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Message
re: Why isn't fuel economy getting better? *Spinoff from Ecoboost thread*
Posted on 3/11/13 at 7:09 pm to Hammertime
Posted on 3/11/13 at 7:09 pm to Hammertime
By cant control it I mean you do not directly initiate ignition like you do with a spark or Diesel engine. The only way you can control it is to alter the charge temperature, the compression ratio, the fuel, or a few other things, and these are all hard to change from stroke to stroke. You get miss fires, knocks, exploding engines, etc. they do run lean, but I think it's more due to using lots of EGR to heat the charge
And to those saying there have been no major improvements,
The MPG per HP has certainly improved. You can get a 20mpg truck with over 400hp. Back in the day that would have gotten 2 gallons to the mile.
And to those saying there have been no major improvements,
The MPG per HP has certainly improved. You can get a 20mpg truck with over 400hp. Back in the day that would have gotten 2 gallons to the mile.
This post was edited on 3/11/13 at 7:23 pm
0
Posted on 3/11/13 at 7:10 pm to jordan21210
See one of my earlier posts where I linked the 2004 silverado vs the 2013. 5.3 liter. It was basically the same fuel mileage. Downshift and Hammertime told be it was basically the same engine. That's nearly zero improvement in 10 years.
Posted on 3/11/13 at 7:11 pm to jordan21210
quote:
ETA: And my AC still blows cold and my leather stitched dash has not cracked or faded
Give it a minute
Posted on 3/11/13 at 7:11 pm to KingRanch
He drives it with the cover on it
Posted on 3/11/13 at 7:13 pm to treble hook
That engine hasn't been changed hardly at all since it came out.
Look at it compared to the 350 it replaced for a more accurate idea. You've got to look at replacement engines to get a true idea of what's changing.
Look at it compared to the 350 it replaced for a more accurate idea. You've got to look at replacement engines to get a true idea of what's changing.
Posted on 3/11/13 at 7:13 pm to treble hook
quote:
See one of my earlier posts where I linked the 2004 silverado vs the 2013. 5.3 liter. It was basically the same fuel mileage. Downshift and Hammertime told be it was basically the same engine. That's nearly zero improvement in 10 years.
Notice I specifically left out GM? That's why. In terms of trucks, your argument holds when talking about GM...but you have to look at the industry as a whole, not just one company. Ford and Ram have brought some really good and really efficient tech into the half ton market lately.
Posted on 3/11/13 at 7:14 pm to KingRanch
No shite I just had to take a Dodge dash apart today for aheater core motherfricking whore
dash pad broke into million pieces
dash pad broke into million pieces
Posted on 3/11/13 at 7:14 pm to DownshiftAndFloorIt
quote:
He drives it with the cover on it
SPF 50 on the dash once a week brah
Posted on 3/11/13 at 7:14 pm to jordan21210
Shouldn't have to you don't on the other brands
Posted on 3/11/13 at 7:18 pm to greasemonkey
quote:
Shouldn't have to you don't on the other brands
I guess sarcasm just goes over your head, huh?
I honestly can't remember the last time I put armor all or any protectant on the dash. Been a year at least...
Posted on 3/11/13 at 7:18 pm to jordan21210
I love some of the ideas mentioned in this thread. The EcoBoost is what inspired it.
I have my own opinion as to why GM is complete shite but it has nothing to do with fuel mileage.
I'm just trying to figure out why we don't have trucks that provide enough power for general use (hauling normal light loads, towing regular boats, etc.) that get at least 30 mpg. I've got to believe the technology is there. Or at least better than what we've got. We have some smart arse people that live in this country.
I have my own opinion as to why GM is complete shite but it has nothing to do with fuel mileage.
I'm just trying to figure out why we don't have trucks that provide enough power for general use (hauling normal light loads, towing regular boats, etc.) that get at least 30 mpg. I've got to believe the technology is there. Or at least better than what we've got. We have some smart arse people that live in this country.
Posted on 3/11/13 at 7:19 pm to treble hook
Because nowadays 4000 pounds requires wayyyyyyyy more power to tow than it did 30 years ago.
Posted on 3/11/13 at 7:22 pm to DownshiftAndFloorIt
Haha now I get it
Posted on 3/11/13 at 7:23 pm to treble hook
I was going to say something about the 5.3 not getting good mileage bc GM is dumb and loves shooting themselves in the foot, but I figured it'd ruffle a lot of britches around here 
I love the 5.3, great motor. But for the sake of this conversation, they screwed the pooch.
And I agree 100%. The tech for 30 mpgs is coming via Ram in a half ton turbo diesel with an 8 speed trans...it'll be good, expensive, but good. And with the ferocity of "one-upping" each other each manufacturer has in the half ton market, I'm sure better will come...doubt it's much more than 30 though.
I love the 5.3, great motor. But for the sake of this conversation, they screwed the pooch.
And I agree 100%. The tech for 30 mpgs is coming via Ram in a half ton turbo diesel with an 8 speed trans...it'll be good, expensive, but good. And with the ferocity of "one-upping" each other each manufacturer has in the half ton market, I'm sure better will come...doubt it's much more than 30 though.
Posted on 3/11/13 at 7:24 pm to jordan21210
You can't say dodge hasn't had dash problems though.
I just took the dash out of a 2012 for the body shop next door. It seemed to be made a lot better. hopefully they figured it out. I'm tired of customers thinking I tore their shite up when is just brittle junk
I just took the dash out of a 2012 for the body shop next door. It seemed to be made a lot better. hopefully they figured it out. I'm tired of customers thinking I tore their shite up when is just brittle junk
Posted on 3/11/13 at 7:26 pm to treble hook
I personally think the ecoboost is going to help bring out the ideas on fuel efficient trucks. Dodge is coming out with the diesel half ton FINALLY. GM is just gonna flounder around and hope they're loyal fan base keeps them afloat. 40mpg is becoming much more common with regular cars.
It's going the right way.
It's going the right way.
Posted on 3/11/13 at 7:27 pm to greasemonkey
quote:
You can't say dodge hasn't had dash problems though.
Don't deny that at all. 1994-2008 had super shitty dashes.
ETA: Despite that, the 1994 Ram was pretty revolutionary in the half ton world.
This post was edited on 3/11/13 at 7:29 pm
Posted on 3/11/13 at 7:34 pm to jordan21210
I know that new dash is 1 of the hardest I've taken out.
Posted on 3/11/13 at 8:40 pm to jordan21210
The only thing revolutionary about the 94 dodge was the styling, which i don't care for, and the marketing.
Posted on 3/11/13 at 8:58 pm to treble hook
quote:
I'm just trying to figure out why we don't have trucks that provide enough power for general use (hauling normal light loads, towing regular boats, etc.) that get at least 30 mpg.
Honda could have been well on their way to something like that if that's what people actually wanted and bought their "Truck" 100K units/year.
People are most likely going to have to give up some "truck like qualities" if they really want a high MPG truck.
Hell Toyota is the biggest pussy arse company in the world when it comes to engines and mileage and hybrids and all that BS and what did they do to appeal to us? Gave us one of the biggest most powerful half tons with nothing revolutionary as far as MPG is concerned.
How many grandpa style tacomas do you see running around these days? They used to be able to get away with a 4 cyl truck and now they've got a gas hog V6 and just about every single one of them is Jacked up and 4 doors (not that there's anything wrong with that).
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