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Ford Excursion Forums > Ford Excursion V8, V10, and Powerstroke > Powerstroke Excursions
How about a chip/controller to increase MPG ?? I'd love to see my 7.3 get 25mpg solo on the highway..........
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Godfather
• Sea Cliff, Long Island, NY, USA
• Registered on 4/13/2003
• 53 posts
Posted:11/19/2006 23:14
Here's something I'd LOVE to see and would buy it right away. It's great that Diablo etc makes a controller to add 40 or 80 horsepower with a " a flick of a switch".
How about an additional setting that would make the controller/chip pay for itself ? An economy setting would be great for those times when we're not towing, have a minimal load and all we want is a nice steady 65 or 70 mph cruise with an extra 2 or maybe 5 mpg?
Is this possible? I'm sure Ford has the fuel/boost/injection duration all set so the Powerstroke can tow it's max quoted load. The capability to overide that and save on diesel would be terrific. Of course, I would switch back to the stock setting for towing or hilly country but a lot of my solo driving is on flat ground and 65mph. The best mpg I usually get is 21 - I'd go nuts over 23 or more.
How about the rest of you Powerstroke Excursion guys???

I know t the old Chevy Suburbans with the Detroit diesels could get around the 25 mark. Tthe brick-like aerodynamics are the same as our Excursions so that's not the limiting factor. Part of the better economy is due to the early non-turbo diesels not making anywhere near as much power and yeah, they were dogs as far as power. I have a feeling an '02 7.3 Exc 4wd like mine has to be able to eke out a couple more mpg with programming mods. Whatta' ya' think guys????
CHPMustang
• Plano, TX, USA
• Registered on 7/24/2002
• 1,800 posts
1
Posted:11/20/2006 09:54
You're not going to be able to acheive great higher numbers alone with a programmer.

I suggest an aftermarket 4" exhaust system,an upgraded air intake system such as an AFE stage II or a Tymar style intake which will set you back $20-$50. There's various affordable coolant/fuel/air modifications that can be done as well in your driveway.



Bill
2002 Excursion XLT-P 4x4 7.3L Powerstroke Diesel




edited 11/20/2006 09:54
E. Long  
Subscriber
Subscriber since 1/1/2001
• Atlanta, GA, USA
• Registered on 1/23/2001
• 2,229 posts
1
Posted:11/21/2006 07:31
A gear swap would also be necessary, to further drop RPMs. The fact that you have 4x4 is working against you as well. A 2WD Excursion will fair better for the MPG game. Skinnier tires as well.

-Eric

'67 Galaxie 500 - 390 FE, .030" over, FE to AOD adapter, disc brake conversion. The Daily Driver.
'00 Excursion - 7.3L PSD, LANDYOT Gen-II Radius Rods, Factory Tech Valve Body, 200K+ miles and going
kiarasue
• Enumclaw, WA, USA
• Registered on 9/27/2005
• 81 posts
Posted:11/26/2006 16:43
I've made mass mods that have produced performance but the fuel mileage is gained for me by lighter shoes and for shure gearing. I have perfected my converter lock with a micro switch on the brake peddle. With the rpm's kept low I have seen 1.8 mpg. For me it is all about the right foot, can't help myself.
Ford Excursion Forums > Ford Excursion V8, V10, and Powerstroke > Powerstroke Excursions
How about a chip/controller to increase MPG ?? I'd love to see my 7.3 get 25mpg solo on the highway..........
Thread Statistics:     Users to Post: 4   |   Total Posts: 4   |   Total Views: 1737
You must be logged in to post in or subscribe to this thread.Pages: 1