1999 Superduty f350 Wrecker mods for better MPG - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 6 (permalink) Old 03-18-2014, 09:41 PM Thread Starter
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1999 Superduty f350 Wrecker mods for better MPG

Hey guys I have a 1999 crew cab Superduty 120k with a century 412 twin line wrecker bed I'm not sure what it weights. I'd say 13-14k the truck is getting around 10mpg is there anything I can do to get the mileage up a bit? The truck has a chip in the ecu I'm not sure what it is That's just what the previous owner had told me. The truck also has a straight 4in exhaust and DP.

So long story short. Will a 6 pos chip and intake help me out? What about checking any of the sensors or?? The truck starts great and runs good. No smoke or haze. Any input would be great!!

TIA!!

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post #2 of 6 (permalink) Old 03-18-2014, 11:16 PM Thread Starter
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Re: 1999 Superduty f350 Wrecker mods for better MPG

Ebps sensor and tube are good and clean as well.

2010 CCSB Afe Intake and dual exhaust
2006 CCLB F-250 Studs,Squeez,EGR delete,RR to AirDog II and a Airraid Intake & Sct Hot tunes *SOLD*
1963 Chevy Nova II 88mm turbo 408 LSX backhalved and tubbed 9.22 @ 145 @ 5000ft BUILT NOT BOUGHT!
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02 Cummins ECSB 5 spd,250s,edge comp 64 over a s475.. Work Truck
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post #3 of 6 (permalink) Old 03-19-2014, 04:17 AM
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Re: 1999 Superduty f350 Wrecker mods for better MPG

Short anwer is a new tunned chip will be better.
ie safer lower heat tunes that are more efficient.

But weight and gears can be killers.

Clean filters.clean ebpv tube and no boost leaks will get you the best gains.

Early 99 f350 4x4 crew cab, auto. pmt2 pcm
2001 cup holder ,T500, MAX AC ASSIST AC mod, Diy Twin tymar, TS chip, Powerslots & Hawk pads, ford AIC, ..... with big fat want to list.
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post #4 of 6 (permalink) Old 03-19-2014, 04:43 AM
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Re: 1999 Superduty f350 Wrecker mods for better MPG

Is this a F-350, 450 or 550? Some of these trucks have killer rear gearing.
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post #5 of 6 (permalink) Old 03-19-2014, 07:08 AM Thread Starter
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Re: 1999 Superduty f350 Wrecker mods for better MPG

The truck has 4.10s. I might order me a chip and see what happens. I just don't want to tear anything up! I work the truck everyday. There's some ts chips on eBay new with tunes for like 215. What tunes get the best mpg?

2010 CCSB Afe Intake and dual exhaust
2006 CCLB F-250 Studs,Squeez,EGR delete,RR to AirDog II and a Airraid Intake & Sct Hot tunes *SOLD*
1963 Chevy Nova II 88mm turbo 408 LSX backhalved and tubbed 9.22 @ 145 @ 5000ft BUILT NOT BOUGHT!
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02 Cummins ECSB 5 spd,250s,edge comp 64 over a s475.. Work Truck
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post #6 of 6 (permalink) Old 03-19-2014, 05:30 PM
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Re: 1999 Superduty f350 Wrecker mods for better MPG

One tuned by..php..gearhead..dp.di.swamps etc.

Ts tunes are almoat ok but horrible tranny shifts..
i am talking hey what honda rearended me bang.

Early 99 f350 4x4 crew cab, auto. pmt2 pcm
2001 cup holder ,T500, MAX AC ASSIST AC mod, Diy Twin tymar, TS chip, Powerslots & Hawk pads, ford AIC, ..... with big fat want to list.
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