6.4 fifth wheel hauler - Ford Powerstroke Diesel Forum

 
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post #1 of 10 Old 04-16-2012, 02:45 PM Thread Starter
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Smile 6.4 fifth wheel hauler

Well guys, I went and did it. I bought an 08 f350 crew 4x4 dually with the 6.4 with 44,000 miles to pull my fifth wheel camper.
I know the mileage sucks on these trucks and am not real concerned about it. I only plan on putting about 5000 miles a year on the rig.
Are there any mods that I should consider to pull my 34' fifth wheel?
Exhaust, chips, programmers, cold air, etc.
I own a 03 7.3 liter that I can't seem to keep a trans in (edge CTS related) and don't want to make the same mistakes with this dually. Bone stock on the 6.4 might be just fine but am looking for any and all suggestions from you guys!
Please don't let me make the same mistake twice, my pockets are not that deep!!!!
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post #2 of 10 Old 04-16-2012, 03:16 PM
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I have the same truck, bought for the same reason. What I've done in the name of making it a better tow beast is DPF/ DOC delete, Spartan tuner, EGR delete, CCV mod, mag-hytec trans pan and rear air bags. Depending on the pin weight of the trailer you may not need the air bags (pin weight on mine is 3200 dry, so the bags help keep it level).
Tuner selection is personal preference but get one that has DPF and EGR removal capability ( by far the two most popular are Spartan and H&S). Getting rid of the DPF and the EGR systems are the most important, IMHO, for tow rig reliability.
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post #3 of 10 Old 04-16-2012, 03:19 PM
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Hes got it pretty well down

2005 F250 King Ranch Work Truck.

Studded and Deleted
175/30% Injectors from WARREN DIESEL!!
Barder Stage 2 Turbo
Warren Comp Tranny w/ PI TC
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post #4 of 10 Old 04-16-2012, 03:25 PM Thread Starter
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Camper weighs in at 11,400 empty and has 1900 lbs pin weight. I just put Firestone bags on my 7.3 but since that is going to be my everyday driver, I might put them on the dually just because.
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post #5 of 10 Old 04-16-2012, 03:27 PM Thread Starter
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Have you had ANY issues with your mods? I want this to be a dependable tow rig but wouldn't mind making some rice burners turn there head every now and then!!!
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post #6 of 10 Old 04-16-2012, 04:50 PM
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The only issue I've had was with a closed loop CCV mod that I bought. Caused me a turbo rebuild . I've since made a better one myself and got rid of the one I bought that was made out of PVC pipe and plastic pot scrubbers. The CCV mod is worthwhile and if you can stand the smell it’s easier /cheaper to just vent to atmosphere. But the importance of the CCV mod is minor compared to getting rid of the DPF and EGR systems.
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post #7 of 10 Old 04-16-2012, 08:32 PM
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You can see in my signature what I have done to mine to pull a 15,000# 5er around and to hopefully have no issues with it in the future, good luck have fun.

2008 F350 CC SRW, 4X4/LB
Spartan Tuned/Spartan TCM
1722 Elite Head Studs/ChromeMoly pushrods
Bullet Proof 1/2 oil cooler kit
4" Down Pipe/4" DPF/Cat Delete
Diamond Eye 5" DPF back/5" Areo Turbine Muffler
3" CAI/inter cooler
S&B-CAI
CCV mod w/catchcan
Big Wig Sway Bars
PMF Traction bars
Icon 2.5 front coil springs
Bilstein shocks/Top Gunz dual stabilizer w/Bilsteins
Airlift/remote airbags






Viper 5701 w/SmartStart
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post #8 of 10 Old 01-14-2013, 02:13 PM Thread Starter
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Still looking for any and all suggestions. I don't want to do anything internal or crazy, just bolt on and go stuff. Like I said, this truck is for only pulling my fifth wheel. We pulled 1500 miles one way to Glenwood Springs Colorado last September to do an elk hunt (no luck) and averaged about 7mpg. Did your mods help pulling and mileage?
Thanks for the input guys.
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post #9 of 10 Old 01-14-2013, 02:44 PM
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General 6.4 Modifications

This will have all the info that you should need.

08 F350 JOB 1
H&S MINI MAXX HD300 W/S1M
SINISTER EGR/COOLER DELETE
6000K BEAMERS HID HEAD & FOGLIGHTS
KMC XD WHEELS W/NITTO TRAIL GRAPPLERS
2.5" LEVELING KIT
DIESELSITE COOLANT FILTER
ROTELLA EC-1 RATED COOLANT
5" DP BACK FLO-PRO EXHAUST
FLO-PRO CAC PIPE & INTAKE ELBOW
CCV MOD
AIR LIFT 5000LB AIR BAGS W/ONBOARD COMPRESSOR
AFE CAI
PMF TRACTION BARS
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post #10 of 10 Old 01-15-2013, 04:14 AM
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If you want to get better mileage towing, slow down. While towing, I never let the boost to go above 20 PSI. That equals about 63 MPH on the flats and if in hills it slows down depending on the hill to about 55. On a few steep long grades keeping it below 20 PSI it slows to the point of down shifting to 4th and the EGT's drop significantly. Mileage runs between 9.2 and 10.2 hand calculated. My fifth wheel is about the same as yours My mods are H&S Mini Max running on mild, 4" downpipe back exhaust and a SFE intake.
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