Mobil 1 Full Synthetic Oil Question

[vanace]

This material is used because it is far softer than the steel of the crankshaft and wears to fit the journals and provide proper oiling. This takes about 1500 miles. As I said "it is probably due to the quality of the oil filter". If these tolerances were so tight we wouldn't need oil at all! I also don't think that Ford has all of the sudden become a leading producer of highest quality engines (I've rebuilt to many of them to think that), the rating on the Focus engines is unfortunatley sad compared to the Japanese and European engines. (no, your Euro body kit really doesn't do anything for performance or technical knowledge of performance engines, SORRY) I still stand behind not using 10w on a gasoline 4 cylinder, and even question the use of a 20w oil in them. I think I'll go back to the seventies now.

The bearings aren't the concern about seating. Like you said, the bearing material is softer than the crank. It will take care of itself. In fact, I don't consider the bearings to seat. The oil pressure keeps metal to metal contact from happening except at start up. The rings are cast iron most of the time, and they seat almost instantly. How can you say the focus engine rating is sad? it does what it is designed to do.. be an economy car. I will put a ZTEC against any jap crap engine for durability. And what does the statement of " these tolerances were so tight we wouldn't need oil at all!" That makes absolutely no sense. I wouldn't use a 10W oil in a vehicle either... untill a manufacture recomends it for there engine. And as far as questioning using a 20W oil in the engine, how is it you came to know more than the engineers? This isn't about gut feelings here. there is a science to it, and they have the education to back it up. I am now done with the debate. You can run any oil in your vehicle you want. But remember, if something fails, please remember all the things you have done despite the manufacturers recomemdation, and don't bad mouth Ford for the problems.

[soffiler]

Originally posted by thefiatek
... FYI on 30w: 90% of all new car dealers have NOTHING BUT 30W oil in their shop. This is a fact. It is cost effective, and the oil companies that deliver by the barrel only offer 10W30 and 30W...

You've said a bunch of things in this thread that were shaky at best, but, this one takes home the trophy. What planet are you living on? "This is a fact" RIIIIIGHT. Give me a reliable reference that supports this "fact".

[JFocus01]

I have a J/R supercharger and I use Mobil 1. It is great. It does have teflon. Motorcraft oil will pre-maturlely breakdown with that much heat from a blower. So Mobil 1 does not break down. Yes, it is great!!

[vanace]

dang I can't stay away. Where are you getting the idea that the supercharger makes that much heat on the oil? Do you realize the 20W-50 motorcraft oil is semi-synthetic? Regualar oil changes keep all good.

[microtonal]

Teflon....it's just not for frying pans anymore....

by DuPont's Fluoropolymers Division Product Specialist, J.F. Imbalzano

"Teflon is not useful as an ingredient in oil additives or oils used for internal combustion engines."

Using Teflon additives

[Chucko]

Someone please tell me where Mobil says Mobil 1 contains Teflon (or PTFE), and I will immediately stop using Mobil 1.

Teflon is a bad additive for motor oil.

[microtonal]

Not sure where JFocus01 got the info on Mobil 1 contains teflon.

All I know is Mobil 1 is a patented proprietary test blend of ultra performance synthetic basestocks fortified with the most advanced additive system available.
They call it Supersyn Antiwear Technology.
Nothing about that Mobil 1 is a "Pure" synthetic oil like amsoil.

Didn't see teflon listed but maybe it's on the bottle...

[celronart]

Hi,Check out BOB'S for serious OIL talk,and get some answers.
http://theoildrop.server101.com/cgi/...&f=1&submit=Go

[microtonal]

.......a forum dedicated exclusively to oil chat.....whoa......just oil.....
I can't believe they had daily posts on this forum.....
Some good info on the forum.

Anyway, didn't see any info about teflon and mobil1. I only poked my head in a few threads and left. I'll leave it for the experts to go through the data and find the answer....

Here's one to get U in to the rabbit hole. Topic: Synthetic vs. Blends vs. Dino and OCI

[celronart]

Hi,Just do a TEFLON search on BOB's, and you should get some stuff to chew on.Or, ask the very astute guys over there what's what. They will blind you with science, and the facts too.I'm running Mobil Delvac-1 Synthetic(5w-40) fleet oil in my Ford Van. It's Primo stuff! However, I'm not putting D-1 in the '03 Focus SE.The car is not worth it