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09-08-2012, 07:09 PM
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#1
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Montana Master
Join Date: Jul 2012
Location: Billings
Posts: 698
M.O.C. #12641
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What type & brand of oil do you use?
We are thinking of switching from traditional oil to synthetic in our 2002 Ford F250 7.3l. The local Ford dealership changes our 15qt for $60. However, we have heard from several Montana owners that they use synthetic because it does not loose its viscosity at higher heats and it is rated for up to 500 degrees. However, we are concerned about switching from regular to synthetic (engine concerns). The other thing is that it is way more expensive from what we have heard. We can get Rotella synthetic T7(or is it T6) for $21/gal at Wally World.
So I wanted to know your opinion. What type and what brand do you run in your trucks? What have you found? Thanks!
Feel free to be completely forthright in your opinions. I am
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09-08-2012, 09:48 PM
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#2
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Montana Fan
Join Date: Sep 2012
Location: Walla Walla
Posts: 141
M.O.C. #12821
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I run Schaeffer 9000 full synthetic in everything from the pressure washer up to the tractors and semis. Works for both gas and diesel.........Ron
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09-09-2012, 01:13 AM
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#3
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Montana Master
Join Date: Aug 2008
Location: New Bern
Posts: 4,372
M.O.C. #8728
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I use Rotella synthetic.
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09-09-2012, 01:25 AM
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#4
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Montana Master
Join Date: Aug 2007
Location: Waterford
Posts: 3,693
M.O.C. #7500
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The advantages you mentioned for synthetic are true, but you missed one very important one: it flows better at cold temperature's, which means it flows better at start up than regular oil does. The cooler the temps, the more this becomes an advantage since experts agree a major portion of engine wear occurs during cold starts. Another advantage is it's cleanliness. Synthetic oil will not create sludge like a regular oil can. I have used synthetic oil since 1978, and have seen first hand it's benefits during engine tear downs.
In our truck, I use Mobil 1 Turbo Diesel. I offset it's cost by doing my own oil changes. At one time, I used Amsoil, but it can be hard to find when traveling.
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09-09-2012, 02:59 AM
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#5
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Montana Fan
Join Date: Aug 2010
Location: Garland
Posts: 450
M.O.C. #10688
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I am using Valvoline Premium Blue® Extreme Diesel Engine Oil and tests of the used oil have shown a positive measurable difference in wear.
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09-09-2012, 03:34 AM
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#6
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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I guess I'll have to look into this. Up till now I've just gone with what the dealer puts in.
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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09-09-2012, 04:02 AM
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#7
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Montana Master
Join Date: Jun 2004
Location: Benson
Posts: 3,121
M.O.C. #1658
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whether or not you use synthetic depends on how long you plan on owning the vehicle as synthetic is more expensive. If you only plan on keeping it 3-4 years regular oil will do an adequate job and save you money. If you intend to keep it longer and put on a lot of miles then synthetic is the way to go as there is a measurable wear difference between the two. For years I used 20W-50 race oil in my race engine and on tear down there was always some wear, scuffed pistons, etc. A professional talked me into using 10W-30 synthetic,"wow this stuffs like water. Do I really want to try this?" Well let me tell you, this made a believer out of me, every time I tore that engine down it was like brand new.
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09-09-2012, 04:09 AM
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#8
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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We always ran Rotella 15W40 in our previous ford diesels, (two 7.3s and one 6.0) with no issues. But with the new 6.7 diesel, Ford stipulates use of Synthetic 5W40 Oil when trailering or when driving under severe conditions. So, with the new truck, using Rotella 5W40 (T6). With the tighter and tighter tolerances in the new engines, Synthetic is becoming more common. I just bought the wife a new Saburu Forester and the stipulated oil is a synthetic 0W20.
__________________
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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09-09-2012, 04:32 AM
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#9
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Montana Master
Join Date: Feb 2005
Location: Sioux Falls
Posts: 729
M.O.C. #3206
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What brand of oil are you using now? Have you always used this brand? We put 287K on our 95 7.3 without any major repairs- We have always used 15w40 Rotella and have never added oil between changes- "If it ain't broke, don't fix it" has always been my credo- JHMO- Don
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09-09-2012, 04:43 AM
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#10
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Montana Fan
Join Date: Dec 2010
Location: North Port
Posts: 271
M.O.C. #10954
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Quote:
quote:Originally posted by 1retired06
We always ran Rotella 15W40 in our previous ford diesels, (two 7.3s and one 6.0) with no issues. But with the new 6.7 diesel, Ford stipulates use of Synthetic 5W40 Oil when trailering or when driving under severe conditions. So, with the new truck, using Rotella 5W40 (T6). With the tighter and tighter tolerances in the new engines, Synthetic is becoming more common. I just bought the wife a new Saburu Forester and the stipulated oil is a synthetic 0W20.
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Hopefully this is what the dealership uses, I take the truck in to them for all the maintainence.
__________________
2021 Montana 3121RL w/ Cobalt Paint
2019 F-450 w/ airbags and 25k BW Companion
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09-09-2012, 04:55 AM
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#11
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Montana Master
Join Date: Dec 2009
Location: Sebring
Posts: 3,659
M.O.C. #9969
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I wouldn't count on a Dealer, most have a 55 Gal Barrel of some brand/weight and use it as part of their oil change process without regard for Race, Color, Religion, etc. Been using Mobil 1 since it's early days, now use Mobil 1 Turbo Diesel
__________________
Michelle & Ann
2018 Chevy 3500HD High Country DRW 4X4 Crew Cab w/Duramax/Allison, Formally 2010 Montana 2955RL, Now Loaded 2016 SOB, Mor/ryde IS, Disc Brakes & Pin Box, Comfort Ride Hitch, Sailun 17.5 Tires.
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09-09-2012, 05:21 AM
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#12
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Montana Master
Join Date: Aug 2007
Location: Waterford
Posts: 3,693
M.O.C. #7500
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Quote:
quote:Originally posted by mhs4771
I wouldn't count on a Dealer, most have a 55 Gal Barrel of some brand/weight and use it as part of their oil change process without regard for Race, Color, Religion, etc. Been using Mobil 1 since it's early days, now use Mobil 1 Turbo Diesel
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Exactly! A diesel engine is warrantied to 100,000 miles. Even bulk, recycled oil will get you to that mark. It's what lies beyond that mark that matters. Dealers want your issues to come after the warranty period has expired because they get far more money than from warranty repair payments. I'm not saying they do this on purpose, but there is no incentive for them using high grade oil or synthetics.
People can scoff at the extra cost of synthetic and use their Walmart $.99 a quart oil all they want, but like 8.1 Al said, I have seen first hand the inside of engines that have run synthetic vs. regular oil - including my own, and the difference is amazing. Anything I own with an engine has synthetic oil in it.
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09-09-2012, 05:27 AM
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#13
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Montana Master
Join Date: Sep 2003
Location: Sunshine
Posts: 1,445
M.O.C. #538
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Been with ------ for years now. Haven't changed oil for three years now. Pull a sample every 7-8K and change OEM filter every 5k. Bypass filter every 15k.
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09-09-2012, 05:32 AM
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#14
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Montana Master
Join Date: Jul 2012
Location: Billings
Posts: 698
M.O.C. #12641
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Thanks for all of the wonderful information! We are looking at different oil because the other day when we were pulling 'Bessie' up a 8,530ft 'hill' the oil temp started scooting up near to the yellow on our Banks gauages. Everything else looked good. My brother pulls trailers of all sorts, shapes, sizes all over the country and he told me to switch to synthetic to take care of that issue. We have already put the bigger transmission cooler on, the truck came with a bigger radiator, and all of the rest of the 'trailer package'. This was the last thing we weren't sure if we needed to do. Now we think it is a need!
Has anyone had any issues with switching a 2002 or similar Ford to synthetic after using traditional?
I really appreciate you taking the time to respond so thoroughly!
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09-09-2012, 05:59 AM
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#15
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Montana Master
Join Date: Aug 2007
Location: Waterford
Posts: 3,693
M.O.C. #7500
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Quote:
quote:Originally posted by BusyCarol
Thanks for all of the wonderful information! We are looking at different oil because the other day when we were pulling 'Bessie' up a 8,530ft 'hill' the oil temp started scooting up near to the yellow on our Banks gauages. Everything else looked good. My brother pulls trailers of all sorts, shapes, sizes all over the country and he told me to switch to synthetic to take care of that issue. We have already put the bigger transmission cooler on, the truck came with a bigger radiator, and all of the rest of the 'trailer package'. This was the last thing we weren't sure if we needed to do. Now we think it is a need!
Has anyone had any issues with switching a 2002 or similar Ford to synthetic after using traditional?
I really appreciate you taking the time to respond so thoroughly!
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Before reading my answer, remember, I do my own work, so I have no labor costs....
If I was doing it, I would change the oil and filter, run the truck for 500 miles and change the filter only, and top off the oil. I would then run the truck for another 1,000 miles and again, change the filter and top off the oil. Depending on how the second filter looked after cutting it open, I would either repeat at another 1,000 miles or let it go to the next oil change.
Synthetic oil will clean out any sludge currently in your engine, and this sludge can clog your filter - hence the filter changes. Looking at the oil will not give a true indication how dirty it is, so I would cut open the filter and see if there were any signs of sludge in it. If there were, I'd do another filter change until the filter showed no sign of sludge.
Next thing to look at is the filter brand. Not all filters are created equal! Years ago, Consumers Reports did a test on them, and Delco came out on top, Fram on the bottom Since then, there have many new brands. To make a more educated guess on what to use and what to shy away from, follow this link:
http://wetwesties1.tripod.com/oilfilterstudy/index.html
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09-09-2012, 06:02 AM
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#16
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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Agree, dont count on the dealer. Autoway Ford in St Petersburg argued with me when I went in for my Free Oil Change, and claimed they did not even have 5W40 in stock, and that 10W30 was what they put in the diesels. I passed on the free oil change. Called Walker Ford in Clearwater, and they knew their stuff, adamant, 5W40 was correct oil for my needs, per the owners manual.
__________________
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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09-09-2012, 08:53 AM
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#17
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Montana Master
Join Date: Nov 2007
Location: Atlanta
Posts: 908
M.O.C. #7915
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I've used Rotella 15w40 in a pick up, and now a MH and a boat. The long haulers use it, so it's good enough for me. Although not an issue in this discussion, according to Cummins the type oil does not alter mileage/time change requirements.
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09-09-2012, 10:29 AM
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#18
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Montana Fan
Join Date: Aug 2010
Location: Garland
Posts: 450
M.O.C. #10688
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Quote:
quote:Originally posted by Hooker
I've used Rotella 15w40 in a pick up, and now a MH and a boat. The long haulers use it, so it's good enough for me. Although not an issue in this discussion, according to Cummins the type oil does not alter mileage/time change requirements.
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According to Cummins TSB #101040, for any Cummins engine models with light or normal service duty; Cummins allows an additional 5,000 mile drains when using Cummins Premium Blue & Valvoline Premium Blue Extreme.
This is also mentioned in the Valvoline Premium Blue Extreme product information. I am not trying to be argumentative, but pointing out that manufacturers are starting to pay heed to some of the new oils on the market.
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09-09-2012, 12:43 PM
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#19
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Montana Fan
Join Date: Dec 2011
Location: Livingston
Posts: 350
M.O.C. #12009
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Quote:
quote:Originally posted by Tom S.
Quote:
quote:Originally posted by BusyCarol
Thanks for all of the wonderful information! We are looking at different oil because the other day when we were pulling 'Bessie' up a 8,530ft 'hill' the oil temp started scooting up near to the yellow on our Banks gauages. Everything else looked good. My brother pulls trailers of all sorts, shapes, sizes all over the country and he told me to switch to synthetic to take care of that issue. We have already put the bigger transmission cooler on, the truck came with a bigger radiator, and all of the rest of the 'trailer package'. This was the last thing we weren't sure if we needed to do. Now we think it is a need!
Has anyone had any issues with switching a 2002 or similar Ford to synthetic after using traditional?
I really appreciate you taking the time to respond so thoroughly!
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Before reading my answer, remember, I do my own work, so I have no labor costs....
If I was doing it, I would change the oil and filter, run the truck for 500 miles and change the filter only, and top off the oil. I would then run the truck for another 1,000 miles and again, change the filter and top off the oil. Depending on how the second filter looked after cutting it open, I would either repeat at another 1,000 miles or let it go to the next oil change.
Synthetic oil will clean out any sludge currently in your engine, and this sludge can clog your filter - hence the filter changes. Looking at the oil will not give a true indication how dirty it is, so I would cut open the filter and see if there were any signs of sludge in it. If there were, I'd do another filter change until the filter showed no sign of sludge.
Next thing to look at is the filter brand. Not all filters are created equal! Years ago, Consumers Reports did a test on them, and Delco came out on top, Fram on the bottom Since then, there have many new brands. To make a more educated guess on what to use and what to shy away from, follow this link:
http://wetwesties1.tripod.com/oilfilterstudy/index.html
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Thinking about switching also,, so how long between oil changes using synthetic. Thanks
__________________
2014 3850FL
2008 F350 SRW
David and Liz
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09-09-2012, 01:15 PM
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#20
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Montana Master
Join Date: Aug 2007
Location: Waterford
Posts: 3,693
M.O.C. #7500
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Quote:
quote:[i]
Thinking about switching also,, so how long between oil changes using synthetic. Thanks
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I don't drive that many miles any more - less than 10,000 a year, so I change mine once a year. Amsoil claims service up to 20,000+ miles for their oil, which BTW, is made from Mobil stock. If I was going to go that far, I would consider having it tested and verified.
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