Gas vs PSD
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Modular motor junkie
Joined: May 2009
Posts: 6,190
Likes: 8
From: Texas
Thats your opinion.
Hotshot
Joined: Mar 2007
Posts: 10,101
Likes: 40
From: Pa
I work on Ford trucks, and more specifically 7.3L Powerstrokes, and out in the field or on the road they last longer. If gas engines last as long, and could pull as well, why don't we see them in over the road and big rig trucks?
More rpms= shorter life. and that too is a fact.
More rpms= shorter life. and that too is a fact.
FYI, a SD is not a class 8 truck. The diesel boys hang on that like a baby to plump tata. The diesel is there for fuel mileage, thats about it.
Senior User
Joined: Oct 2009
Posts: 207
Likes: 0
Keep telling yourself that and ignore real world ease of towing and the manufacturer's higher tow ratings for diesels...but yeah mileage is better so you got something right.
Hotshot
Joined: Dec 2006
Posts: 14,069
Likes: 17
From: Melbourne, Ky
I know of one 97 F-Super Duty 7.3psd with over 300,000 miles. It's in a work truck that weighs over 13,000lbs, and has 4.56 gears in it. In a couple years it should be well over the 400,000 mark.
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Modular motor junkie
Joined: May 2009
Posts: 6,190
Likes: 8
From: Texas
I know the guy with all the PSD vids on youtube has one that blew up at 796,000 or some where around there. Thats the highest mileage 7.3 that I have seen proof of.
Posting Guru
Joined: Oct 2009
Posts: 2,066
Likes: 4
From: Rogue River, Oregon
There's a guy here on the FTE that has over 300K on his '05 V10 with little more than oil changes and an alternator or two. Find me a 6.0 or 6.4 anywhere near that for comparison and we'll talk trouble-free...
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Postmaster
Joined: Apr 2006
Posts: 3,524
Likes: 2
From: CA Bay Area
Originally Posted by dkf 
There is "a" dcoumented 5.4l with over a million miles on it. Where is the 7.3l with over a million miles on it?
There is "a" dcoumented 5.4l with over a million miles on it. Where is the 7.3l with over a million miles on it?
Shall we switch to 4-bangers?
Cargo Master
Joined: Jan 2005
Posts: 2,413
Likes: 11
No hearsay. Not my uncles, yea I have 1. In my driveway is "a" psd. 80% of sd sales has a psd in it. Come on they can't be that hard to find. Well if you haven't seen one look in my gallery. That's "a" psd.
Cargo Master
Joined: Jan 2005
Posts: 2,413
Likes: 11
Not cause of the miles but cause its an amarilo and its a good looking truck. There's lots of em out there. But you have to get away from the keyboard to find em. You find the problem ones on line cause there's where the owners vent.
Lead Driver
Joined: Jul 2007
Posts: 7,868
Likes: 9
From: Rhode Island
There are also chevy 350 v8 motors with over a million miles on them, but that is a very rare occurance.
I know of countless 7.3L with 3-400,000 miles on them that are still going strong. I also pretty frequently hear of 7.3L with 500,000 plus on them.
That is hardly the case for gas engines in general.
I have heard of 7.3L with a million on them, but that is also very rare.
I know of countless 7.3L with 3-400,000 miles on them that are still going strong. I also pretty frequently hear of 7.3L with 500,000 plus on them.
That is hardly the case for gas engines in general.
I have heard of 7.3L with a million on them, but that is also very rare.
Hotshot
Joined: Mar 2007
Posts: 10,101
Likes: 40
From: Pa
Show me a class 8 that comes with a gasoline engine where you base your "higher towing numbers" off of. DOT likes to play god in determining weight, on class 8 trucks. Fact, you are seeing LPG and CNG replacing diesel fuel in certain applications. Expect that to increase in the future. Reason, cost and emissions.
As for the "ease of towing" its has been discussed several times here, the turbo deserves the majority of the credit for that.
There is Thessaloniki cabbie that made 4.5 million km (2.4 mil miles) on 4 cylinder diesel.
Shall we switch to 4-bangers?
Shall we switch to 4-bangers?
Just trying to prove the point that the "diesel last longer" is not necessarily true.
Not cause of the miles but cause its an amarilo and its a good looking truck.
Postmaster
Joined: Apr 2006
Posts: 3,524
Likes: 2
From: CA Bay Area
There was lot of propane conversions on the roads in 1970's but as soon as gasoline prices drop down, most of the owners converted them back.
Than our county had a fleet of vehicles powered by natural gas about 15 years ago. Don't see them anymore. I still believe the program with natural gas was similar to the electric vehicles GM was leasing few years back. Only after pulling them all off the road -GM admitted that each one cost them over 1/4 million dollars.
Politics will not last long on the roads.