Gas vs PSD
Cargo Master
Joined: Jan 2005
Posts: 2,413
Likes: 11
I don't even know what your talking about? How will this end this?
Lead Driver
Joined: Jan 2006
Posts: 6,267
Likes: 5
I reckon that's fair to ask. You see ford calls for air filter changes along with fuel filter changes every 30k miles. Your wrong about the 6.0s air filter. Its totally different than the ones for the gassers. Matter of fact you don't change them until the air finder minder on them tells you. Most get over 100 miles on theirs. I just changed mine out for my peace of mind.
Parkland I'm sorry that not the case. 15k miles is the change ford calls for. In the 6.0 section a lot of guys believe and preach 5k oil changes and 10k fuel filter changes. I've gambled and went w/ the ford maintance shedule.
Parkland I'm sorry that not the case. 15k miles is the change ford calls for. In the 6.0 section a lot of guys believe and preach 5k oil changes and 10k fuel filter changes. I've gambled and went w/ the ford maintance shedule.
Cargo Master
Joined: Jan 2005
Posts: 2,413
Likes: 11
Wow? Mine is white going in blackish gray comkng out. You said it. Does the 7.3 only have 1 fuel filter? 6.0 and 6.4 has 2 filters.
Lead Driver
Joined: Jan 2006
Posts: 6,267
Likes: 5
The last time I had those sheets, on different engines, the diesel was using about a third the fuel at peak hp.
Senior User
Joined: Jul 2010
Posts: 336
Likes: 1
Your one-third would be a train sized gas engine compared to a psd.
Senior User
Joined: Jul 2010
Posts: 336
Likes: 1
I don't know who said the 450/550 didn't come w/ a diesel. I just got my quaote for an 11 f550 w/ a 6.7 psd. They do come w/ a psd. F650/750 don't come w/ a v10 it comes with an I6. A cummins.
Ford puts the psd in every SD under the f650. So did they just start doing this for the 11 model year?
Ford puts the psd in every SD under the f650. So did they just start doing this for the 11 model year?
2. I stand corrected with the v10 having been removed from the F-650-up trucks. '09-'10 trucks were available with either the V10 or cummins.
Lead Driver
Joined: Dec 2006
Posts: 7,092
Likes: 145
From: San Diego, CA
Just the one fuel/water separator filter on top of the engine.
Senior User
Joined: Oct 2009
Posts: 281
Likes: 0
From: West TN
comments like this have me questioning if you actually owned a 6.0 in the past
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Cargo Master
Joined: Jan 2005
Posts: 2,413
Likes: 11
Can I be mistaken and they said f650 I sure can but what I saw on options it only comes w/ the cummins.
I won't swear to that. Its just all I seen on the option sheet.
Just to clear the air I was offered a gig of carring cattle to colorodo for a salebarn buying cattle for a feedlot out there. I was considering it and buying a bigger truck. I've pretty much made up my mind to turn down the offer. 1 I'm not giving that much for the truck. Not that its really that bad of a price. 2 I have to much to do around here to just head out west.
Lead Driver
Joined: Jan 2006
Posts: 6,267
Likes: 5
PS what do airplane engines use in Grams per kilowatt hour ,roughly, ?
Thread Starter
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Modular motor junkie
Joined: May 2009
Posts: 6,190
Likes: 8
From: Texas
What makes you say that?
pullin some guy off the internet who claims a million miles on a motor is hardly sound evidence of anything, whether it was me postin up a pic of some million mile diesel truck that ive never seen in person, with a driver that ive never met in person, with a motor that could have so much blowby that it makes 150 hp less than it should (or some fanatical brand loyal goon who has gone through 3 motors but will forever claim his million mile truck never so much had a failed water pump). hardly sound evidence. like i said, pick apart anything ive said and we'll see how far that gets you.
my buddy owns a fleet of tow trucks (prob a dozen and a half, all ford from 7.3 to 6.7 [i deleted emissions and studded his 6.blows]) . runnin them 24/7, half the trucks he's had since he started the company 10 years ago. and they all have close to a million miles, some are even higher. . .they sound awful, theyve been through many trannys, but he still makes money off of them and will until they stop workin (hes already retired a few). . .even if that guy in that home-made link did make it to a million miles, what % make it even to 500,000? of course im not even gonna use a cummins as a comparison, plenty of big rigs have 2-3 million + miles on the same bottom end. thats pretty common practice. . .lets see that with any modular. . .(especially towin loads its entire life). as i said before, your modular v10 doesnt defy physics. lets say that guy went a million miles, no overhauls (he admits it runs poorly, and im sure it has for quite some time) thats not an accurate depiction of what the motors will typically do. its like the politicians who cite a prosperous company in times of struggle and claim the economy is strong, when most of the companies are hurting or going outta business. . . .(sounds like im not the one practicing propoganda).
EDIT: for kicks, i asked him what his highest mileage motor was, turns out its onea the 7.3's with 1.7million miles. 4 trucks are over a million. this is common practice for companies where the amount of money they make is correlated to the money they spend on new trucks. the longer they run 'em, the more money they make. im sure most of the towing companies have 1million + mile rigs in their fleet.
my buddy owns a fleet of tow trucks (prob a dozen and a half, all ford from 7.3 to 6.7 [i deleted emissions and studded his 6.blows]) . runnin them 24/7, half the trucks he's had since he started the company 10 years ago. and they all have close to a million miles, some are even higher. . .they sound awful, theyve been through many trannys, but he still makes money off of them and will until they stop workin (hes already retired a few). . .even if that guy in that home-made link did make it to a million miles, what % make it even to 500,000? of course im not even gonna use a cummins as a comparison, plenty of big rigs have 2-3 million + miles on the same bottom end. thats pretty common practice. . .lets see that with any modular. . .(especially towin loads its entire life). as i said before, your modular v10 doesnt defy physics. lets say that guy went a million miles, no overhauls (he admits it runs poorly, and im sure it has for quite some time) thats not an accurate depiction of what the motors will typically do. its like the politicians who cite a prosperous company in times of struggle and claim the economy is strong, when most of the companies are hurting or going outta business. . . .(sounds like im not the one practicing propoganda).
EDIT: for kicks, i asked him what his highest mileage motor was, turns out its onea the 7.3's with 1.7million miles. 4 trucks are over a million. this is common practice for companies where the amount of money they make is correlated to the money they spend on new trucks. the longer they run 'em, the more money they make. im sure most of the towing companies have 1million + mile rigs in their fleet.
And as far as class 8 truck engines and 2-3 million miles go, you know they are nothing like a light truck engine such as a 7.3 or 5.9 cummins, right?
This is crazy. The v10 can either pull as good as a diesel, or it can get similar mileage, it can not do both.
This thread is full of "Yeah but if i put XX gears in my v10, it will get better mileage!!"
Well pick one,
1. Are you gonna hang with the diesels and admit the fuel economy needed to do it?
2. Take better mileage at a slight towing handicap.
This thread is full of "Yeah but if i put XX gears in my v10, it will get better mileage!!"
Well pick one,
1. Are you gonna hang with the diesels and admit the fuel economy needed to do it?
2. Take better mileage at a slight towing handicap.
The V10 would not use 3 times the fuel at peak HP. If it did I would get much lower MPGs than I do.
Postmaster
Joined: Oct 2006
Posts: 4,171
Likes: 12
From: SE Texas
They have listings for generators and their fuel consumption at 100% load.
They use 5.4L and 6.8L gasoline engines,and they're listing a few different diesels-but the specs on them do not match any of the PSD's.
Their SG100 6.8L 100kW generator at 100% load uses 507cu-ft/hr @2300rpms(roughly 14 gal/hr of LP gas). The hp rating at that 2300 rpms is listed as 147hp.
The exact same generator (SD100) with a 6.7L turbodiesel at 100% load uses 7.3gph @1800 rpms. The hp rating at that 1800 rpms is listed as 152hp.
Now, step up to the max size generator that's offered with the 6.8L-the SG150.
It's a 150kW generator that runs 3600 rpms. It uses 22.57 gal/hr of LP, has a hp rating of 224hp.
The diesel equivalent, the SD150 turns 1800 rpms, uses 13.5gph of diesel,and has a hp rating of 279hp.
Looking at these numbers alone, it's not 1/3 of the fuel useage, it's more like 1/2. But that's also comparing LP gas, and not gasoline. One must keep in mind that LP gas has a lower thermal output than gasoline, so it will consume more to make the same power. My best estimate is that the diesel doing the same work will use approx 60-65% of the fuel that a gasoline engine will.
The interesting thing, is that the diesel generator uses more and more fuel as you increase the load, whereas the N/A gas engine stays fairly linear in fuel consumption as RPMs and load rise.
The gas engine in this application doubled it's RPM's, increased the load by 50% from 100kW to 150kW, and fuel useage increased by 61%.
The turbodiesel when the load was increased by the same amount, uses 85% more fuel to do the same job-even though engine RPM did not change.
Standby generators are the most accurate means of comparing the two engines-there are absolutely no other variables. These generatoers are also rated the same for MTBF, and useable lifespan.
JL
Hotshot
Joined: Dec 2006
Posts: 14,069
Likes: 17
From: Melbourne, Ky
As for the V-10 Dodge, I have a nephew that goes to a lot of the truck pulls, the ones that hook the 2 trucks together, (tug-a-war) and he told me that there is one in Cynthiana Ky that has never lost a tug. It's a V-10 Dodge. I have a brother-in-law that has one too. A very strong truck (motor) for sure.
Cargo Master
Joined: Jan 2005
Posts: 2,413
Likes: 11
Do you anything what your talking about. Just the fact that the diesel makes its peak power at lower rpms in itself suggest a difference in fuel usage. I think your examle of a train sized gas engine compared to a 6.8 is more of stretch than the 1/3.