Just Bought this 2002 Limited Excursion - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 05-28-2013, 07:55 PM Thread Starter
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Just Bought this 2002 Limited Excursion

I just bought this 02 EX 7.3L, one owner it has 194k on it completely Stock, everything works I just put the wheels on it, what things can I do to improve fuel mileage, performance. What kind of mileage can I expect of it before I put the wheels on it I was getting 16.5mpg buy what the computer said it has drop sense I put the bigger tires on it. any advise would be great

thank you
Jacob
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post #2 of 11 Old 05-29-2013, 03:56 AM
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I have almost the exact same Ex as you. I was averaging 14.8 mpg stock. I did the dyi air intake, muffler delete, and the TS chip and now I'm averaging 18.5 mpg. And with the chip on the 140HP setting the Ex freaking hauls the mail for a big SUV.

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post #3 of 11 Old 05-29-2013, 10:32 AM Thread Starter
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Originally Posted by Jay3 View Post
I have almost the exact same Ex as you. I was averaging 14.8 mpg stock. I did the dyi air intake, muffler delete, and the TS chip and now I'm averaging 18.5 mpg. And with the chip on the 140HP setting the Ex freaking hauls the mail for a big SUV.

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Did you just cut out the muffler out and put a piece of pipe in its place?
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post #4 of 11 Old 05-29-2013, 10:55 AM
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Did you just cut out the muffler out and put a piece of pipe in its place?
Yep, sure did. The stock piping is right about 3 1/2 inch diameter.
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post #5 of 11 Old 05-29-2013, 04:59 PM
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Congrats on the purchase! Check all your boots, boost leaks can kill your mpg.

--7.3
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post #6 of 11 Old 05-29-2013, 05:31 PM Thread Starter
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Congrats on the purchase! Check all your boots, boost leaks can kill your mpg.
That was one of the first thing I did, the driver side was off, I fixed that, now there are no leaks. Thanks for the advise tho, any other would be great. I just hope I have better luck with the 7.3 then I did with my last 6.0 nightmare.
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post #7 of 11 Old 05-29-2013, 08:22 PM
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you guys getting 18.5 average don't have 4x4 huh? i average 14.5 4x4 with banks kit
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post #8 of 11 Old 05-30-2013, 01:56 AM
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you guys getting 18.5 average don't have 4x4 huh? i average 14.5 4x4 with banks kit
Mine is a 4x4 with 285 tires. I rarely ever get on it, your driving style is one of the biggest factors when it comes to fuel economy.
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post #9 of 11 Old 05-30-2013, 01:52 PM
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I've never been able to get better than about 14.5mpg mixed city & highway, light foot. I have AFE intake, muffler cut out & dumped. Checked for leaks,exhaust back pressure tube cleaned,trans fluid clean red/pink, no up pipe leaks, checked boost pressure sensor & a bunch of other small odds & ends. Tires 285 @ correct tire pressures. I need to put all highway on to see if mine improves. I have heard of others getting almost 20. The buddy I bought my EX from was getting close to 20 with the stock intake, he put the AFE in & it dropped. I get 12.5-13mpg towing 10k which I think is respectable.

2000 Ford Excursion Limited 4x4 Diesel
2007 Jeep Wrangler unlimited on 1 tons & with 41.5" Pitbull Rockers
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post #10 of 11 Old 05-30-2013, 02:51 PM
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Nice looking Ex !!!!

Jay
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