08-11-2017, 10:05 AM | #21 |
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Re: Detergent oil
I use synthetic. A little more expensive, but I run it in all but one of my vehicles, new and old. I am running 10-30. I plan to change to 10w-40, as 40W was what was recommended by Ford at the time. As long as the cars run well, that is all that matters, whatever oil you use.
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08-11-2017, 11:43 AM | #22 |
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Re: Detergent oil
I have never seen a Ford recommendation for 40w oil, but I haven't seen everything.
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08-11-2017, 03:03 PM | #23 |
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Re: Detergent oil
J FranKlin, let me check and I will post my findings. It should be easy to verify.
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08-11-2017, 03:28 PM | #24 |
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Re: Detergent oil
Quote from the 1931 Model "A" Instruction Book: "In general an oil having the body of S.A.E. viscosity No. 40 will prove satisfactory for summer use. For winter use oil having the specification of S.A.E. No. 20 should be used. It is essential, however, that this winter oil have a low cold test."
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08-11-2017, 04:01 PM | #25 | |
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Re: Detergent oil
Quote:
Rog |
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08-11-2017, 04:08 PM | #26 |
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Re: Detergent oil
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08-11-2017, 10:30 PM | #27 | |
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Re: Detergent oil
Quote:
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08-11-2017, 10:37 PM | #28 |
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Re: Detergent oil
I run straight 30 weigh Kendall oil in my car and then top it off with Marvel Mystery Oil and all has been good and quiet.
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08-12-2017, 12:50 AM | #29 |
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Re: Detergent oil
Kendall! Don't see that brand in this part of the country. When I was a kid in the early '50's Kendall advertised in magazines like the Saturday Evening Post. The ads featured a hand raised with two fingers making a "V" sign and the slogan said "Kendall! The two thousand mile motor oil". The usual interval was 1,000 miles so I guess you cut oil expense in half! Now my VW Diesel goes 10,000 miles between changes.
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08-12-2017, 01:12 AM | #30 |
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Re: Detergent oil
Hi David,
A. I can imagine perhaps your initially staying up all night reading and re-reading all 28 different replies on recommending 20-50, not 5W-20, 15-40, 10-30, add ZDDP, add MMO, use synthetic, no 40W, Engineer recommendations etc., etc. B. Just in case you had to take Alka-Seltzer, and/or are beginning to acquire stomach ulcers to decide on oil, help is really just around the corner. C. Just drive your Model A to your nearest Wal-Mart and tell some young non-Model A guy you just need a damn simple oil change ...... and tell him just like that .... don't leave the damn out ...... he will understand. D. Wal-Mart has trained, oil changing guys that change oil in millions of cars a year with absolutely no problems ...... nothing at all like all of the burnt up and gummy Model A re-built engines we hear about every week on this Forum E. Hope this helps anybody in the future to choose a peaceful lubrication selection of modern detergent oil where one has a similar situation of only 100 miles on a rebuilt Model A engine. |
08-12-2017, 10:50 AM | #31 |
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Re: Detergent oil
Diesel oils are not recommended in gasoline engines, although many seem to use it, I don't.
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08-12-2017, 11:29 AM | #32 |
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Re: Detergent oil
Rotella for me
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08-12-2017, 12:28 PM | #33 |
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Re: Detergent oil
Wal-Mart Oil Changers ..... millions of 100% success stories.
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08-12-2017, 01:44 PM | #34 |
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Re: Detergent oil
Diesel grade oils have higher shear properties,better detergent and soot entrainment properties and better viscosity modifier properties than gasoline engine grade oils.Entrainment properties hold dirt and soot in suspension,allowing it to be removed with the drain instead of depositing on parts,critical with engine not running an air filter.Shear means they handle load better,good for soft babbit bearings.Improved Viscosity modifier properties means it resists breakdown when running multi viscosity oils..15-40 wt breaks down to 15w when the modifier fails,a higher stability factor means higher resistance to breakdown.
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08-12-2017, 02:47 PM | #35 |
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Re: Detergent oil
Here is a link to an oil and grease guy who makes old style oil products.
http://steamenginelube.com/lubeuse.html You can go around his page and learn about the U-joint grease that was specified for the A. |
08-12-2017, 05:06 PM | #36 |
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Re: Detergent oil
Don't use synthetic oil ! It will leak from every part that leads to the outside. It's far to slippery for your antique engine to handle. Regular Rotella oil 20w-50 is just fine or any diesel oil will be just fine. It can sit for years, but any oil while sitting will just migrate into the pan, that's why it's best when sitting for a long time to pre-lube through the distributer shaft. I run MMO in my fuel on all older engines, have done so for many years and swear by this practice. Some frown at this, but I have never had a valve problem. One of my friends has a Ford 9n tractor, the valves hung up from the modern type gas, I freed them up and got him started on MMO and he has not had any problems with the valves in the last five years. JMHO
When everything seems to be going against you, remember that the airplane takes off against the wind, not with it” - Henry Ford
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08-12-2017, 05:53 PM | #37 |
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Re: Detergent oil
During my 27+ years as a mechanic for Arizona Hiway Dept. we saw the opposite. We ran 15W-40 diesel oil in everything for many years to reduce inventory. When we were thinking of extending oil changes from 5,000 miles to 7,500 miles in cars and pickups, we did a lot of oil sampling. The oil in 350 Chevy pickups would often start to thicken after 5,000 miles if used hard. Seems like some samples came back as 50W!
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08-12-2017, 09:29 PM | #38 | |
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Re: Detergent oil
Quote:
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08-13-2017, 12:16 AM | #39 |
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Re: Detergent oil
Another diesel oil I can vouch for is delo, I may use rotella because it is better suited for my line of work and conditions, but my brother runs delo in his 6.0 powerstroke and his dump truck for the simple fact that it doesn't create as much stiction in the high pressure oil pump in the injection system on the powerstroke in fact caterpillar uses delo oil for their hui injection system which runs under the basic principals it might say cat on the can but it's delo inside
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08-13-2017, 01:43 AM | #40 | |
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Re: Detergent oil
Quote:
This is why I am a proponent of adding filters to the Model A, both oil and air filters. *I'm not proposing anyone use non-detergent oil, I use Chevron Delo 400 15w40. |
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