Gas vs PSD
Postmaster
Joined: Apr 2006
Posts: 3,524
Likes: 2
From: CA Bay Area
Originally Posted by Kajtek1 
I always get chuckles when I read about towing on this forum. Per my observation it is me and couple other members who own F450-550 design for serious hauling.
Anyone want a challenge with me on towing 18,000 lb trailer, while having 9000 on the bed?
I didn't think so
I always get chuckles when I read about towing on this forum. Per my observation it is me and couple other members who own F450-550 design for serious hauling.
Anyone want a challenge with me on towing 18,000 lb trailer, while having 9000 on the bed?
I didn't think so
A V10 F550 would have no problem with that load.
Problem with them is that not much longer than 1 hr they have to pull over to gas station and I loose the radar shield
Hotshot
Joined: Oct 2005
Posts: 12,237
Likes: 22
From: Florida
Also, the gasser must be able to use a wider rpm range to do the job near as fast as the diesel. It was proven in Crazy001's first set of videos that when the V10 is limited to (by way of the TC lockup) ~3000 RPMs, the truck ran out of steam going up the hill. But with 5-Star Mike's tune to delay the converter lockup, the V10 performed better due to using another 1000 rpm's or so.
I posted the HP/Trq curve of the V10 a number of pages back...you can see the HP climbs very steadily over the full RPM range and the Trq is very flat between about 2000 and 4000 RPMs and falls off after 4000 RPMs...
Keep that V10 in that band and she runs and pulls like a scalded dog.
joe.
Senior User
Joined: Feb 2006
Posts: 257
Likes: 0
From: Kingsland, GA
As for the fuel pressure issue, Powerstrokes have been injecting fuel at about 25,000 psi for 17 years, and have had almost no issues regarding the high pressure injection.
Yes, your concern about the turbo bearings can be an issue, but if you shut it off accidentally, just turn it right back on.
Yes, your concern about the turbo bearings can be an issue, but if you shut it off accidentally, just turn it right back on.
Yeah, those concerns would appear to be valid if we were talking about a brand new engine design or concept in turbo charged diesels... but in the case of the big three, they've been doing it for a little bit, y'know?
Posting Guru
Joined: Mar 2008
Posts: 1,537
Likes: 0
From: Dongola, IL
My statement was true, there are very few issues with injecting the fuel at 25,000 psi. There are some issues with the HPOP system occasionally (mainly on the 6.0 ) but they are not very common.
I have worked on many powerstrokes, and have never needed to change an HPOP, sometimes to upgrade, but never "needed" to.
7.3 injectors, (and 6.0 if they are well maintained) last a long time.
I have had 300,000 plus on original injectors. norm is around 200k.
Thread Starter
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Modular motor junkie
Joined: May 2009
Posts: 6,190
Likes: 8
From: Texas
A V10 with the smallest tank can still run 4 hours at 80.
I can run 5.
Hotshot
Joined: Oct 2005
Posts: 12,237
Likes: 22
From: Florida
Elder User
Joined: Mar 2003
Posts: 616
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From: Farms of Duplin County
Hotshot
Joined: May 2005
Posts: 13,484
Likes: 42
From: Stevens Point, WI
My 44 gallon tank feeding the 7.3 @ 70mph can outlast pretty much anyones bladder.
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Posting Guru
Joined: Mar 2008
Posts: 1,537
Likes: 0
From: Dongola, IL
Well, now it's who can drive longer on a tank of fuel
I got that V10 running (bad fuel pump) and I drove it.
Underpowered pile o scrap..... just joking.....
It was actually quite powerful after 3500 rpm.
I got that V10 running (bad fuel pump) and I drove it.
Underpowered pile o scrap.....
just joking.....It was actually quite powerful after 3500 rpm.
Elder User
Joined: Apr 2009
Posts: 685
Likes: 0
From: Spokane, WA
You talk to him to see if he is willing to pull it with your 7.3?
Postmaster
Joined: Apr 2006
Posts: 3,524
Likes: 2
From: CA Bay Area
Laughing Gas
Joined: Jul 2010
Posts: 1,155
Likes: 31
From: Idaho
The true distance between gas stations.
I have NEVER EVER made more then half a tank with my wife in tow. What really sucks is looking for a clean restroom. That adds hours to any trip.Bill is about right on the MPG at 80. I get about 12.x at that speed. I think that is the speed limit.Donovan