End of the diesel light truck

   / End of the diesel light truck #111  
Volvo made a straight six diesel for their full size sedan for a few years, or at least imported it. The same diesel car is likely still going overseas.
And that Volvo was slow, smokey and vibrated the whole car. Unpleasant, one had to really believe to own one.
That was the D24 (NA version, ~80HP) or the D24T (Turbo version, ~110HP). No relation to modern Volvo diesels. It was actually a VW engine (similar to the one in the Rabbits/Jettas of the 80s but with 2 more cylinders on it). If you had a 200 series (smaller), you could only get the D24. If you had a 700 series (full size sedan) you got the turbo version.
When properly cared for, they dont smoke, they dont vibrate the car and they can be tweaked to have quite a bit of getup and go.
My parents owned a 240 with a D24 when I was little and then Dad got a '84 760 Sedan with the D24T in it when I was in my teens. The 760 compared favorable with a '96 VW Passat which we had at the same time.
Could you make it smoke? Sure, drop a gear and stomp on it for a lovely smokescreen (perfect for the guy in the BMW convertible with the top down who is close enough that you cant see his headlights), but in normal operation, it didn't smoke.

Aaron Z
 
   / End of the diesel light truck #112  
not sure if this is on topic, but isn't there a limit to how much one can downsize a truck's weight and still be able to pull heavy loads?
Put a 500 hp engine in a Chevy Colorado, do you still want to pull a five ton trailer with it? 5000 pounds pulling 10,000 pounds. Hmmm.

I have a 7000+ pound truck that pulls a 9400 load. Wondering if there is an equation or percentage or agreed upon value that even with a weight
distributing hitch, one does not tow/exceed 1xx percentage of the towing vehicle?

The point of all this is that if everything becomes CAFE fuel economy driven, which is likely, will that absolutely require a smaller/lighter truck, similar to cars,
and is there a need or economic argument for diesels in smaller/lighter trucks?

No matter what, we will likely always have tractor trailers, ag tractors and other commercial vehicles that absolutely have to have really powerful engines, so the need for hp and torque
isn't going away, it's increasing if anything. I'm wondering if in my life time I'll see a tractor trailer whooshing by me pulling a trailer that is one third batteries driving the truck.
Electric motor drive is probably our future, what to power the generator with is the question. Or more correctly, what to power the batteries that feed the electric motors.
Let's see, used to pull eight rows. Now I can pull four, and the other half are solar panels...:)

Audi-VW-Porsche, BMW and MB all have powerful diesels in their car lineup, but MB is also a big truck maker. Would be interesting to see what MB engine would perfectly fit the bill in our favorite new truck.
The cost of course would be prohibitive. Cummins needs to get in gear here; they are missing a big opportunity for market growth by not making/marketing a small-medium commercially tough diesel for cars and trucks. They make them for a huge number of boats, why not for cars? Or tractors? They also have the distribution system in place and street cred due to their engines in Dodge trucks. It would be nice for them to step up before Fiat does. The Fiat Iveco engines have a lot of Cummins tech in them I believe, and Iveco could be another sourcing option. Or VW perhaps. VW has aggressive growth plans. Maybe making diesels for US trucks is in their future. We all knew the Duramax was an Isuzu, and as long as GM kept turning up the wick on that motor, making a remarkable amount of power now, everyone seemed to forget GM had to go overseas to partner with an engine builder. Perhaps when GM stopped selling those light duty diesels that could have bankrupted them on warranty claims they decided no more in house diesels for at least 50 years. I want my TechEco diesel, I'd like it to be built in North America, and it has to produce more than enough power for the appropriate application. Stick it in a cement truck and shame on you.
Stay tuned.
 
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   / End of the diesel light truck #113  
Winter reading for me...... find out if EPA mileage tests are done with pure gasoline or E10, or E?.

Aside from the storage headaches, and other collateral damage, what is really objectionable is that as Alcohol scales up in gasoline, energy content goes down. Coincidence that what is "good for the environment" translates to increased government tax revenue ?

One of the reasons I like diesel as a fuel is the higher energy content.

There is no real reason that the efficient modern diesels used in other parts of the world should not be on the road in North America.

Late summer, I found a great article on some properly controlled road testing done on diesel Rangers in the Philippines. Stock vehicles, running AC, real world driving. Unfortunately, that original url has a page with what I think is Tagalog on it now.

Briefer article now here:

http://www.philstar.com/motoring/2012/12/12/884872/pickup-girls

The M/T Ranger was 5.3L/100km over a 275 km distance, the A/T version using a bit more fuel.

44mpg (US gal) is how I calculate that M/T Rangers consumption.

I like my 1 ton a lot. But as a regular runabout, a four door truck that gets 44mpg would not be hard to sell me on.

And, I'm not an easy sell.

A better truck picture and more engine info is in this article:

http://www.philstar.com/motoring/670742/mighty-morphing-power-ranger

No real reason why these Rangers wouldn't be an excellent fit for the Canada or USA market.

Rgds, D.
 
   / End of the diesel light truck #114  
not sure if this is on topic, but isn't there a limit to how much one can downsize a truck's weight and still be able to pull heavy loads?
Put a 500 hp engine in a Chevy Colorado, do you still want to pull a five ton trailer with it? 5000 pounds pulling 10,000 pounds. Hmmm.

I have a 7000+ pound truck that pulls a 9400 load. Wondering if there is an equation or percentage or agreed upon value that even with a weight
distributing hitch, one does not tow/exceed 1xx percentage of the towing vehicle?

that is a good point, but (and I know it isn't really the same) look at a semi... 80,000lbs gross, but the empty tractor is only around 20k-25k.
 
   / End of the diesel light truck #115  
One of the reasons I like diesel as a fuel is the higher energy content.

Rgds, D.

I'm not sure that is so much a higher energy content, in fact I believe it is lower... Diesel engines just make much more efficient use of it. IIRC
 
   / End of the diesel light truck #116  
I'm not sure that is so much a higher energy content, in fact I believe it is lower... Diesel engines just make much more efficient use of it. IIRC
Yes diesel has a higher energy content much like propane to natural gas. The larger the carbon chain the more energy. That's why hydrogen cars would need an enormous tank to get the same distance as gasoline. hope this helps.
 
   / End of the diesel light truck #117  
I'm not sure that is so much a higher energy content, in fact I believe it is lower... Diesel engines just make much more efficient use of it. IIRC
Incorrect. Look at the BTU/Gal column in the attached image, Gas has 111,745 to 114,500 BTUs/US Gallon, E85 has 81,800 BTUs/US Gallon, Diesel has 129,500 BTUs/US Gallon
From: Gasoline gallon equivalent - Wikipedia, the free encyclopedia
Gas Equivelants.PNG

Aaron Z
 
   / End of the diesel light truck #118  
I'm not sure that is so much a higher energy content, in fact I believe it is lower... Diesel engines just make much more efficient use of it. IIRC
With Google at your fingertips, and 5 seconds to search, you never have to worry if you can recall something correctly...

Wrooster
 
   / End of the diesel light truck #119  
Incorrect. Look at the BTU/Gal column in the attached image, Gas has 111,745 to 114,500 BTUs/US Gallon, E85 has 81,800 BTUs/US Gallon, Diesel has 129,500 BTUs/US Gallon
From: Gasoline gallon equivalent - Wikipedia, the free encyclopedia
View attachment 293593

Aaron Z

Thanks for the #'s Aaron. It's been a while since I looked at it. The #'s for E85 and diesel are even farther apart than I was thinking.

Thermally, diesels are more efficient, but they also have the added advantage of starting out with a higher energy content fuel. If you want to see a really efficient vehicle, bring on the diesel hybrids.

No sharp stick intended Mike when I say that the govt is mostly OK with the sad state of science education today. If more people really understood what is going on with these fuels, I don't think the EPA would be playing out this game as easily as it is.

So, let's say you are a Government. You've got a choice between taxing a gallon of E85, or a gallon of diesel - which would you pick to push in the market ?

Follow the money..... usually good advice.

Rgds, D.
 
   / End of the diesel light truck #120  
With Google at your fingertips, and 5 seconds to search, you never have to worry if you can recall something correctly...

Wrooster

Well, thank you for this advice... If everybody searched for everything they posted that they "thought" to be the truth, this forum would be a whole lot smaller, and really have no point since there would be nothing to discuss. At least when I am not sure of something I make it pretty clear so I am not giving bad advice.

No sharp stick intended Mike when I say that the govt is mostly OK with the sad state of science education today. If more people really understood what is going on with these fuels, I don't think the EPA would be playing out this game as easily as it is.

Rgds, D.

no offense taken, and I appreciate the comment without the underlying sarcastic tone. To make it even sadder is that my comment had nothing to do with anything I was "educated" on (but I guess to be fair, I never took chemistry in high school, I stuck with physics for 3 years), only what I have heard through conversation. Goes to show- you can't believe everything you hear.

I do find it funny however, that 4 people responded to a "wrong" statement basically all saying the same thing. That is more responses than I have seen posted to some people that are asking for advice on something.
 

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