Gas vs PSD
Thread Starter
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Modular motor junkie
Joined: May 2009
Posts: 6,190
Likes: 8
From: Texas
I wouldn't admit to mpg's in the single digits, so reps for being honest lol.
I was kind of bragging about getting close to 10 MPG at 17,000 in hills...
Laughing Gas
Joined: Mar 2009
Posts: 843
Likes: 6
From: Jessup, PA
... and your gas mileage is???
Postmaster
Joined: Apr 2008
Posts: 4,724
Likes: 4
From: Rogersville, TN
I have a mustang that is like your v10. I would put about 8 gallons in it, drive 15 miles to the track, get 6 runs in, drive 15 miles home and be almost empty lol. I figured it up one day and it was around 5-6 mpg when I ran it hard like that. A set of tires was lasting me about 300 miles, and with the gas I was burning through, I figured it was time to put her on the trailer
Fleet Mechanic
Joined: Jun 2006
Posts: 1,684
Likes: 2
My 550 will get 11 MPG at about 17,000#, @ 55 MPH (loaded with a car) it goes down about 1 MPG for every 5 mph over 55. At 65 MPH, it gets right at 9-9.3 with 4.88 gears. My 6.0 & 7.3 F450's both got 10-11 at 65 MPH, the 7.3 weighed 9900 (4.88's=10MPG) , and the 6.0 weighed 11,400 (4.30's=11 MPG). My 09 V10 weighs in at 13,640 empty.
Laughing Gas
Joined: Mar 2009
Posts: 843
Likes: 6
From: Jessup, PA
I found that 55 mph on the highway yields the best too. I've only done short trips on the highway and have relied on the computer for the highway gas mileage and it reads around 10.5 to 11. I don't expect it to be too much better than my city -- the aerodynamics of the dump body really sticks.
Thread Starter
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Modular motor junkie
Joined: May 2009
Posts: 6,190
Likes: 8
From: Texas
I have a mustang that is like your v10. I would put about 8 gallons in it, drive 15 miles to the track, get 6 runs in, drive 15 miles home and be almost empty lol. I figured it up one day and it was around 5-6 mpg when I ran it hard like that. A set of tires was lasting me about 300 miles, and with the gas I was burning through, I figured it was time to put her on the trailer
5-6 is pretty bad, I don't think my V10 could get that low with out idling or pulling a sled, etc.
Postmaster
Joined: Apr 2008
Posts: 4,724
Likes: 4
From: Rogersville, TN
If I drive it normally I can get about 15 mpg's out of it.
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Lead Driver
Joined: Dec 2006
Posts: 7,092
Likes: 145
From: San Diego, CA
Just my .02
Postmaster
Joined: Apr 2008
Posts: 4,724
Likes: 4
From: Rogersville, TN
By running great I mean it has never been in the shop or failed him in the two years he has had it. I think his poor mileage is just a result of his engine not warming up to operating temps so it can burn the fuel efficiently. I have a thunderbird turbo coupe that is like that. If I drive it to work(40 miles one way) I average 30 mpg's with it. If I let my wife drive it to work(2 miles one way) it only gets 17 mpg's. On her way to work 1.5 miles of it is downhill and she coasts, and it still gets that bad mileage. Same with her eclipse. We get 28 mpg's out of it when we take it on long trips, but she gets 18-20 driving it to work.
Lead Driver
Joined: Dec 2006
Posts: 7,092
Likes: 145
From: San Diego, CA
Sure you're mileage goes down with city driving. Running cold and having to stop/start that much weight takes extra fuel, but less than 10mpg overall is really low for a pre-DPF truck. My truck is mostly stock and was getting 15mpg overall with stock tires. I moved up to 285/75-16 size and went down to 13.5mpg overall. Most mornings I only let the engine run for 30 seconds before I pull out (don't want to bother the neighbors at 4am with my injectors firing).
I am no ASE certified mechanic, nor do I claim to be a professional of any kind, but less than 10mpg just sounds REALLY low for normal driving. The last time my fuel mileage dipped, I had a fuel leak from my bowl drain valve.
I am no ASE certified mechanic, nor do I claim to be a professional of any kind, but less than 10mpg just sounds REALLY low for normal driving. The last time my fuel mileage dipped, I had a fuel leak from my bowl drain valve.
Thread Starter
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Modular motor junkie
Joined: May 2009
Posts: 6,190
Likes: 8
From: Texas
Haha, I have been know to do that with old tires
So what motor/ trany combo does it have and what times does it run?
You are lucky living 15 miles from a drag strip, mine is a long drive.
Thread Starter
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Modular motor junkie
Joined: May 2009
Posts: 6,190
Likes: 8
From: Texas
A V10 has 600 pounds more payload than the PSD in the same truck.
That 600 pounds of ammo I can carry that you can't will make a world of difference.
Postmaster
Joined: Apr 2008
Posts: 4,724
Likes: 4
From: Rogersville, TN
Sure you're mileage goes down with city driving. Running cold and having to stop/start that much weight takes extra fuel, but less than 10mpg overall is really low for a pre-DPF truck. My truck is mostly stock and was getting 15mpg overall with stock tires. I moved up to 285/75-16 size and went down to 13.5mpg overall. Most mornings I only let the engine run for 30 seconds before I pull out (don't want to bother the neighbors at 4am with my injectors firing).
I am no ASE certified mechanic, nor do I claim to be a professional of any kind, but less than 10mpg just sounds REALLY low for normal driving. The last time my fuel mileage dipped, I had a fuel leak from my bowl drain valve.
I am no ASE certified mechanic, nor do I claim to be a professional of any kind, but less than 10mpg just sounds REALLY low for normal driving. The last time my fuel mileage dipped, I had a fuel leak from my bowl drain valve.
I don't know about my neighbors truck though. He just told me he was getting really bad mileage and I asked him if he had any CEL kick on or any lack of power, running bad, etc. He said it was running great, no problems, ford garage checked it and told him nothing was wrong, that he just wasn't getting it up to operating temps.
Postmaster
Joined: Apr 2008
Posts: 4,724
Likes: 4
From: Rogersville, TN
We have another track in Rogersville, but it is only 1/8th of a mile and it's pretty sorry. It's faster than Bristol, but there was a dip towards the end of the track that was so bad it bounced a guys car and flipped it about 3 or 4 years ago. They don't take safety too seriously there either, so the guy wasn't even wearing a seat belt and got thrown from the car.