Heat Soak Spikes and Thinner Oils

[Y_K]

Aside from the usual marketing nonsense they expand on the heat soak spikes for stop-and-go + switch on-off HD operators. UPS, Fedex, utility vehicles, etc.

And to top it off:

Also, to help promote use of the new Delo 400 SD engine oil, Gambrill noted that Chevron is offering five free oil analysis tests for every 10-gallon purchase as a way to demonstrate its effectiveness to customers.

From Fleetowner article here

 

[MolaKule]

Pretty good article, so is your comment a complaint about something?

 

[OneEyeJack]

I think it's an indication that Chevron realizes that you don't mess with a man's tools or his oil. Everything else is fair game.

 

[CT8]

Lots of problems with the new engines and the emission controls/after treatments.

 

[dustyroads]

I saw that article when it first came out but reading it again I'm reminded of something mentioned in that article. It says in severe duty use, especially in over the road use of the Delo SD, the drain interval needs to be shortened 30-60%.

Am I misreading that? If not, I don't understand why the Delo SD would require such a decrease in the OCI. I thought it was an oil with less VII's. I can't imagine the starting TBN would be so low to require that much of a cut. If I'm missing something obvious, call me a moron but I don't get it.

Can anyone straighten me out?

Edit: would also like to inform everyone that the free oil analysis' offer ended last december. The article was written last september.

 

[Ramblejam]

Originally Posted By: dustyroads
Can anyone straighten me out?


"One rule of thumb Gambrill stressed for the new Delo 400 SD engine oil blend is that in severe-duty truck operations, especially in over-the-road applications where fuel economy is in the mid 5 mpg range, oil drain intervals need to be shortened some 30% to 60%."

Delo SD is neat product that Chevron sees a marketable niche for. Regardless, it isn't a magical elixir, and OCI's aren't going to be altered:

 

[dustyroads]

Originally Posted By: Ramblejam
Originally Posted By: dustyroads
Can anyone straighten me out?


"One rule of thumb Gambrill stressed for the new Delo 400 SD engine oil blend is that in severe-duty truck operations, especially in over-the-road applications where fuel economy is in the mid 5 mpg range, oil drain intervals need to be shortened some 30% to 60%."

Delo SD is neat product that Chevron sees a marketable niche for. Regardless, it isn't a magical elixir, and OCI's aren't going to be altered:

Everything Chevron says to promote the Delo SD makes sense to me until I see the part about shortening oci's. I don't see why it would have such a low TBN or if there's more to it than that...what is it?

 

[CT8]

Marketing works !

 

[Garak]

Originally Posted By: dustyroads
I can't imagine the starting TBN would be so low to require that much of a cut. If I'm missing something obvious, call me a moron but I don't get it.

I am presuming they're targeting vehicles that spend a great amount of time idling, or in very low speed local traffic.

 

[dustyroads]

Originally Posted By: Garak
Originally Posted By: dustyroads
I can't imagine the starting TBN would be so low to require that much of a cut. If I'm missing something obvious, call me a moron but I don't get it.

I am presuming they're targeting vehicles that spend a great amount of time idling, or in very low speed local traffic.


Yeah, that's a good presumption I guess. However, since last fall they've had giant posters hanging on the walls of full service truckstops promoting the SD oil. The vast majority of trucks going in for service there are class 8 OTR trucks. The posters don't warn of the shortened oci if used in OTR trucks.

At one time I was anxious to try the stuff, but my interest is waning.

 

[Garak]

I'm sure it would do fine with a longer drain by mileage, assuming it's long haul, not short haul or local.

 

[dustyroads]

Yeah, they do say to shorten the interval in severe duty, especially in otr trucks averaging 5.5 mpg. Most of us do much, much better than 5.5 these days so that would help a lot.

 

[Jetronic]

severe duty means shorter oci in every vehicle I've ever encountered...

or turned around, light duty means extended oci....