Mileage 2007 F350 4x4 SRW stock, 155,000. - Ford Powerstroke Diesel Forum
 
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post #1 of 10 Old 09-17-2019, 04:56 PM Thread Starter
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Mileage 2007 F350 4x4 SRW stock, 155,000.

I drive very conservatively....slow starts, slow stops, seldom over 65. I was getting 12 mpg and did all 4 brakes. It improved to 14 mpg.
I'm getting ready to have the following work done.... injectors, front axle U joints, front wheel bearings, power steering pump, glow plugs, and up pipes.
I plan on Warren Diesel conventional injectors. Did I read somewhere that 155s get better mileage than stock? I'm not tuned and not interested in power increase, but better mileage.
I'm thinking about Detroit Axle wheel bearing assemblies with a 10 year warranty. Has anyone used them?
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post #2 of 10 Old 09-17-2019, 05:56 PM
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I have used Detroit. They are popular on eBay but I haven’t had any bad luck with their products. I have even used a few other products from them w good luck also. Strut assemblies & stabilizer shaft links also with great luck. I don’t remember a 10 year warranty advertised though.
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post #3 of 10 Old 09-17-2019, 07:04 PM Thread Starter
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post #4 of 10 Old 09-17-2019, 07:52 PM
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I just saw someone else in another thread post a Yelp link to Detroit Axle and they had horrible reviews. Lol
I can’t complain with what I have used. But that is all under $1000 worth of parts on various vehicles. I have never visited their site either until you posted a link. I have only ever seen them on eBay really.
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post #5 of 10 Old 09-18-2019, 06:14 AM Thread Starter
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After looking at Some reviews, I think I'll pass on Detroit Axle and maybe use Tomlin or SKF
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post #6 of 10 Old 09-18-2019, 06:57 AM
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I've used Detroit Axle parts over the years and they are just rebranded Chinese parts as far as I could tell. Technically they worked, and I didn't have any complaints, but they are just cheap parts. I used them for some tie rod ends on a Jeep Grand Cherokee once and they were worn out within 2 years.

2006 Ford F250 CCSB FX4 6 Speed Manual
KC Stage 1 Turbo, Spearco Intercooler, SCT X4 w/ Custom TSD Tunes, ARP Studs, South Bend Dual Disc Clutch SFDD3250-6.0, AirDog II-4G Pump, AFE HD Momentum CAI, AFE CAC Pipes, AFE Intake Horn, AFE Front and Rear Dif Covers, Magnaflow 4" Turbo Back, EGR Delete, Sinister 200 Amp Alternator, Sinister Coolant Filter, BPD Radiator, BPD Water Pump, Big 3 Upgrade, Blue Spring, EDGE Insight CTS2, Morimoto BI-LED Projector Retrofit, Morimoto LED Fog Lights, Bilstein 5100s
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post #7 of 10 Old 09-18-2019, 07:43 AM
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Larger injectors require a custom ecm tune to run right. Got to be honest with you you wont see a fuel economy improvement that route. Pickups need aeromods or for the 6.0L specifically a ficm tune is the way to go.

I chased fuel economy in my 04 f350 and 06 f350 even going from an 8in lift and 38s down to a 4in lift and 35s was a flatout failure and made me very angry. Discovered ecomodder forum and found the best bang for the buck is a tonneau cover for highway drives. Picked up a solid 1-1.5mpg increase and it paid it self off in one road trip.

One type of tune that I did see a measureable improvement was the php ficm tuner. It changes how the fuel injection control moduel FICM runs and with the basic atlas40 tune got a consistant .5-.75 mpg increase. usually 2 solid mpg over stock with tonnea cover and ficm tune. (very, very slight bump in power) I did the same 980mile road trip 10 times a year and stoped at same fuel stations, hotels and got very familiar with trucks fuel range.

tonnuea cover 1-15.mpg boost
atlas 40 ficm tune .5-.75mpg boost

After that I tried everything various custom ecm tunes, gentle, hard driving only drafting behind bigrigs (kind of dangerous) worked better. Did some research and discovered a user bigdave on ecomodder has a 2001 f350 2wd 6sp getting 27mpg. You can read about his mods but the most basic was a tonneau cover. He changed from double to single shot injectors, exhaust, tunes, biggest effect were aeromods.

trucktrend even did an article on his truck; http://www.trucktrend.com/cool-truck...-f350-mileage/

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post #8 of 10 Old 09-19-2019, 09:58 AM
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I have Detroit axle steering/suspension parts on my 06 including the front hubs and absolutely no problems with them.

2006 Ford F-350 6.0L Auto CC 4WD LB
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post #9 of 10 Old 09-19-2019, 11:36 AM Thread Starter
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Thanks. I got scared off by all the negative reviews and bought Timkin from RockAuto
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post #10 of 10 Old 09-19-2019, 03:54 PM
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Rear the RockAuto reviews bwhahahaha

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