Gas vs PSD
Elder User
Joined: Apr 2009
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From: Spokane, WA
LOL, not insinuating anything, though you sound bitter... you can argue things about the 6.0, but you are not going to say the v10 comes close to the 6.0 in mileage.
Postmaster
Joined: Oct 2006
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From: SE Texas
JL
Elder User
Joined: Jan 2009
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From: Melissa TX
Wouldn't you be bitter too if you made a mistake and bought a v-10? And he will come up with any excuse or so call fact saying his v-10 is better then your 6.0 in every way.
Thread Starter
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Modular motor junkie
Joined: May 2009
Posts: 6,190
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From: Texas
I "borrowed" my truck for 2 days before I bought it and if it was getting 12 driving down the road, I would have avoided it. Of course, most of my driving is longer distance, on fairly flat ground as the mountains are on my left heading North. BTW, my 6.4 gets the same mileage sitting at a traffic light as the newest Toyota Prius model.
I finally drove a 7.3 yesterday to pick up lunch as I had a 16' trailer behind mine with a broken landing leg. Sorry to all the 7.3 owners, but if yours is stock, don't try and come after a 6.4. You'll get embarrassed. To those who have never driven a 6.4 and think it's like a 7.3, or has the same power or less, you really need to drive one...Then this thread would die, or get renamed the 7.3PSD vs V10 thread.
I finally drove a 7.3 yesterday to pick up lunch as I had a 16' trailer behind mine with a broken landing leg. Sorry to all the 7.3 owners, but if yours is stock, don't try and come after a 6.4. You'll get embarrassed. To those who have never driven a 6.4 and think it's like a 7.3, or has the same power or less, you really need to drive one...Then this thread would die, or get renamed the 7.3PSD vs V10 thread.
I also know that the 3V V10 is nothing like my 2V.
Posting Guru
Joined: Aug 2008
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From: Sunny, Snowy, CO
However, the standard board logic dictates that a 7.3 and a 6.4 are both diesel, therefore, they must be the same...(but they're not even close)
Postmaster
Joined: Apr 2008
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From: Rogersville, TN
lol...I went from a 2V 5.4 to a 3V 5.4 in F150's and there's not a whole lot of difference...Hell, none that you could feel...
However, the standard board logic dictates that a 7.3 and a 6.4 are both diesel, therefore, they must be the same...(but they're not even close)
However, the standard board logic dictates that a 7.3 and a 6.4 are both diesel, therefore, they must be the same...(but they're not even close)
I don't think anyone on here has argued that a 7.3 is even in the same ballpark as a 6.4 when it comes to power.
Elder User
Joined: May 2010
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From: WV
I "borrowed" my truck for 2 days before I bought it and if it was getting 12 driving down the road, I would have avoided it. Of course, most of my driving is longer distance, on fairly flat ground as the mountains are on my left heading North. BTW, my 6.4 gets the same mileage sitting at a traffic light as the newest Toyota Prius model.
As for a truck getting 12 mpg, it doesn't bother me. We've already mentioned, I drive 4.5 miles one way, 9 miles round trip per day. It makes that 9 mpg that get really easy to figure out how much gas I use
But really, the difference between 10-12 mpg and 15-17 isn't that big of a deal to me 
Let not forget we are driving trucks that are close to 4 tons, it's not like I was expecting to get 40 mpg and got 5.I finally drove a 7.3 yesterday to pick up lunch as I had a 16' trailer behind mine with a broken landing leg. Sorry to all the 7.3 owners, but if yours is stock, don't try and come after a 6.4. You'll get embarrassed. To those who have never driven a 6.4 and think it's like a 7.3, or has the same power or less, you really need to drive one...Then this thread would die, or get renamed the 7.3PSD vs V10 thread.
Lead Driver
Joined: Jul 2007
Posts: 7,868
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From: Rhode Island
Actually from what I've seen, 6.4 reliability goes up with tuning, as you delete troublesome emissions components.
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Elder User
Joined: May 2010
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From: WV
lol...I went from a 2V 5.4 to a 3V 5.4 in F150's and there's not a whole lot of difference...Hell, none that you could feel...
However, the standard board logic dictates that a 7.3 and a 6.4 are both diesel, therefore, they must be the same...(but they're not even close)
However, the standard board logic dictates that a 7.3 and a 6.4 are both diesel, therefore, they must be the same...(but they're not even close)
I had many 3V 5.4's in F150's with the 4 speed tranny, and my buddy's 3V 4.6 with a 6 speed would blow them away. I had 4.10 and he has 3.55 too.
Elder User
Joined: May 2010
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From: WV
true, I was referring to engine tuning though (electronic plug in tuners). But your point is very true.
Elder User
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From: WV
Below 4k rpm there isn't any difference between the 2v and 3v(the 2v actually makes more low end power). Above 4k rpm and they aren't even close. It's just hard to convince a diesel guy that holding one at 4-5k rpm up an 8-10 mile climb is not going to blow anything up and that turning 4k rpm doesn't mean an engine is weak.
I don't think anyone on here has argued that a 7.3 is even in the same ballpark as a 6.4 when it comes to power.
I don't think anyone on here has argued that a 7.3 is even in the same ballpark as a 6.4 when it comes to power.
Posting Guru
Joined: Aug 2008
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From: Sunny, Snowy, CO
But I'm getting 18mpg, so that's a lot better than 10-15...There's another thread that covers the 6.4 now, and there are several of us in the 16-18mpg range, so it's not a fluke...Air the tires up to 70 (max is 80) and keep up with traffic...
Posting Guru
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From: Sunny, Snowy, CO
I go up a big-*** mountain all the time, and the V10's are in the truck lane half the time just because they don't want to use 1/2 a tank of gas getting to the top at redline.
Elder User
Joined: May 2010
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From: WV
My buddy get 12 mpg. And the guys that live in my apartment complex get about the same with their 6.4's, so it's no fluke either. I have no doubt that under different conditions they could get 16-18 mpg, just not here with these roads, in this traffic.
Elder User
Joined: May 2010
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From: WV
You don't think you're using more fuel going up the mountain? The more boost you use, the more fuel you use too.