What oil & how to clean...

[CROWNVIC4LIFE]

Originally Posted By: OVERK1LL
20w50 is too heavy for a lo-po Windsor.

They seem to do very well on a 40-weight oil, so I would suggest a switch to either a 15w40 or 5w40 if you don't mind spending an extra bit of coin. Delvac or Rotella.

No additives. Just use that grade of oil.


I agree..Running 20w50 is just crazy..I had a 88 5.0 Town Car and had zero issues with it for 300K miles using 10w30,5w30 and 5w40..I never ever put additives in it..I used mostly Motorcraft bulk oil from the dealer and changed out every 4-5K miles..The car did mostly highway miles.

At one time I did try 20w50 and car sounded like a broken washing machine for the first few minutes..I took it out very quickly.

 

[KrisZ]

Quote:
Buttoned everything up, checked for leaks, she's purring like a kitten...



That's because engine cleanliness doesn't always equal to healthy engine.

If the engine runs as good as you say it does, then don't loose sleep over dirty engine.

 

[KrisZ]

Originally Posted By: DrDusty86
Get this loser band....now
Mod: where are you?


Take it easy, this will not get you far either and certainly will not gain you any more credibility

 

[teddyboy]

Originally Posted By: barlowc
Originally Posted By: VR1
pick a brand and stick with it changing brands is not good to do.

Come on... we know that's not true. Switching oils is fine and doesn't hurt anything at all. The key is to use a good oil that meets the specs for the application.


I asked my car and it said that switching is fine.

 

[sasilverbullet]

TinmanSC - the reason he was using that was because his dumb old Dad (me!) told him to. That was a leftover of my old ways before I started hanging out here and getting educated by you'all! But now I've "seen the lighter weight oil..."! I've been working on cars since 1970 and I never realized till recently about how bad running too heavy an oil can be.

So now the 90 Marquis (and my 70 Lincoln Mk III) are running Delo 15w40 and Wix filters.

Another old [censored] educated and converted...

 

[VR1]

Look make fun all you want and ridicule me all you want but, I'm giving about close to a century of knowledge that was passed on to me. My great great grandfather was a machinist for Exxon almost 50 years and knew more about lubricants than the average Joe did. It is true that things change over time some but, at the same time dont' reinvent the wheel if it works. Thats all I'm saying. Feel free to do as you please you have that right but, to think my way is crazy well... I'm not going to comment on that and step on people toes.

 

[OVERKILL]

Originally Posted By: VR1
Look make fun all you want and ridicule me all you want but, I'm giving about close to a century of knowledge that was passed on to me. My great great grandfather was a machinist for Exxon almost 50 years and knew more about lubricants than the average Joe did. It is true that things change over time some but, at the same time dont' reinvent the wheel if it works. Thats all I'm saying. Feel free to do as you please you have that right but, to think my way is crazy well... I'm not going to comment on that and step on people toes.


Considering the Germans invented synthetic oil during WWII, I'm doubting it existed back when your great great grandfather worked for Exxon. Things have changed quite a bit since then.

If you do a search for posts by Doug Hillary, you'll find some excellent information regarding the history of lubricants, how they have evolved and how the auto manufacturers with their specs and approvals have made today's oils better than they have ever been. This is how we end up with oils like Mobil 1 0w40.... The oil that you can buy at Walmart is the same product used in the 24hrs of Lemans! It is the same oil Audi uses in their racing endeavours.

Lubricants have not always been as robust and capable of the longer drains they are now. Oils of the 80's are a perfect example. Even with regular changes, you get engines that look like the one the OP is talking about. Modern conventional oils are leaps and bounds better at anything in the past, and modern synthetics, particularly those that meet the stringent manufacturer specifications like those set by BMW, Audi, Honda, Porsche...etc are the best of the breed. Capable of longer intervals, while retaining cleanliness and wear protection.

Doug also posted pictures of a liner, piston and bearings from a 500HP Detroit Diesel with 1.2 million Km's on it. It was a routine tear-down/inspection that he was doing on a fleet test that he was running for Exxon-Mobil. The lubricant in use was Mobil Delvac 1 5w40. The change interval was ~90,000Km. All parts were still within spec for NEW! That engine is still in service with 1.8 million on it now IIRC.