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Discussion Starter #1
99 f350 7.3 I just got it :woot:...What can I do to get the best mileage. Right now it's getting 16-17 around town and 20-21 on highway .......What chip should I get to add more power and fuel mileage. Also its got a BD exhaust retarder ..will that hurt the truck or is it OK? :dunno:
 

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Ole White
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WELCOME TO ORG ! ! ! and for the 7.3 go with a DP-Tuner or Tony Wildman(Total Diesel Performance) with custom tunes thats as good as it gets for the 7.3's
 

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PMR = JUNK
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99 f350 7.3 I just got it :woot:...What can I do to get the best mileage. Right now it's getting 16-17 around town and 20-21 on highway .......What chip should I get to add more power and fuel mileage. Also its got a BD exhaust retarder ..will that hurt the truck or is it OK? :dunno:
I don't wanna hijack, but how are you driving it to get 20-21 hwy, i get like 16 or 17
 

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Discussion Starter #4
cruise control ...dont really know I put it on cruise control on the high way i've yet to burn a full tank yet but so far it seems good...we'll see what the end result is when I have to refuel.
 

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welcome to the org. happy hunting.

caryt, how do you like the stealth and fuel mods.
 

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look at running full synthetic in all your drivetrain. this will help your mileage a little
 
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