Same as true if you are already running a set speed (flat ground) and you start up a 6% grade. It's going to be harder to slow a wheel's speed down that has 600 lb/ft then it will 300 lb/ft.

Am I thinking correctly?


Not really. The engine torque does not directly turn the wheels. It is fed through a transmission. This means the higher torque engine will deliver more HP to the wheels only if the 2 setups have same rear axle gearing and are operating in the same tranny gear. Practically, this gives the higher torque motor an advantage off the line. But once moving, the high torque (low rpm) engine will need to shift sooner. Shifting up proportionally decreases the torque applied to the rear wheels and you're soon back to the same wheel torque that the low torque engine is providing.

The torque at the wheels applied at a certain speed (wheel rpm) is the horsepower being delivered. The engine that can maximize the HP delivered to the wheels throughout various gears and conditions will pull harder. If both engines produce the same HP within the rpm band they operate in between shifts, they will perform the same. Gas engines don't pull hard at low rpm when first taking off or if run in too high of a gear. This was the issue with 3 and 4 speed transmissions. Too often the gas engine was shifting from a rev limiter to below its HP producing rpm range. With 5 and 6 speeds these days the problem is all but gone.

The reason earlier generation diesels "worked better" is because people didn't want to have the gasser cranking out the high rpm needed to produce its peak power or the transmission didn't provide the proper gearing. Gassers also don't have the benefit of a turbo so they lose HP at high elevations.

The newest diesels pull harder simply because they are producing more HP than the gas engines.

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