Engine Oil Info.

[Dr Jones]

Here's a great post I found on the different types of engine oil, it's a great read! :)

http://www.acura-cl.com/ubb/Forum1/HTML/001541.html

[snarff]

so, basically the guy was saying not to use synthetic oil until after 10000 miles on the car and before that amount use mineral oil....

did i understand what he said????

[RSXJP]

No I think he was saying that the Mobil 1 oil after 10000 miles of running it still offers better protection then the regular oil does.

[Chill]

What he is saying dont put that in till about after 2000 miles
cause rings did not seat so cause cars to smoke so use regular oil for at least 2K mile before mobile 1

[Rogue 5]

I don't believe any of this synthetic oil crap. Consumer reports did a test of a ton of oils including synthetics and found the ONLY time where synthetics prove any better is in extrememly cold climates. They don't even last any longer that natural oils. You may hear people swear by synthetics but I think they're just wasting money. I trust consumer reports. They have the money and resources to conduct indepth studies and product comparisons under strict controled conditions. Much more so than even mechanics in a shop that ONLY do oil changes.

I am not sure of the year/month of this artcile but if I find it I'll post it.

[Dr Jones]

Well, I trust the NASA lubricant engineer who is doing the test for himself more than Consumer Reports, so to each his own. :p
And yeah, he was saying that you should not use synthetic until AFTER 2000 miles, and you can run it as long as 10,000 miles before a change. :)

[Rogue 5]

Dr. Jones: Not trying to start sh*t with ya or anything here but a NASA engineer doing the test for him self doesn't have access to nearly enough cars to reliably test the difference between oils. Nor does he have the time to drive the cars enough to see how different oils handle under different driving conditions. And I am sure he also didn't disassemble the engines to take specific measurements (with a micrometer) before and after the testing to determine actual wear on different engine components. In order to get as accurate as possible results from any sort of test, it must be performed and reperformed several if not hundreds of times to be sure results are accurate and not flukes. Well consumer reports not only had the time and the money, they performed their tests with a fleet of 75 NY taxi cabs over a 22 month period, arguably some of the hardest constantly driven cars on the planet. They also measured engine parts for wear and tear and harmful deposits before and after the test.

Besides the physical tests they also had the properties of each oil analyzed by a lab.

If you have a library card most libraries have consumer reports and you can go read it for yourself. The article was in the July 1996 Consumer reports.

[Dr Jones]

Oh, I believe you... and I realize that Consumer Reports has undoubtably done some high quality testing... but I'm still inclined to believe the other guy. *shrug* I know it doesn't make good sense... guess I'm just crazy. lol :D

[Capbill]

The Consumers Report test on syns was not conclusive since they ran into problem with their sample of 2 for that part of the test. Mobil ran a million miles with a BMW & miked no wear beyond new production tolarances. I used Mobil 1 from 30k to 206k on a '87 Honda at 7.5 to 10k changes & it still uses =<1 qt between changes. The valve area is absolutely clean of any sludge.
I will go to syn when it is 10k on car (5 months at my rate) but it will be 5w-20 Mobil if they make it or Pennzoil which is already out. A syn does not have lighter fractions to boil off to revert to a sludge of thicker oil.

[vmsrules]

Pure Polymer Synthetic is definitely the way to go, after the first scheduled oil change. Basically, the expense of their superior quality is offset but leaving in the engine for longer periods. If you're stubborn and really want to stick with conventional mineral based products, just change it more often.

Here are a couple of interesting articles:

More Than You Ever Wanted to Know About Motor Oil
by Ed Hackett
(http://www.baileycar.com/oil_overview_html.htm)

Space Age Engine Lubrication by Phil Bailey (http://www.baileycar.com/engine_lube_html.htm)

:cool:

[Capbill]

To help offset the cost off the syn, i change it myself. I install a petcock on my cars to facilitate the change. Now it is a piece of cake with the intake in front leaving the filter easy reach from the top compared to past Honda products. I also use Fram 7500 mile filters at each change. A neighbor had helped develope Mobil 1.