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Old 12-10-2009, 07:59 AM   #29
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I guess I'll shelve my diesel Avalanche dreams for good...

Tom
Tom,

In my opinion after now owning and driving a rather new Diesel, you've not lost anything. The newer ones with the DPF (Diesel Particulate Filter) in the exhaust system, and the needed regeneration cycle it mandates, removes all of any fuel mileage advantage the Diesels ever had. But, at least the fuel is still higher priced.

Just like our government...mandate higher fuel efficencies one one hand, and then mandate ULSF (Ultra Low Sulfur Fuel) on the other causing prices to go up, and then to top it off, mandate the DPF system causing mileage to go down. What a bunch of morons.

What? Me bitter????
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Old 12-11-2009, 10:26 AM   #30
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diesel future

I'm going to change the subject slightly here to "diesel past". A recent "barn find" has turned up an 82 Chevy with 6.2 and 97000 miles. Truck seems to be in excellent shape,starts runs and sounds good. Can anyone give advice about the 6.2? This is a little before my time and there seems to be quite a bit of anamosity toward older diesels esp. GM. Thanks, Vince
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Old 12-12-2009, 06:38 PM   #31
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I just read an article about the "Green Car Journal" awarding it's "2010 Green Car of The Year Award" to the Audi A3 TDI Diesel. Of five finalists three were hybrids, Honda, Toyota, and Mercury and two diesels, VW Golf TDI and the Audi.

One of the Audi big wigs apparently have been very vocal about the U.S. Govt. pushing manufacturers to the hybrid. He says they should set the target MPG and let the manufacturers find the best way to get there.

I personally feel that our Govt. follows the lobbyists and money rather than the science. I have read that 80% of the luxury cars sold in Europe are diesel. The Jaguar XJ6 sedan has a diesel option the does 0 to 60 in 8.3 seconds, has a top speed over 140 mph and gets 37 mpg. My '72 XJ6 does 0 to 60 in 8.5 seconds, has a top speed of 126 mph and gets a whopping 16 mpg. If I could figure a way to import a new Jag I would be a very happy camper.

I have driven diesels as my primary vehicle since 1982. My first was a '79 Peugeot. I have also had Ford, Chev, and currently a Dodge diesel pick-up. I have four collector vehicles that are diesel as well as a tractor and a boat. Of coarse the Airstream is diesel.

Long Live the Diesel.
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Old 12-12-2009, 06:58 PM   #32
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I'm going to change the subject slightly here to "diesel past". A recent "barn find" has turned up an 82 Chevy with 6.2 and 97000 miles. Truck seems to be in excellent shape,starts runs and sounds good. Can anyone give advice about the 6.2? This is a little before my time and there seems to be quite a bit of anamosity toward older diesels esp. GM. Thanks, Vince
I drove a 82 6.2 for several years. It's a capable engine if you don't run it too hard. Running loaded at full throttle up the hills will insure an early death. Back off the throttle, drop a gear and stay to the right and it will live longer. The engine also has weak head bolts. They are not reusable, pull the head and buy a new set of head bolts. You will learn when you blow the first head gasket. At 97.000 it has already blown a head gasket or it will very soon. The starter was also a weak spot. I bought a NAPA with a lifetime warranty and replaced it several times. The manual said not to pre-fill the fuel filters when you change them. You are supposed to install the filters dry and crank the engine with the starter until it starts. You get to buy a new starter with each filter change.
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Old 12-14-2009, 11:22 AM   #33
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The main reason the Government is backing the Hybrid and the Hydrogen fuel cell to power cars and trucks is because the public will still be tied to a vendor for fuel, and an easy way to collect road taxes. Bush's buddies big oil (Shell Oil for instance who talked about placing hydrogen filling stations) will still be guaranteed income. Efficient batteries would be developed if half the money being dumped into fuel cell research were diverted to battery development. But no, the Govt still must have their easy way to collect road taxes (tax on each gallon of Hydrogen or gas) and pay off their buddies, big oil. The battery car would plug in the wall and the actual cost of charging up the vehicle would expend one tenth the energy it takes to generate the liquid hydrogen.

Beginner
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Old 12-17-2009, 10:52 AM   #34
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I am a big fan of the diesel engine, although were they are headed I may change my opinion. This new Ford diesel is a good prospect, since it was in part designed with the help of the Europeons. They have been useing diesels for many years. Cummins is a great engine, I am not a big fan of the truck, after ownig a few in my fleet. The Ford chassis are much better, but the Engine, (6.4) was a let down. I wish they would offer the 7.3 in the future again
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Old 12-17-2009, 11:56 AM   #35
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The Ford chassis are much better, but the Engine, (6.4) was a let down. I wish they would offer the 7.3 in the future again
Because of the emissions laws in this country now, I don't believe you will ever see that engine again, or even one simular to it for that matter.

Additionally, if the manufacturers can't figure out how to get the fuel mileage back up on the new Diesels, I predict that Dielsels in non-commercial use will soon be a thing of the past in this country.
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Old 12-17-2009, 12:22 PM   #36
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SteveH that will be sad
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Old 12-26-2009, 08:06 AM   #37
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An Update on my fuel mileage "issues"

After totally servicing this new(er) 2008 GMC 3/4 ton Duramax Diesel truck that I traded for (and I do mean totally...changed engine oil and filter, transmission oil and filter, lubricated the front suspension, changed the air filter, the fuel filter, the transfer case oil, and the differential grease, and adding a fuel additive) we took a trip to visit inlaws last week, and driving 65-70 without the airconditioner, and in mostly cruise control, the fuel mileage is now at 18.7 mpg on the highway. I still have not had the oportunity to tow the Airstream with the truck.

This is now up to the fuel mileage that my '07 1/2 ton gas truck got under the same driving conditions. I suspect the main "problem" was the air filter. Sorry to say, the fact that this air filter was in the condition it was in, illustrates to me the service history this vehicle has "endured".

From the looks of the oil that drained out of the engine, and the particulate matter that was left in the drain pan, I am going on a regiment of short mileage oil changes for a while in an effort to clean the inside of the engine. I suspect because of the fact this truck is 1.5 years old, was for sale on a used vehicle lot, and had 53,000 miles on the clock, that it was a lease vehicle and had less than adequate service attention in it's life. At this point, I can only hope no serious damage was done to the drive train as a result.

When you buy used, it's like a crap shoot, and you just take your chances.
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Old 12-26-2009, 11:52 AM   #38
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Anyone have experience with the 5.9 cummins. I am looking at a 36ft Air Stream with 48 K miles. I am wondering about the weight ratio of this unit, and where to find weight info on this unit. I am a bit out of my element in this arena, and don't want to make a mistake at this stage of life. I have had a 7.3 Naturally aspirated Navistar in a 29 Ft Ford. Great engine...not great power..but great mileage at 15 mpg.
any insight appreciated on the AS with 5.9 cummins...and weight issues..
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Old 12-26-2009, 12:27 PM   #39
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Gas cars ran badly for almost ten years starting in the early 70's. Finally technology caught up with the emission mandates.
I am babying my 2000 7.3 Power Stroke and will not buy a new light truck diesel until the new ones perform equally well.
If the Power Stroke dies (not too likely), I will go to a gasser.
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Old 12-26-2009, 04:11 PM   #40
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im just glad i have a 04 cummings, great milage and no DPF. the 5.9 will pull your house AND you nieghbors with no problems (pulled 18k up the 8 in san diego at 60mph, no issues)
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