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I would agree. Going to stick with 5-40 year round, and 4-5 k intervals. Might be a bit premature, but from everything i've read the properties of pure syn seem to keep turbo/injectors etc cleaner. I have a 550 with OCR, so can do manual regens and that's my second area of concern $$ wise. LIke to do as many manuals as possible, feel the computer controlled one's aren't as effective, Could be off base and please correct me on that, but it's cheap insurance to spend 75 bucks and not worry about fuel dilution. Will have a fuel sample analyzed after next service..really was intrigued with tthe Mystik JPT 15-40, and might consider that for the really hot months, but seems more expensive than the PBE?
You mean "oil sample." Fuel dilution means fuel in the oil. The oil for a stock 6.7 typically gets about 3-5% fuel in it by the end of a typical OCI. The 40 weight will prevent the viscosity from getting too low due to the inevitable fuel dilution. This is what carbonation's spot-on post above was referring to.
You mean "oil sample." Fuel dilution means fuel in the oil. The oil for a stock 6.7 typically gets about 3-5% fuel in it by the end of a typical OCI. The 40 weight will prevent the viscosity from getting too low due to the inevitable fuel dilution. This is what carbonation's spot-on post above was referring to.
I think I read that to avoid (additional?) fuel dilution from a regen you should let the truck idle for a few minutes in park in the case of having to stop the truck in the middle of a regen.
I think I read that to avoid (additional?) fuel dilution from a regen you should let the truck idle for a few minutes in park in the case of having to stop the truck in the middle of a regen.
I usually look at the gauge,when it reaches 100% i pull over and do an OCR. Don't know for sure if it does a better cleaning than a computer generated one while driving, but it usually takes about 20-25 minutes and they tell you not to start one near dry brush..it gets pretty hot in the cab;0
When considering oil I use these factors:
1. Is it on the Ford approved list
2. General recommendations
3. Is it readily available, meaning can I bop down to the local auto parts store and get it off the shelf if I have to
4. Price
Valvoline Premium Blue Extreme 5w-40 and Shell Rotella T6 both fit the above criteria for me. I wait around for a sale on Valvoline and buy 6 gallons at a time, usually for less than $20 per gallon.
I used AMSOil exclusively in my prior 1/2 ton truck. AMSOil fails on all four criteria.
The only thing that I would add to your list is "Is it 100% synthetic"
The only thing that I would add to your list is "Is it 100% synthetic"
Ha! Yeah, that was implied so much that I didn't even think about it. My engine oil gets a workout, it's in the 240's at least once on each leg of the trip.
I usually look at the gauge,when it reaches 100% i pull over and do an OCR. Don't know for sure if it does a better cleaning than a computer generated one while driving, but it usually takes about 20-25 minutes and they tell you not to start one near dry brush..it gets pretty hot in the cab;0
Are you serious?!?!?? Pull over to do an OCR when the dpf is full?
The 5w40 is required for severe duty use, 15w40 is not approved for severe duty service.
Red print below for correct info.
6.7L Power Stroke Specs
Engine:
Ford Motor Company 6.7L Power Stroke diesel V-8 Displacement:
6.7 liters, 406 CID Production Years:
2011 to present Ford F-Series Super Duty (F-250/F-350/F-450)
2011 to present Ford F-Series Chassis Cab (F-350/F-450/F-550)
2015 - present Ford F-650/F-750 medium duty trucksBlock/Head Material:
• Compacted graphite iron engine block (CGI) with 6 bolts per main bearing cap
• Aluminum cylinder heads with 6 head bolts per cylinderCompression Ratio:
16.2 : 1 Firing Order*:
1-3-7-2-6-5-4-8 Bore:
3.897 inches (99 mm) Stroke:
4.251 inches (108 mm) Aspiration:
• Garrett GT32 DualBoost variable geometry single sequential turbocharger, wastegated, 2011 - 2014 MY
• Garrett GT37 single VGT, 2015 - 2016 MY
• Single sequential turbocharger, 2017+ MY
• Air-to-water intercooler (charge air cooler or CAC)Injection:
• Direct injection, 30,000 psi high pressure common rail
• 19mm Piezo actuated injectors with 8 hole nozzles
• Bosch CP4.2 high pressure injection pumpValvetrain:
Conventional pushrod OHV, cam in block, 4 valves per cylinder (32 valve) Cooling System:
Dual cooling systems; high temperature circuit for engine, low temperature circuit for transmission cooler, CAC, etc Oil Capacity:
13 quarts w/ filter Oil Requirements:
• CJ-4 or CJ-4/sm engine oil is required to ensure emissions system compatibility
• 10W-30 is the preferred motor oil viscosity for normal use
• 5W-40 or 15W-40 engine oil is recommended for severe duty or biodiesel applications. Viscosity recommendations vary with ambient temperature; refer to owners manualEngine Weight:
Approx. 1,100 lbs wet, 990 lbs dryEmissions Equipment:
EGR, DOC, SCR, DPF (see below for comprehensive emissions system information) Peak Horsepower:
450 hp @ 2,800 rpm (2018, see model year breakdown in chart below) Peak Torque:
935 lb-ft @ 1,800 rpm (2018, see model year breakdown in chart below)
Engine:
Ford Motor Company 6.7L Power Stroke diesel V-8 Displacement:
6.7 liters, 406 CID Production Years:
2011 to present Ford F-Series Super Duty (F-250/F-350/F-450)
2011 to present Ford F-Series Chassis Cab (F-350/F-450/F-550)
2015 - present Ford F-650/F-750 medium duty trucksBlock/Head Material:
• Compacted graphite iron engine block (CGI) with 6 bolts per main bearing cap
• Aluminum cylinder heads with 6 head bolts per cylinderCompression Ratio:
16.2 : 1 Firing Order*:
1-3-7-2-6-5-4-8 Bore:
3.897 inches (99 mm) Stroke:
4.251 inches (108 mm) Aspiration:
• Garrett GT32 DualBoost variable geometry single sequential turbocharger, wastegated, 2011 - 2014 MY
• Garrett GT37 single VGT, 2015 - 2016 MY
• Single sequential turbocharger, 2017+ MY
• Air-to-water intercooler (charge air cooler or CAC)Injection:
• Direct injection, 30,000 psi high pressure common rail
• 19mm Piezo actuated injectors with 8 hole nozzles
• Bosch CP4.2 high pressure injection pumpValvetrain:
Conventional pushrod OHV, cam in block, 4 valves per cylinder (32 valve) Cooling System:
Dual cooling systems; high temperature circuit for engine, low temperature circuit for transmission cooler, CAC, etc Oil Capacity:
13 quarts w/ filter Oil Requirements:
• CJ-4 or CJ-4/sm engine oil is required to ensure emissions system compatibility
• 10W-30 is the preferred motor oil viscosity for normal use
• 5W-40 or 15W-40 engine oil is recommended for severe duty or biodiesel applications. Viscosity recommendations vary with ambient temperature; refer to owners manualEngine Weight:
Approx. 1,100 lbs wet, 990 lbs dryEmissions Equipment:
EGR, DOC, SCR, DPF (see below for comprehensive emissions system information) Peak Horsepower:
450 hp @ 2,800 rpm (2018, see model year breakdown in chart below) Peak Torque:
935 lb-ft @ 1,800 rpm (2018, see model year breakdown in chart below)
That's the first document I've seen that lists anything other than 5w40 for severe duty use. The diesel supplement manual that came with my truck only lists 5w40. Even the oil cap indicates 5w40 for severe duty.
I suppose it depends on which part of the manual you look at. One section said 5w-40 or 15w-40. This section, from version 3 of the Owner's Manual on page 330 mentions only one viscosity:
Engine lubrication for severe service operation
The following conditions define severe
operation for which engine operation with
SAE 5W-40 API CJ-4 is recommended. Oil
and oil filter change intervals will be
determined by the Intelligent Oil Life
Monitor™ as noted previously.
• Frequent or extended idling (over 10
minutes per hour of normal driving).
• Low-speed operation/stationary use.
• If vehicle is operated in sustained
ambient temperatures below -9°F
(-23°C) or above 100°F (38°C).
• Frequent low-speed operation,
consistent heavy traffic less than
25 mph (40 km/h).
• Operating in severe dust conditions.
• Operating the vehicle off road.
• Towing a trailer over 1,000 mi
(1,600 km).
• Sustained, high-speed driving at Gross
Vehicle Weight Rating (maximum
loaded weight for vehicle operation).
• Use of fuels with sulfur content other
than ultra-low sulfur diesel (ULSD).
• Use of high-sulfur diesel fuel.
Every section that mentions Biodiesel B20 includes the recommendation to use 5w-40 or 15w-40.
Yes, every section that specifies biodiesel over 6% to 20% does say use 15w-40 or 5w-40 but it does not identify using 15w-40 for severe duty. The manual only specifies 5w-40 for severe duty.
I had to search hard for stations near me with B20. Nothing close but they do exist in the Denver area.
There aren't many 0w-40 fully synthetic oils out there. It looks like Shell Rotella T6 is but I haven't seen it on the shelves. Plenty of T6 5w-40 though at the same price.
The Valvoline Premium Blue Extreme full synthetic 5w-40 is easy to come by and if I catch it on sale online it's (relatively) inexpensive, so I'll likely stick with that.
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