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post #1 of 8 (permalink) Old 05-17-2010, 05:15 AM Thread Starter
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my mpg experiment

So about a month or so ago I bought a 2000 Excursion with a 7.3. I drove it a couple weeks to get a feel for it. I averaged 16.4 mpg on a trip I take often. I added Airaid intake, 4 inch turbo back exhaust with a shorty Aero muffler and a set of factory 20s with 275/65-20 stock tires. I took the same trip this weekend and averaged 19.9 mpg. I didnt use the cruise, and did some hypermiling techniques. Im hoping with a little more practice I can get 22 out of it.....

If I add a ZF6 tranny to it, what kind of gains you think I could see...
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post #2 of 8 (permalink) Old 05-17-2010, 05:16 PM
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Re: my mpg experiment

Zf6 will mostly give you gains by allowing you to drive it more efficiently, so it could vary greatly how well you'll do.
Are those figures hand calculated?

Dan
96 Powerstroke: 6637, downpipe to dump exhaust, 140v IDM and a shift kit.

84 Honda Sabre V65 1100: pipes, jet kit and new tires. Faster than I think I'll ever need.
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post #3 of 8 (permalink) Old 05-17-2010, 07:52 PM
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Re: my mpg experiment

My guess is you'll pick up 2-3 MPG plus the fact that coasting is a lot more effective with a stick.

2000 F-350 SC 4x2 6 speed
3.08 gears Gear Vendor Overdrive
Slammed 4"
Rugged Air Dam
315,000 miles
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post #4 of 8 (permalink) Old 05-18-2010, 01:40 AM Thread Starter
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Re: my mpg experiment

Quote:
Originally Posted by secondarychaos View Post
Zf6 will mostly give you gains by allowing you to drive it more efficiently, so it could vary greatly how well you'll do.
Are those figures hand calculated?
yes hand calculated. I want to do the 6 speed swap, I have access to everything needed... just hate to cut a hole in the floor of my EX
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post #5 of 8 (permalink) Old 05-18-2010, 03:02 AM
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Re: my mpg experiment

You can always patch a hole. Its just sheetmetal.

2000 F-350 SC 4x2 6 speed
3.08 gears Gear Vendor Overdrive
Slammed 4"
Rugged Air Dam
315,000 miles
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post #6 of 8 (permalink) Old 05-18-2010, 03:04 AM
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Re: my mpg experiment

yup. do it. lots of info in the trans section and the engine/trans swap section.

Dan
96 Powerstroke: 6637, downpipe to dump exhaust, 140v IDM and a shift kit.

84 Honda Sabre V65 1100: pipes, jet kit and new tires. Faster than I think I'll ever need.
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post #7 of 8 (permalink) Old 05-18-2010, 12:12 PM
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Re: my mpg experiment

Big Stroker just finished a convert on his SD send hima PM as he took some good pictures and what not.

The X can get some decent MPG on highway cruising and overall. I find it funny it has such a bad rap for mph but that os from the gassers with thre singel digit city numbers when run hard. The diesels getsbetter mpg than most all of the small based foriegn pickups and most all SUVs from that time an many today.

If you have not take the cross beams off the roof rack. They are not useable wear the paint off the roof and likely don't do much for wind resistance. For coasting I would think you could wire up a converter lock unlock switch you can get a lot more out of coasting or shifting to N not always a good idea but effective. I live in the mountains and on certain grades they are perfect for it as other traffic is almost nonexistant. Can go over 4 miles without touching the go pedal.

I get about 18 combined driving and 21 highway 17 all city. [email protected] tunes added about 1.5-2 mpg to my mpg. Also it needs to be realized my highway or city driving is not like that of Tx Fl as it is quite hilly with very little if any completely flat areas. Becasue of this I found driving 68-69 actually gives me better mpg as I am in a better part of the curve for the hills. But when I get near DC and head down 95 south best mpg is 55-60 I usually run 65. There I am thinking I can get closer to 23 but have not run it since the chip. Would love to run on some really flat areas like alot of I 10 from Ga -Tx or FL highways.

All my mileage is calculated by hand . Fill up goto clear fuel up to edge of the mouth. Takes a bit to constantly wait on the foam to back down.
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post #8 of 8 (permalink) Old 05-18-2010, 12:53 PM
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Re: my mpg experiment

We used to get right at the 19-20 mpg on the highway in our 03 ex. but lately ibe been averageing 13-14 used to average 16-17. I just changed the oil and that didnt help, Ive got an ICP sensor to put in now to see if that helps ( it was seaping anyway).

2003 Exursion 7.3 diesel exhaust, intake, ts chip, banks exhaust housing, big head actuator all sittin on 20s w/ 35s.
1989 F350 460 propane, 4inch lift 39.5s
1988 bronco ii 2.3 turbo motor on propane
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