Shell rotella t 15/40

[Quattro Pete]

Originally Posted By: FL_Rob
He's a new member looking for advise.New folks should be given time before getting flamed on vis, additives,and grade selection,

So, we should just pat him on the back and allow him to continue in his backward ways until he has at least 1000 posts?

He came to ask questions and he's getting straight answers. It's up to him what he does with the advice he's been given.

 

[KCJeep]

Originally Posted By: ChevyBadger
If you really want to try Rotella why don't you try t5 10w30? That's more reasonable for your 4.6 . IMO

 

[Donald]

Originally Posted By: Allterrainjeeper
So my question is this. I've heard a lot of people use shell in there gas engines because it keeps things clean and is a really good oil. I mean 15w40 isn't that heavy of an oil. I use 20/50 conventional oil in the summer time because of my high mileage. Other than different additives what's wrong with using shell in a gas engine. What do you all think.


Why not 5W40, T6?

 

[WiskyBadger]

Originally Posted By: Donald
Originally Posted By: Allterrainjeeper
So my question is this. I've heard a lot of people use shell in there gas engines because it keeps things clean and is a really good oil. I mean 15w40 isn't that heavy of an oil. I use 20/50 conventional oil in the summer time because of my high mileage. Other than different additives what's wrong with using shell in a gas engine. What do you all think.


Why not 5W40, T6?

Another good point.

 

[Oil Changer]

T5 or T6 would be better. I applaud you if you can wear either one of those out.

 

[bvance554]

Originally Posted By: Quattro Pete
Originally Posted By: FL_Rob
He's a new member looking for advise.New folks should be given time before getting flamed on vis, additives,and grade selection,

So, we should just pat him on the back and allow him to continue in his backward ways until he has at least 1000 posts?

He came to ask questions and he's getting straight answers. It's up to him what he does with the advice he's been given.

Yes, because only someone with 23244 posts on an oil forum would consider it to backward.

 

[Quattro Pete]

Quote:
Yes, because only someone with 23244 posts on an oil forum would consider it to backward. grin

I am not the only one in this thread thinking he's running an oil that's thicker than needed, am I?

 

[Red91]

No. If it has to be HDEO, I'd recommend Delo XLE 10w30. Soon though, we'll have 5w30 HDEO in the states.

 

[Clevy]

Huh.
We've got 0w30 hdeo's here.
Ya. Something America doesn't have. Even though we probably pay double for it

 

[bvance554]

I don't see a need to run an oil that thick, but he said he is aware of the viscosity and only wanted to know if this had harmful additives being an oil designed for a diesel engine. Heck he has lowered viscosity from the 20w-50 that he was using. Either way I doubt his choice of oil is harming anything be it from viscosity or additives.

BTW I was just busting your chops about the posts comment Quattro. All in fun.

 

[Red91]

Nope, no 0W-30's or 5w30's in the states. At least, not that I know of. If I'm wrong feel free to correct me. I've been interested in Delo's 0w30 for some time, and it would be exciting news to hear of a distributor in the U.S.

 

[yaris0128]

Rotella T 15w40 is fantastic oil!!! I dont know if Id use it in a car haha but I use the stuff in both my motorcycles when I do my own changes. They run superb on that flavor.

 

[krismoriah72]

I think 20w50 is best for harleys with the high tolerances.
15W40 is for diesel engines 400-800 cubic inches

Nascar engines qualify with 0w20 and race with 5w20


I do understand where some people think the heavier the oil the better its protecting the engine but its actually the opposite.. lighter oils circulate better and lubricate the tight clearances of modern engines.

 

[dave1251]

Originally Posted By: Quattro Pete
Quote:
Yes, because only someone with 23244 posts on an oil forum would consider it to backward. grin

I am not the only one in this thread thinking he's running an oil that's thicker than needed, am I?



I agree. Even with a modest performance engine upgrade 20W50 is not the optimal choice of grade IMO for a 4.6 Modular. Unless there is a mechanical issue the OP is attempting to mask.


OP how many miles do you have on your 4.6? Any oil consumption? Any unresolved mechanical issues? Or are you making the assumption to use a thicker grade because of mileage?

 

[BillyTheKid]

Originally Posted By: krismoriah72
I think 20w50 is best for harleys with the high tolerances.
15W40 is for diesel engines 400-800 cubic inches

Nascar engines qualify with 0w20 and race with 5w20


I do understand where some people think the heavier the oil the better its protecting the engine but its actually the opposite.. lighter oils circulate better and lubricate the tight clearances of modern engines.


No always true. All depends on the builders clearances and specs.

 

[AdRock]

If there are no mechanical issues, big leaks, or oil burning with the engine I'd suggest trying out the M1 5w30 HM. My 2002 GT has the 4.6. I run it hard and always have. This oil has been working really well.