Gas vs PSD
New User
Joined: May 2011
Posts: 1
Likes: 0
Missing the point
I think most are missing the point. The problem is not fuel mileage and pulling power and all that macho stuff. Gassers just get less mileage. Period! Pulling power. They both do the job. The problem is with the reliability of the newer Ford diesels. We buy a diesel to have long life and few problems. From my research these Ford (International) diesels are loaded with problems and many have them in the repair shop for days and weeks per year. Some seem to have good luck, but Wow! Many have loads of problems and at early mileage. I wanted a diesel (have had three in the past) but cannot handle all that uncertainty. I chose a gasser until they make a good truck with Cummins up front and Allison behind it. That will cause all the other truck makers to go out of business.
Cargo Master
Joined: Jan 2005
Posts: 2,413
Likes: 11
I think most are missing the point. The problem is not fuel mileage and pulling power and all that macho stuff. Gassers just get less mileage. Period! Pulling power. They both do the job. The problem is with the reliability of the newer Ford diesels. We buy a diesel to have long life and few problems. From my research these Ford (International) diesels are loaded with problems and many have them in the repair shop for days and weeks per year. Some seem to have good luck, but Wow! Many have loads of problems and at early mileage. I wanted a diesel (have had three in the past) but cannot handle all that uncertainty. I chose a gasser until they make a good truck with Cummins up front and Allison behind it. That will cause all the other truck makers to go out of business.
Lead Driver
Joined: Nov 2007
Posts: 5,139
Likes: 209
What do you think you've said? Engine is turning around 262.30 rpms. Now you gear the transmission and rearend and you can have a nice speed for pulling that load around the trailer yd or rail up the track. The 50 hp s because the can't turn any faster.
Let's build this motor to beable to turn say 2300 rpms. Hp will peak somewhere between 1400 and 1600 netting our motor around 300 hp. I think we would all agree that would be enough rpm to to pull highway speeds in America.
Let's build this motor to beable to turn say 2300 rpms. Hp will peak somewhere between 1400 and 1600 netting our motor around 300 hp. I think we would all agree that would be enough rpm to to pull highway speeds in America.
Engines are more dynamic than just plugging in numbers.
Postmaster
Joined: Apr 2006
Posts: 3,524
Likes: 2
From: CA Bay Area
Its because it 6.8l makes more tq. I knew you was going to say something like that. The fact is that the 6.2l only makes 405 ftlbs of tq. It peaks at 4500 and hp peaks at 5500. Do the math. Its just crystal clear that the higher rpms of peak tq netted the higher hp. Now what engine do you really want to be pulling 15k with? The 6.8l.
Just avoided scales today. I have my truck registered with 30,000 lb stickers and per listing on the stuff I was hauling I might be 2000 lb over.
Than who really think the listings are truthful?
Cargo Master
Joined: Jan 2005
Posts: 2,413
Likes: 11
Gears and rpms win races. Ie my truck has more hp and tq then my 07 and 10 mustangs but they'll blow my doors off. The 6.0l has more tq than the 6.8l but it'll blow the 6.0 away
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Senior User
Joined: Jul 2010
Posts: 336
Likes: 1
It'll really blow the 6.doh!s doors off in the 6.doh!s natural habitat, a flatbed tow truck.
Senior User
Joined: Jul 2010
Posts: 336
Likes: 1
I can pull that much with my gasoline powered lawnmower.
Dumb.
Just avoided scales today. I have my truck registered with 30,000 lb stickers and per listing on the stuff I was hauling I might be 2000 lb over.
Than who really think the listings are truthful?
Yay for you. Don't really know what relevance that has here but, ok.
Dumb.
Just avoided scales today. I have my truck registered with 30,000 lb stickers and per listing on the stuff I was hauling I might be 2000 lb over.
Than who really think the listings are truthful?
Yay for you. Don't really know what relevance that has here but, ok.
Elder User
Joined: Jan 2010
Posts: 590
Likes: 0
As for gears, that isnt necessarily right. The gearing will be different between say a truck with 4.88's and a diesel. the diesel needs lower RPM, thus lower average gearing (if the same rears, then more transmission gears).
Besides, the torque gets the load moving. Im putting 575HP and 770 torque with my F250, and it will move off the line slower than my 7.3, simply cause we have to get it up to around 3500 RPM to reach a torque advantage. Either way as has been said here many times the basis for the HP equasion is torque. Without torque, you dont get horsepower.
Cargo Master
Joined: Jan 2005
Posts: 2,413
Likes: 11
You missed everything. Tell ya what the day you feel froggy and wanna put your money where your mouth is look me up. We'll give our trucks a good ol workout.
Cargo Master
Joined: Jan 2005
Posts: 2,413
Likes: 11
you need the torque to get the horsepower. the higher the powerband the more horsepower you will have.
As for gears, that isnt necessarily right. The gearing will be different between say a truck with 4.88's and a diesel. the diesel needs lower RPM, thus lower average gearing (if the same rears, then more transmission gears).
Besides, the torque gets the load moving. Im putting 575HP and 770 torque with my F250, and it will move off the line slower than my 7.3, simply cause we have to get it up to around 3500 RPM to reach a torque advantage. Either way as has been said here many times the basis for the HP equasion is torque. Without torque, you dont get horsepower.
As for gears, that isnt necessarily right. The gearing will be different between say a truck with 4.88's and a diesel. the diesel needs lower RPM, thus lower average gearing (if the same rears, then more transmission gears).
Besides, the torque gets the load moving. Im putting 575HP and 770 torque with my F250, and it will move off the line slower than my 7.3, simply cause we have to get it up to around 3500 RPM to reach a torque advantage. Either way as has been said here many times the basis for the HP equasion is torque. Without torque, you dont get horsepower.
I was not just talking about rearend gearing. 05s and up have the transmission with the same gearing no matter the engine. Prior to that the tranny I believe has shorter gearing. I'm not real sure though. The rpms with the gearing allows the gas engined truck blow by the diesel. Couple w/ that the boost lag and blah blah.
My point is tq doesn't win the race. If that where the case races would be on paper and not asphalt. Lol