Diesel prices stay high, but all is not lost - Page 2 - Escape Trailer Owners Community

Go Back   Escape Trailer Owners Community > Escape Me | General Topics > General Escape
Click Here to Login
Reply
 
Thread Tools Display Modes
 
Old 01-24-2015, 03:31 PM   #11
Senior Member
 
Join Date: Dec 2012
Location: Edmonton, Alberta
Trailer: 1979 Boler B1700
Posts: 9,061
Nothing to do with diesel...

Quote:
Originally Posted by steve dunham View Post
... I've also read that GM is considering the change from steel to light weight alloys.
The change from steel to other materials not only lightens the vehicle but your wallet.
New technology seems to come at a price
More expensive technology is... more expensive. Aluminum bodies are not new, although there are new technologies used with it now, such as welding and bonding methods, and the use of extrusions and die-castings with the sheet panels.

The original 1948 Land Rover had an aluminum body - due to a shortage of steel and excess of aluminum panel capacity after World War II - and these vehicles (more recent versions are called the "Defender" model) have continued with aluminum bodies until today - the Defender is to be discontinued this year. They're not light, but they are very much like an F-150 (body-on-frame truck).

Honda claimed they were introducing the "world’s first mass-production car to offer an all-aluminum, monocoque body" with the NSX. Not the one just introduced at the 2015 Detroit show - the one they built from 1990 through 2005. Before that various specialty cars have been built in aluminum (starting in 1899!) and since then various expensive cars have been aluminum (for instance, Audi started in 1913, and the current A8 and R8 are all-aluminum).

It appears that the cost of fuel and regulatory requirements have reached the point that the manufacturers have decided that the cost of extensive use of more expensive materials is required.
__________________

Brian B-P is offline   Reply With Quote
Old 01-24-2015, 03:35 PM   #12
Senior Member
 
rbryan4's Avatar
 
Join Date: Jun 2014
Location: San Antonio, Texas
Trailer: 2015 19 "Past Tents", 2015 F150 Ecoboost
Posts: 7,618
Well, it's true that aluminum body panels aren't new, but when the vast majority of vehicles are made with steel, aluminum is still considered somewhat exotic. As with anything that is used far less than the "conventional" material, you usually pay a price.
__________________

__________________
"You can't buy happiness, but you can buy an RV. And that is pretty close."
rbryan4 is offline   Reply With Quote
Old 01-24-2015, 03:37 PM   #13
Senior Member
 
Join Date: Dec 2012
Location: Edmonton, Alberta
Trailer: 1979 Boler B1700
Posts: 9,061
Quote:
Originally Posted by Donna D. View Post
The fuel type doesn't, but the build type does. I work for a worldwide transportation company... there's a reason we buy diesel tractors.
I'm pretty sure your company buys trucks with commercial truck engines, Donna, not car or light truck units. A 13-litre to 15-litre big rig engine is built very differently from the Ram's VM Motori A 630 DOHC which runs twice as fast to put out at least half of the big rig's power with only 20% of displacement and 20% of the weight. It is, I agree, the way the engine is built, and while I'm sure a Ram EcoDiesel is a fine engine it is not built for millions of miles of operation, so I still...
Quote:
Originally Posted by Brian B-P View Post
... can't think of any reason to expect the Ram EcoDiesel engine to outlast the Ford EcoBoost...
Fuel consumption is a good reason to choose diesel in a light vehicle... probably the only good reason.
Brian B-P is offline   Reply With Quote
Old 01-24-2015, 03:40 PM   #14
Senior Member
 
Join Date: Dec 2012
Location: Edmonton, Alberta
Trailer: 1979 Boler B1700
Posts: 9,061
Quote:
Originally Posted by rbryan4 View Post
... aluminum is still considered somewhat exotic. As with anything that is used far less than the "conventional" material, you usually pay a price.
I agree. The material is more expensive and the fabrication techniques are more difficult and more expensive to use. There is a cost premium, and there will still be a premium even when aluminum is more common because it will still be difficult to work with.
Brian B-P is offline   Reply With Quote
Old 01-24-2015, 04:41 PM   #15
Senior Member
 
Join Date: Mar 2013
Location: none, Washington, D.C.
Trailer: None
Posts: 1,083
Life expectancy

Quote:
Originally Posted by Brian B-P View Post
I'm pretty sure your company buys trucks with commercial truck engines, Donna, not car or light truck units. A 13-litre to 15-litre big rig engine is built very differently from the Ram's VM Motori A 630 DOHC which runs twice as fast to put out at least half of the big rig's power with only 20% of displacement and 20% of the weight. It is, I agree, the way the engine is built, and while I'm sure a Ram EcoDiesel is a fine engine it is not built for millions of miles of operation, so I still...


Fuel consumption is a good reason to choose diesel in a light vehicle... probably the only good reason.
If one can believe the various Ram truck forums ,the Ram hemi engine is built to last 300,000 km and the eco diesel to about 200,000 miles . Not a large difference
It seems that because the Ram Cummins diesel last 500,000 miles or more ,people assume the 3.0 ltr Eco diesel will have the same life span .
Also from what I can decifer ,the stated life spans for normal consumer engines (Gas or diesel) are based on the vehicle not being used at its' limits or in heavy towing
steve dunham is offline   Reply With Quote
Old 01-24-2015, 04:53 PM   #16
Senior Member
 
Join Date: Dec 2012
Location: Edmonton, Alberta
Trailer: 1979 Boler B1700
Posts: 9,061
Quote:
Originally Posted by steve dunham View Post
If one can believe the various Ram truck forums ,the Ram hemi engine is built to last 300,000 km and the eco diesel to about 200,000 miles . Not a large difference
That all sounds right to me.
Quote:
Originally Posted by steve dunham View Post
It seems that because the Ram Cummins diesel last 500,000 miles or more ,people assume the 3.0 ltr Eco diesel will have the same life span.
I can believe they expect that; I think it is an unreasonable expectation. The Cummins engine is a commercial engine (the ISB) run harder (more boost) than commercial service would normally allow, while the EcoDiesel is a car engine. That's why the 3.0L EcoDiesel puts out 240 hp, while the more than twice as big Cummins (6.7L) puts out under 400 hp; it is a slower-revving and likely lower-boost design.

Quote:
Originally Posted by steve dunham View Post
Also from what I can decifer ,the stated life spans for normal consumer engines (Gas or diesel) are based on the vehicle not being used at its' limits or in heavy towing
Likely true. Commercial engines are run more extensively near their output limits. If anyone tows all the time with their light-duty vehicle they should expect shorter engine life than in typical use.
__________________

Brian B-P is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off






» Virginia Campgrounds

Reviews provided by



All times are GMT -5. The time now is 04:06 AM.


Powered by vBulletin® Version 3.8.8 Beta 4
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Copyright 2012 Social Knowledge, LLC All Rights Reserved.