Gas vs PSD
Thread Starter
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Modular motor junkie
Joined: May 2009
Posts: 6,190
Likes: 8
From: Texas
Well, typing between Mercedes forum and Ford forum there is huge difference in mentality.
While on Mercedes forum the mentality is "trust Mercedes engineers and buy only OEM parts" this forum sounds more "what do I have to do to make my Ford running right, what mods are the best and how many aftermarket suppliers have better parts than Ford dealer?"
Just my observation.
While on Mercedes forum the mentality is "trust Mercedes engineers and buy only OEM parts" this forum sounds more "what do I have to do to make my Ford running right, what mods are the best and how many aftermarket suppliers have better parts than Ford dealer?"
Just my observation.
There are a lot of things that Ford makes well, but the after market does better.
Maybe Mercedes just does not have the aftermarket support...
Postmaster
Joined: Apr 2006
Posts: 3,524
Likes: 2
From: CA Bay Area
It does. Whole ebay is flooded with aftermarket Mercedes parts.
However the choice is easy. Avoid them all.
Mercedes coolant for example is having 15 years life and even 30 years old cars still have original radiators.
However the choice is easy. Avoid them all.
Mercedes coolant for example is having 15 years life and even 30 years old cars still have original radiators.
Thread Starter
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Modular motor junkie
Joined: May 2009
Posts: 6,190
Likes: 8
From: Texas
The have less FW TQ, but they put more to the rear wheels do to the higher HP.
Oh, there is no way I could hang with a stoke if I tried to run in the same gear at the same RPMs as you. Try and run in O/D up hill towing in a V10 and its a dog. Same way you can't keep up running the same gear as me.
You don't have the RPM band.
Thread Starter
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Modular motor junkie
Joined: May 2009
Posts: 6,190
Likes: 8
From: Texas
I'm talking about better than stock stuff.
Our trucks are just fine stock, but if you want more then there is better out there. Ford can't make a truck the way everybody wants and for the majority the Superduty does not need anything better than stock to do what the owner wants.
Postmaster
Joined: Apr 2006
Posts: 3,524
Likes: 2
From: CA Bay Area
Well, every car made has poorly made chinese knock off parts on ebay.
I'm talking about better than stock stuff.
Our trucks are just fine stock, but if you want more then there is better out there. Ford can't make a truck the way everybody wants and for the majority the Superduty does not need anything better than stock to do what the owner wants.
I'm talking about better than stock stuff.
Our trucks are just fine stock, but if you want more then there is better out there. Ford can't make a truck the way everybody wants and for the majority the Superduty does not need anything better than stock to do what the owner wants.
My Superduty won't drive 10,000 miles without a need for some parts. Make it water pump, cooling reservoir, oil cooler orings or new differential.
I bought 27 years old Mercedes for my son last spring with 280,000 miles on it.
PO was relying on mechanics, so the car was a mess, but besides reconnecting some vacuum tubings and re-gluing the door panels all I spend to make the car running well was about $80 for new temp sensor and 6 orings for fuel delivery valves. My labor obviously.
Postmaster
Joined: Apr 2008
Posts: 4,724
Likes: 4
From: Rogersville, TN
My 7.3 F-250 has 217k miles and my 5.0 Bronco has 220k miles. The 250 has needed one axle seal and one valve spring retainer. The Bronco has needed a new power window switch, transmission and throttle position sensor. Not too bad considering what I put my trucks through.
Elder User
Joined: Dec 2009
Posts: 882
Likes: 0
From: Ohio
Wanna explain this in a bit more detail?
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Postmaster
Joined: Apr 2006
Posts: 3,524
Likes: 2
From: CA Bay Area
My 7.3 F-250 has 217k miles and my 5.0 Bronco has 220k miles. The 250 has needed one axle seal and one valve spring retainer. The Bronco has needed a new power window switch, transmission and throttle position sensor. Not too bad considering what I put my trucks through.
Reading this forum I am not the first one who went via fuel drain orings, oil cooler orings and coolant tank.
Sounds to me that you are driving time bomb
Good part those are small parts, but even I don't have to pay fortune to have them fixed at the shop, it gets annoying getting into the truck and wondering "what will go next?"
Senior User
Joined: Dec 2007
Posts: 287
Likes: 0
From: Calgary Alberta Canada
THAT'S the reason I chose a v10
I choose reliability over towing comfort, and a small increase in fuel mileage.
I'm truly happy for the diesel guys that have problem free psd's.
However, when I was truck shopping 2 months ago, I ended up with a gasser.
It CAN run with a diesel, it's not as enjoyable .
BUT I have no worries whatsoever about the engine.
I considered a 6.0 but I decided that I can't/won't afford to gamble.
I've had 2 idi's
a 12v cummins
and drove a 7.3 psd for a zillion miles.
Those were reliable and I look back at all of them with fondness.
I've had 2 5.4 v8's and now a v10.
EVERY one of them, diesel, and gas did the job very well. (the idi was a bit gutless)
Postmaster
Joined: Apr 2008
Posts: 4,724
Likes: 4
From: Rogersville, TN
My 7.3(250) is a 1997, my 5.0(Bronco) is a 1992 and my 5.4(250) is a 2000 model. The 5.4 is used primarily for towing, so ~80% of it's miles have been with a trailer hooked to it. The 7.3 is used for towing and driving on oil field roads. The 5.0 is used for driving on oil field roads. I also had to replace the driver's side ball joints on the 7.3. I have been nothing but pleased with all three of them.
Posting Guru
Joined: Mar 2008
Posts: 1,537
Likes: 0
From: Dongola, IL
They have more HP, therefore they have more power.
The have less FW TQ, but they put more to the rear wheels do to the higher HP.
Oh, there is no way I could hang with a stoke if I tried to run in the same gear at the same RPMs as you. Try and run in O/D up hill towing in a V10 and its a dog. Same way you can't keep up running the same gear as me.
You don't have the RPM band.
The have less FW TQ, but they put more to the rear wheels do to the higher HP.
Oh, there is no way I could hang with a stoke if I tried to run in the same gear at the same RPMs as you. Try and run in O/D up hill towing in a V10 and its a dog. Same way you can't keep up running the same gear as me.
You don't have the RPM band.
I will have approx 350 RWHP with the mods in my sig, and in that form will outrun a V10 easily, but will have very similar HP to the 3v v10. Care to explain?......
Postmaster
Joined: Apr 2006
Posts: 3,524
Likes: 2
From: CA Bay Area
My 7.3(250) is a 1997, my 5.0(Bronco) is a 1992 and my 5.4(250) is a 2000 model. The 5.4 is used primarily for towing, so ~80% of it's miles have been with a trailer hooked to it. The 7.3 is used for towing and driving on oil field roads. The 5.0 is used for driving on oil field roads. I also had to replace the driver's side ball joints on the 7.3. I have been nothing but pleased with all three of them.
He estimated that for every 2 hr of driving he did 1 hr of repairing.
He was nothing but pleased wit it.
Postmaster
Joined: Apr 2008
Posts: 4,724
Likes: 4
From: Rogersville, TN
If that is how mine was then it wouldn't be in my driveway very long. They have had the normal maintenance items (spark/glow plugs, filters, oil changes, air filters, brake pads, etc) but as far as stuff breaking I have virtually no problems at all.
Senior User
Joined: Dec 2007
Posts: 287
Likes: 0
From: Calgary Alberta Canada
They put as much or more TQ to the wheels because the gearing is multiplying it, not because of more HP. So, the diesel is more powerful as a motor, but once the gearing is added, it is possible for the v10 to keep pace.
I will have approx 350 RWHP with the mods in my sig, and in that form will outrun a V10 easily, but will have very similar HP to the 3v v10. Care to explain?......
I will have approx 350 RWHP with the mods in my sig, and in that form will outrun a V10 easily, but will have very similar HP to the 3v v10. Care to explain?......
Do you even know how hp is achieved? It's calculated.
Sure your engine can twist a crank harder, but not nearly as fast.
That's the advantage,
Diesel's twist harder,
Gasser's twist faster.
You use gearing on a diesel to allow you to reach highway speed.
It's simple, an engine with higher horsepower is capable of achieving more work.
Driver comfort aside, I prefer a diesel to tow heavy. imo it has superior towing characteristics.