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I just ordered some of that fancy Joe Gibbs DT50 15W50.
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Old 11-19-2018, 08:22 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #2181 (permalink)
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Just ordered Shell Rotella T4 15W-40 for $12.97 per GALLON + free shipping from Amazon
Want to go a bit lighter on the lower number...
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Old 11-19-2018, 09:19 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #2182 (permalink)
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Quote:
Originally Posted by Steve@Rennsport View Post
I'd kindly suggest talking with professional engine builders who have inspected all the internals after long-term use before making blanket statements.
I'm pretty sure Adias meant on a bang for the buck basis. No one's saying BP 20W50 is "bad" oil.
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Old 11-19-2018, 10:43 AM
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My apologies if this has already been posted from Lubes N Greases magazine.

I read it, but I didn't get a conclusion of any kind, other than it's a complicated issue-which is not news...can one of y'all find one?

2018_12 - December 2018 - LNG
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Old 12-13-2018, 09:18 AM
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Quote:
Originally Posted by gwinnch View Post
My apologies if this has already been posted from Lubes N Greases magazine.

I read it, but I didn't get a conclusion of any kind, other than it's a complicated issue-which is not news...can one of y'all find one?

2018_12 - December 2018 - LNG
Yeah - it's a non-article that is basically saying "we think ZDDP matters, but we aren't sure, maybe not, but maybe it does..."

I think in the end, the fact that no one has really done an apples to apples test means there isn't good data. Oil engineers think their new additives do the trick, but all the evidence is anecdotal.

Interesting argument here that thinner oils provide less wear protection. You could argue that cold, thinner oils circulate and coat more quickly...
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Old 12-13-2018, 11:15 AM
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I read about the last 20 pgs of posts. A lot to digest. Bottom-line question:

For my recent top end re-build 79 SC with cat delete I am thinking of using Delo 400 LE SAE 15-W40; any particular thoughts?

I live in the NE and drive only 45F+ temps. From what I have read, this has a higher viscosity than typical W40.

I am NOT trying to engage in a debate - just asking a q.

Thanks

Jason
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Old 02-02-2019, 02:13 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #2186 (permalink)
 
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FWIW... I am now running on a 3.2 engine:

Liqui Moly Touring High Tech 20W50 (mineral oil)

and

Liqui Moly MoS2.

This oil is used in Germany in many of these cars, and my initial impressions are that the engine runs smoother and cooler. I have been using MoS2 for the last 2 years and being a solid lubricant I am convinced it is a good thing for cold starts and valve train wear.
Old 02-02-2019, 02:20 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #2187 (permalink)
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Quote:
Originally Posted by adias View Post
FWIW... I am now running on a 3.2 engine:

Liqui Moly Touring High Tech 20W50 (mineral oil)

and

Liqui Moly MoS2.

This oil is used in Germany in many of these cars, and my initial impressions are that the engine runs smoother and cooler. I have been using MoS2 for the last 2 years and being a solid lubricant I am convinced it is a good thing for cold starts and valve train wear.
MoS2 is described as a solid compound (not a liquid) despite its low friction lubrication properties; also described as an oil additive. Not sure about the Liqui Moly, MoS2 product.

https://www.google.com/search?client=firefox-b-1-d&ei=NTpWXMe-KYiB0wKB7qKADQ&q=is+MoS2+a+liquid+lubricant%3F&oq=is+MoS2+a+liquid+lubricant%3F&gs_l=psy-ab.3..33i299l2.25300.27371..27827...0.0..0.105.822 .8j2....3..0....1..gws-wiz.......0i71j35i39j33i10i299j33i10.JYGPje3OfoI
Old 02-02-2019, 03:59 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #2188 (permalink)
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new 3.2 US Spec bottom up rebuild. Engine builder went with 20W50 Motul dino.
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Old 02-02-2019, 04:06 PM
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Quote:
Originally Posted by LIRS6 View Post
I read about the last 20 pgs of posts. A lot to digest. Bottom-line question:

For my recent top end re-build 79 SC with cat delete I am thinking of using Delo 400 LE SAE 15-W40; any particular thoughts?

I live in the NE and drive only 45F+ temps. From what I have read, this has a higher viscosity than typical W40.

I am NOT trying to engage in a debate - just asking a q.

Thanks

Jason
Looks good to me. I used this oil for 20 plus years, no problems. Has appropriate zinc / phosphorus and is a conventional oil.
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Old 02-02-2019, 04:20 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #2190 (permalink)
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Quote:
Originally Posted by 911pcars View Post
MoS2 is described as a solid compound (not a liquid) despite its low friction lubrication properties; also described as an oil additive. Not sure about the Liqui Moly, MoS2 product.

https://www.google.com/search?client=firefox-b-1-d&ei=NTpWXMe-KYiB0wKB7qKADQ&q=is+MoS2+a+liquid+lubricant%3F&oq=is+MoS2+a+liquid+lubricant%3F&gs_l=psy-ab.3..33i299l2.25300.27371..27827...0.0..0.105.822 .8j2....3..0....1..gws-wiz.......0i71j35i39j33i10i299j33i10.JYGPje3OfoI
Yes, molybdenum is a solid lubricant, thus its value in coating moving parts, just like graphite...
Old 02-02-2019, 07:32 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #2191 (permalink)
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