Author Topic: Unsure of engine oil to use.  (Read 8643 times)

Soaring

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Re: Unsure of engine oil to use.
« Reply #20 on: May 02, 2010, 05:17:19 AM »
We are awaiting the arrival.   ;D As far as breaking anyone's bank account who uses synthetic, you can run synthetic twice as far as dino, so if the synthetic costs you twice as much, then you come out even.  And, in the meantime, you are getting twice the protection.  All three of my Ford autos love synthetic oil.  I can't say enough good things about it, 

BlackShadow

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Re: Unsure of engine oil to use.
« Reply #21 on: May 02, 2010, 03:18:36 PM »
I'm not going to argue with you.  I know synthetic will work fine in your roller cam 03's, but the problem is in the original flat tappet cams. The cam manufactures know there is a problem, so the newer produced cams do have a different hardening process. But the original cams aren't so lucky and will fail. It is just a matter of time without ZDDP.  As far as cost goes, synthetic oil runs around $7.50/qt and mineral base oil  runs from $2.79 to $3.99.  And the oil change interval is another debating issue even from distributors.  I take care of 24 flat tappet cam engines ranging from a 1929 on up to 1996. Some only get 1000 miles or less put on them, but I change the low mile rigs faithfully every year.  There is no way I'm going to let oil of any kind sit in a motor over a year, just because condensation will do a lot of damage to an engine more than the average Joe knows.  So I would never get to the 5000 to 6000 mile per oil change on these engines with synthetic oil.  The cost of oil is minor in comparison to the cost of replacing cams.  Just the cam replacement alone would cost me thousands, with roller cam cost ranging from $250 to $2000 on some of my bigger rigs, plus the labor or my time to change them out.  I have talked to my local oil distributors and they know there is a problem and their solution is either run a diesel oil or an off road racing oil or add an additive.  Until the oil manufacturers come up with something to solve the problem and they standby cam replacement on flat tappet cams, I won't be using anything but diesel oil.  I  have taken too many motors apart and seen first hand mineral base oil working just fine to change my mind.  Synthetic may work, and if it is working for you, only time will tell, but I'm not going to take the chance.

Here a link to a reputable place talking about cam failures and how to prevent it.   http://www.hotrod.com/techarticles/engine/flat_tappet_cam_tech/index.html

The oil sludge! 6mustang6 is a problem of lack of maintenance of one kind or another.  A motor which is running at operating temperature and doesn't have any coolant or moisture internally (be it anti freeze or condensation) and is regularly maintained will not have sludge, period.

This whole issue is something we will just have to agree to disagree on.  Kind of like Soaring and the whole original vs. restomod thing.

By the way, mobil delvac 1300 is the same oil Caterpillar sells with a Cat sticker and just asks more money for it.

Soaring

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Re: Unsure of engine oil to use.
« Reply #22 on: May 02, 2010, 03:36:38 PM »
One thing I noticed when running dino oil in my 65 was a lot of chatter on start-up.  I attributed that mostly to the cheap filters I was using, so switched to Wix.  That helped some, but I still got some chatter.  Well, with synthetic, I have absolutely no chatter at start-up.  That's just one indication of the superiority of synthetic oil.  The other is that my engine seems to run a lot smoother, with what feels like more power, and I attribute that to the extra lubrication that synthetic offers.  As far as the cost?  It's about the same.  Do some research, and you will discover that you can run synthetic at least twice as far as dino.  Now, you may have to change the filter between oil changes, but that's peanuts. 
Yeah oil sludge is just a matter of neglect.  You don't need to change the oil at 3K intervals though.  That's just oil companies trying to make a buck.  Drive your engine 3K miles with your diesel oil, then take it to have it tested.  You will be surprised at how much good oil you are throwing away.  As far as condensation is concerned.  Yeah oil and water don't mix.  I change my oil right after the winter season because that is when condensation usually occurs in the oil pan.  And, I try to drive my Mustangs at least once a week to burn off any condensation.  My truck gets driven daily.  As far as the phospherous and zinc content in synthetic oil, it is a misunderstanding if you think synthetic oils don't contain them.  Hell, even Mobil1 contains them, and you can get that at Walmart.  Here are some other examples.

Product Name
Phosphorus Level(ppm)
Zinc Level(ppm)

AMO 10W-40 Synthetic Premium Protection
1265
1378

ARO 20W-50 Synthetic Premium Protection
1266
1379

HDD Series 3000 Synthetic 5W-30 Diesel Oil
1266
1379

TRO 20W-50 Synthetic Racing Oil
1235
1370

AHR SAE 60 Synthetic Racing Oil
1265
1375


Tim175

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Re: Unsure of engine oil to use.
« Reply #23 on: May 02, 2010, 03:45:43 PM »
Wow these responses are getting long ;D

6mustang6

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Re: Unsure of engine oil to use.
« Reply #24 on: May 02, 2010, 08:58:32 PM »
Blackshadow, My car sat a very long time before i started daily driving it. Im pretty sure the Previous owners cranked it up and let it run a minute and shut it off. Im pretty sure this contributes to my sludge. My car is 66000 original mile car(most believe who look at it).

BlackShadow

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Re: Unsure of engine oil to use.
« Reply #25 on: May 02, 2010, 10:13:36 PM »
Those numbers you posted Soaring  are acceptable for both Phosphorus and Zinc. I did some more research to, and one thing I didn't know was Mobil makes so  many types of Mobil 1 synthetic oil. Mobil 1 15-50w Phosphorus Level(ppm) 1200 Zinc Level(ppm)1300 would be just fine.  As well as Mobil1 Turbo Diesel Truck 5-40w but a little low but would work Phosphorus Level(ppm) 1100 Zinc Level(ppm)1200.   And of course all the Mobil racing 0-30w Phosphorus Level(ppm) 1750 Zinc Level(ppm)1850. But all the other Mobil 1 product both the Phosphorus Level and  Zinc Level are very low 800 and 900ppm and I would not but them in any flat cam motor but be fine for a roller cam.

https://www.mobiloil.com/USA-English/MotorOil/Files/Mobil_1_Product_Guide.pdf

 

Soaring

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Re: Unsure of engine oil to use.
« Reply #26 on: May 03, 2010, 08:07:02 AM »
Yeah, if anybody is very concerned about the phospherous and zinc levels, then they should just run Shell Rotella oil. 

 

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