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Old 07-06-2012, 02:59 PM   #61
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Ford SD 7.3 Diesel Mileage.


The 4R100's can be a little fickle. Got three 7.3's a 99 F250, 99 F350 dually, and a 00 Excursion.

The F250 had the original tranny go out at 83K miles, and then the $2,000 Ford rebuilt went out at 252K miles. Current mileage 312K.

The F350 is still running it's original tranny at 225K miles, tows A LOT. The fluid is way past it's life now and when the tranny gets above 190 it slips a little starting out, gotta get it in the shop soon.

The Excursion is also running it's original tranny at 235K miles.

All three have additional tranny coolers and in line tranny filters. The F250 has three tranny coolers! I feel the motor is too strong for the auto tranny.

All three run on Amsoil oil which is the best oil you can buy. They go 25,000 miles between changes. They will all by years end be running on Amsoil tranny fluid too. They currently have Mobile1 tranny fluid.

The F250 and F350 run in Michelins. The F250's are the all terrain while the F350 dually is the highway tire. Ready to put Michelins on the Excursion just not sure if it's going to have the AT's or regular MS2's. The size will be 285/75/16's.

You really can't get a better tire than Michelin... They aren't cheap either, luckily a good friends wife is a manager of a large Ford dealership and get excellent pricing. The 6 tires on the dually were $880 out the door and the 4 tires on the F250 were 285/75/16's were $950. At the time of purchases the average price was $1250-1350.

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Old 07-06-2012, 03:08 PM   #62
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Ford SD 7.3 Diesel Mileage.


Also,
Mileage for the three is,
99 F250 16-18 mpg
99 F350 10-12 mpg (OUCH) But it can tow..
00 Excursion 17-20 mpg

In the Winter up here in MN mileage goes down a couple mpg's due to Winter blend fuel and idle time.

Met with a customer yesterday who's getting 21 mpg during regen and 22 mpg normal driving with his 2011 Ford Powerstroke, crew cab long bed 4x4, not a little truck!
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Old 07-06-2012, 05:54 PM   #63
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Ford SD 7.3 Diesel Mileage.


That 2011 is the new 6.7 Scorpion diesel if I'm not mistaken, built by Ford themselves. The 7.3 was built by International who build and specialize in nothing but diesel motors, mainly industrial diesel motors before approached by Ford. Owning three I'm sure you knew that.

The 6.7 delivers more power than the 7.3, gets better fuel mileage as well as has a much better emissions system, almost if not at all any black smoke.

The thing about the 7.3 is it's tried and true. These other motors not so much. The 6.0 which came directly after the 7.3 in 2004 has serious flaws, such as brand new off the showroom floor overheating and cracking heads type issues (major lawsuits and Ford buy backs ensued, costing Ford millions so fuel mileage is the least of anyone's concerns with that thing ), the 6.4 after the 6.0 was better but I've not really studied much on it, can't say as I don't know and don't care to know as I'll never own one. And now the 6.7 Scorpion which many people so far love. It's got a big name to live up to being the predecessor of the 7.3. Only time will tell as when it comes to diesels it's reliability that trumps all. None of these new 6.7's have hundreds of thousands of miles on them yet, too new.

I can put a chip in my truck and instantly receive an increase of 140 hp, reconfiguring the ICM I believe it is WHILE increasing fuel economy. Right now I get about 18-20 highway, stock, and the truck has far too much power as it is. I'm sure you knew that as well.

Last edited by Doc Holliday; 07-06-2012 at 05:57 PM.
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Old 07-06-2012, 06:21 PM   #64
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Ford SD 7.3 Diesel Mileage.


The new 6.7 is nice. I am a diesel tech at a large ford dealer. We have a few customers with over a 100,000 miles already with no problems. They had issues with the new exhaust fluid system. Bad programming burning out the NOx sensors but have that fixed with a reflash of the pcm. We have seen very few other issues. So far looks very good.
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Old 07-06-2012, 06:28 PM   #65
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Ford SD 7.3 Diesel Mileage.


"Oh yeah baby, talk diesel to me!"

A few months back I was at a customer's home before I got my diesel, before I really knew anything about any of them. She had a brand new F250 with what she said was the new motor, now I know she meant the 6.7.

Prior to asking I had no idea it was a diesel, quiet as a mouse.
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Old 07-06-2012, 06:35 PM   #66
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Ford SD 7.3 Diesel Mileage.


Yes they seem to get quieter in the cab the faster you go. You think your doing 60 and look down and your at 90! Wish I had an extra 50 grand laying around!
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Old 07-06-2012, 06:44 PM   #67
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Ford SD 7.3 Diesel Mileage.


No employee discount?
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Old 07-06-2012, 06:48 PM   #68
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Ford SD 7.3 Diesel Mileage.


They have what's called the D-plan from ford. It usually only saves you what you would pay in license and registration but every bit helps. With two kids in daycare a new truck payment is out
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Old 10-04-2012, 10:08 AM   #69
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Ford SD 7.3 Diesel Mileage.


17-19 mpg

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