Upgrades and Aftermarket - 99 & up 7.3L EngineUpgrading or adding OEM or aftermarket equipment to your 1999-Up Super Duty or Excursion with 7.3L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.
More information needed on vehicle and type of driving> I have also noticed a differance in MPG from state to state because of different additives used in the diesel. So your location might help also.
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2003 EXCURSION EDDIE B, 7.3 PS, 4" Magnaflow Turbo Back exhaust with International up-pipes. BD-Power X Monitor, AFE Stage 2 and Edge Evolution. 6.0L Trans Cooler. JVC DVD head unit with 6 Boston Pro series speakers, Rockford Fosgate 12" sub and amps. Oh ya, AC power for the Blender.
I have a 03 Ex. That is what we get around town. But we are on the San Francisco, California peninsula. That means a lot of hills. Up and down no matter where we go.
Are there any mods done to it yet? Before a suggestion as to what can be done to improve it a list of what has been done could be helpful. You might want to put a signature together for everyone's review.
See scrumn6guns and my signatures for examples.
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'03 Excursion, 7.3L, 4X4, Auto tranny of course (they all did), 4" MBRP exhaust, TS performance chip, K&N FIPK w/ an Amsoil EA filter, Hellwig anti-sway bar, drilled/slotted front & rear rotors. Rancho XL shocks, Rancho steering damper, Airlift 5000, S&S Diversified headlight mod. This baby surprises a lot of, so called, performance cars.
'04 F 350, extended cab, 6.0L, FX4, manual tranny, 4" MBRP exhaust, Bully Dog Triple Dog downloader w/ Outlook moniter (Very disappointed in the Bully Dog), 2m-70cm Yaesu ft-8500, S&S Diversified headlight mod.
'96 Mustang Cobra convertible, B&M short throw shifter, Koni adjustable shocks, viper chip, drilled/slotted rotors front and rear, rear sequential turn signals.
'11 Harley-Davidson Road King Classic 103 ci PowerPak w/ anti lock brakes & Smart Security system. It even has cruise control!!! Candy Dark Root Beer over Candy Light Root Beer Yaesu FTM-10R & a Comet CSB 790A
I average about 12 as well, I dont know what you have done but obviously my lift and tires dont help, plus I dont drive like an old lady and im guessin you dont either so that uses a lil more fuel but its totally worth beating young guys in a civic if I take long highway trips i can get up to 18 a gallon
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Ol' Red
2001 7.3l F250 CCSB, 8 inch lift, Custom drive shafts, 37" Toyo Open Country, Air Bags, On board compressor, 20" kmc xd revolver rims, 4 inch down pipe to 5 inch tip, Garrett GTP38r turbo, AFE stage 2 intake, 160cc injectors, FASS fuel pump, Pillar gauges. tugger shift kit by transgo, Built tranny, DP tuner f5 chip live tuned with 5 positions, deep tranny pan with cooling fins and auxilary filter, and the list goes on!
I get about 14 around town or highway, towing I get about 11 around down or highway. And that's with my lift and skinny 36" tires.
__________________ '02 F-350 "Babe The Big Blue Truck" 4x4, Ext. Cab, 8' bed, SRW
DP-Tuner 80T, Stage I single shots, ported compressor and 1.0 A/R turbine housings, coolant filter, 6637, DIY exhaust brake, openair CCV, propane, SBC DD all ceramic clutch, ISSPRO EV boost/pyro/HPOP pres./rear end temp, 4" lift, 255/70R22.5 tires, York air compressor, 16 flashy lights, 12 strobes, 12 switches on console, 9 switches on the dash, 7 two-way radios, 5 air horns, laptop, siren, 105 gal. in-bed fuel tank, Kennesaw Mountain front bumper
'86 H-D Sportster - 16" apes on 4" risers, 4 gal tank, custom paint, custom pipes to fishtails, single fire ignition, Accell wires, mid '90s Harley leather saddle bags on custom brackets, bagger fender, solo seat, home made luggage rack, all LED rear lights
'66 Bronco "Big Little Monster" - 5.0L EFI, AOD, 3.5" lift, 3" body lift, 35" BFGs, Lock-Rite front, mini spool rear, disk brakes, Warn Hubs
I get about 14 around town or highway, towing I get about 11 around down or highway. And that's with my lift and skinny 36" tires.
Not any freeways on the island so mostly 45mph with some stop signs and hills. Average about 14 mpg with occassional trailer tows in the superduty. Average closer to 18 mpg with the 6.9 but it is a couple thousand pounds lighter.
We get about 12mpg around town - that's flat land at 40-45 mph speed limits with several stop lights and signs. We just got back from a several hundred mile round trip through the desert and mountains and averaged 16.5 mpg.
That's the best I've seen from this Excursion. Was hoping for better when I bought it, but love it none the less!!
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Michael '00 7.3 4x4 eXcursion 67K Miles - 2000+ Miles on WATF
Mine since 07/02/09 at 53.5K Miles - Autometer Gauges (EGT, Trans Temp, Boost, Air Pres.) - AIS (Ford Severe Duty) - BFG AT Tires (285/75 R16 BFG AT Load range 'E') - Harpoon Mod - ITP 7.3L Fuel Tank / Pre-Pump Kit (aka Hutch Mod) - On Board Air (Extreme Aire w/ 11 Gal. Tank) - Diamond Eye 4” Turbo Back Exhaust - 6.0 Trans Cooler - 2009 Side Mirrors - Modified B Codes - 30mm Rear Sway Bar - DPTuner F5 (Stock, Hi Idle, 60 Tow, 80 Econ, 120) - 203*Therm - DIY Coolant filter - ELC Coolant - Cryo powerslots & Hawk pads all around - SS Brake lines - AIH Delete.
I get around 14 city and between 17 -18 on the highway..... Where you are at is important, I don't know for sure (I live in FLA.) but the northern states might be switching over to winter blend fuel, which reduces MPG.
__________________ I have a philosophy? Who knew. Ok, where's the beer?
2002 F-250 XLT CC SB\HPX\ITP prepump mod\Harpoon\DI 65psi fuel shim\4" SS turbo back Magnaflow\Fumoto\FTVB\Edge Evolution2\Zoodad\2008 Diff cover\V-10 Transmission cooler
I get 19 overall mixed city and hwy in the winter and 20 MPG mixed city/highway in the summer. That mileage is with a bone stock truck, easy driving style, no lift or oversized tires with the 6 speed manual trans. I believe the auto trucks get slightly less MPG than than a properly driven 6 speed manual. Autos absorb a bit more energy through the trans than a manual.
However, I just installed an Edge Evolution which should boost those MPG numbers conservatively to at least 1 MPG higher given the same style of driving.
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2000 F-350 7.3 2WD 6 SPD XTRA CAB. 3.73 Limited Slip. Edge, ITP in tank w/filter, EBPV delete, CCV, dirt cheap Wal-Mart seat covers
2005 TDI Jetta GLS 5 SPD
1971 K5 Blazer 350 w/350 auto trans.
1972 GMC Jimmy 400 CID w/3 speed man trans, 3.73
1967 Mustang coupe, 289 CID, 4 speed manual.
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Yaesu FTM-10R & a Comet CSB 790A
if I take long highway trips i can get up to 18 a gallon
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