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Old 08-15-2008, 01:11 PM   #1
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Improve pickup truck mileage

http://www.greencarcongress.com/2008...ers-xfe-m.html

Well, Chevy is finally listening to people screaming about $4 gas. But you still have to wonder why they chose a big 5.3 liter V8 instead of the smaller 4.8 liter V8, 4.3 V6 or the 2.9 liter I4.

The six speed tranny would improve the low end "grunt" of the smaller engines.

And you have to wonder why they haven't gotten around to making an XFE Colorado pickup.
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Old 08-15-2008, 02:47 PM   #2
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though it is a step in the right direction, it is only 1MPG better than the non-XFE version. you would think they could do better than that.

????
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Old 08-15-2008, 02:53 PM   #3
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Not only that, but I'm getting better than XFE mileage in my 1998 Sierra with a 350 V-8 and over 150,000 miles.

-Jay
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Old 08-16-2008, 07:06 PM   #4
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The 5.3 is the right choice for two reasons:

1. It's very efficient, relative to the 4.8 and the V6. It varies by year and model, but usually it's rated the same or better.

2. The most important part about making a more efficient model is that people have to buy and drive it. People want the 5.3.
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Old 08-16-2008, 07:26 PM   #5
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yea but what about the smaller diesels for the 1500 series trucks everyone was promising for 2010. everyone being ford chevy and dodge. I think even toyota jumped on that bandwagon.

I would think that a diesel would sell better than any gas engine if towing was involved.

sorry, just fussing about the what ifs.
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Old 08-16-2008, 07:38 PM   #6
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I don't think that most of the full size pickup market will buy anything less than 8 cylinders, even in a diesel (and regardless of the long history of 6 cylinder diesels used in commercial trucks).

Maybe Mahindra will be successful and change that.
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Old 08-17-2008, 06:11 AM   #7
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My question is why don't they add a manual transmission to their Silverados?
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Old 08-17-2008, 06:18 AM   #8
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You can get a 5 speed, but only on the "work truck" trim level, and only with the V-6 last time I checked. When I bought the Beast I was looking at new trucks, and asked to see a 5 speed, but they didn't even have one on the lot.

-Jay
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Old 08-17-2008, 11:15 AM   #9
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The answer to that question is, (and I know I sound like a broken record here), nobody will buy it. It was available, once upon a time, but people weren't buying enough for it to be a cost-effective option to offer.

I think Dodge offers a manual transmission in some of their V8 full size pickups. I'm pretty sure they're the only one.
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Old 08-17-2008, 12:47 PM   #10
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the dodge cummins turbo diesel (5.9 liter) is an inline 6 and has been that way until they recently changed it to a larger displacement but I think it is still an inline 6 and it got great power.

I have heard that dodge was going with a smaller V6 configuration that was going to yield roughly 200hp and 500 ft/lbs for the 1500 ram. I would buy that over the over inflated (in my opinion) hemi.

I disagree with the "people won't buy it" arguement when it comes to the diesel. look at the 2500 and 3500 trucks. most of them are diesels especially the people that use them for hauling. I can't remember a 1500 series truck with a diesel option. I have been told that they used to offer it but I wasn't around back then.

I do however agree with that arguement for the stick shift. I personally love a stick but most do not. sticks seem to be reserved for lower end cars and sports cars alone. good luck getting one in a truck or an SUV. I had to special order a truck to get the V8 and the manual and then found out that the max torque rating for the trans was just over the factory torque rating of the motor. I was very limited in what I could do with that truck so that I didn't mess up the trans.

last year, the diesels in the smaller full size trucks were all the craze on the dodge forum. everyone wanted one because it would outpull the hemi and (with modifications) outrun it as well. all that was speculation but there were high hopes.
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