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Old 09-21-2015, 08:34 AM   #1
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How do you drive your diesel?

First off I'm older than most and after many hours of reading and talking to others this is how I drive her. First off it is a 08, F250 super duty, crew cab with an original 6.4 with 120,000 miles.

Change oil every 3000 miles (free from my dealer)
Drain water separator every month
Check water chemical levels with NAPA sticks every 3000 miles
When not pulling my 5er:
Never go higher than 20 psi on boost and keep under 2000 rpm
When towing let her rip!
I have a scanguage 11 and when in regen keep rolling down the road until finished, my DFT temperature will rise to about 1200 degrees, when finished and drops to under 400 degrees then I shut it down.

Never and I mean never shut down until the EGT is under 400 degrees.

Love the truck and probably way over kill but it is a large investment and I plan on keeping it.

On a different note: oil temp has always been 3 to 7 degrees higher than water?

Retired Aircraft technician and probably paranoid on gauges, that why I love the Scanguage II, I can monitor everything.
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Old 09-21-2015, 12:28 PM   #2
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I agree with the big investment & want to extend the life as long as I can. Mind is a Cummins they say drive it like you stole it. I change the fluids as they suggest 1 year or 15000 MILES. Happy travels sounds like you have everything under control!!!!
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Old 09-29-2015, 02:22 PM   #3
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This is what I do. Same make and year 4x4 truck with 50k miles.

Quote:
Originally Posted by tucsonrv View Post
First off I'm older than most and after many hours of reading and talking to others this is how I drive her. First off it is a 08, F250 super duty, crew cab with an original 6.4 with 120,000 miles.

Change oil every 3000 miles (free from my dealer)
I run extended oil drains with the FS2500 bypass filter and test oil every 5k.
Drain water separator every month
Drain every 9k when changing fuel filters.
Check water chemical levels with NAPA sticks every 3000 miles
Use RMI-25 coolant treatment.
When not pulling my 5er:
Never go higher than 20 psi on boost and keep under 2000 rpm
Pretty much the same.
When towing let her rip!
I watch my gauges closely.
I have a scanguage 11 and when in regen keep rolling down the road until finished, my DFT temperature will rise to about 1200 degrees, when finished and drops to under 400 degrees then I shut it down.
I use the Drew Technologies DASHDAQ for monitoring and have the regen turned off.
Never and I mean never shut down until the EGT is under 400 degrees.
Same here. Closer to 350 degrees.
Love the truck and probably way over kill but it is a large investment and I plan on keeping it.
Ditto, but I know these motors are ticking time bombs and will detonate sooner or later.
On a different note: oil temp has always been 3 to 7 degrees higher than water?
Same here. 4 - 6 unloaded and 8 - 12 loaded. I just ordered the Bulletproof 1/2 oil kit system to keep my oil temps closer to coolant temps.

Retired Aircraft technician and probably paranoid on gauges, that why I love the Scanguage II, I can monitor everything.
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Old 09-29-2015, 05:48 PM   #4
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Why do you turn off the regen? Did you remove the diesel particle filter?
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Old 09-30-2015, 06:38 AM   #5
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Why do you turn off the regen? Did you remove the diesel particle filter?
DPF/Cat are removed and regen turned off with the tuning. Every two years it all goes back on and truck returned to stock for emissions testing.
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Old 09-30-2015, 07:44 AM   #6
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Is it a big job to remove and reinstall? And, do you see a big results in performance and mpg?
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Old 10-01-2015, 08:34 AM   #7
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Is it a big job to remove and reinstall? And, do you see a big results in performance and mpg?
Using a floor jack and a couple of jack stands makes the reinstall easier. The dpf/cat combo with piping is heavy.

Throttle performance is improved and for me mileage stayed about the same since I run tuning. FYI - you'll need some sort of tuner that allows the truck to run with the dpf off.
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Old 10-03-2015, 12:02 PM   #8
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I did not get any real increase in mpg when I deleted the emissions stuff, but throttle response is phenomenal--almost no turbo lag. If TX ever goes to emissions checks on diesels, I'll have to do the same as Martin6--replace everything for the check.
Joe
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Old 11-24-2015, 04:52 PM   #9
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I agree with the big investment & want to extend the life as long as I can. Mind is a Cummins they say drive it like you stole it. I change the fluids as they suggest 1 year or 15000 MILES. Happy travels sounds like you have everything under control!!!!
I know this is an old post...but book says 6 months, not 1yr.
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Old 12-03-2015, 09:35 AM   #10
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Mine is a 02 with a 7.3 chipped at 2k miles and drive it like I stole it. It loves to be beat on. Only been in the shop once to get a new jem module programed.
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Old 12-03-2015, 09:58 AM   #11
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2004 F350 with the "dreaded" 6.0
211k miles runs like a champ and I drive it like teenage care thief.
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Old 12-05-2015, 09:04 AM   #12
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Martin6,
Would you please come back with the results after you get the BP 1/2 oil cooler kit installed? My '10 (and the last '09) runs hotter than the coolant, but I don't mind 6-10d differential. But when towing under stress, the delta climbs to maybe 20d and am wondering about the oil cooler efficency.
Thanks,
Joe
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Old 12-29-2015, 12:08 PM   #13
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Martin6,
Would you please come back with the results after you get the BP 1/2 oil cooler kit installed? My '10 (and the last '09) runs hotter than the coolant, but I don't mind 6-10d differential. But when towing under stress, the delta climbs to maybe 20d and am wondering about the oil cooler efficency.
Thanks,
Joe
Sounds like your coolers might be getting clogged. How many miles on your truck and what temps do you normally see? Delta shouldn't be more than 10 even when towing. Maybe 15*, but 20 is a lot. These trucks like their coolant systems spotless. A coolant flush and a change to CAT ELC will help in all aspects for cooling and a coolant filter will help to keep everything clean.
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Old 01-09-2016, 02:52 PM   #14
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2004 F350 with the "dreaded" 6.0
211k miles runs like a champ and I drive it like teenage care thief.
'04 F250 6.0 FX4. 225k. Very few problems so far. Dino RotellaT / Ford filter every 5k. Tranny fluid and external filter every other year. Fuel and coolant filers every 10k. Air filter every year. Hydroboost fluid changed when it looks dirty or steering gets notchy - about every 100k miles.

I had an FICM / EGR failure, and an alternator died. No chip in this truck and I run it at least 1 time a week.
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