HAVOLINE 5W-30

[westex39]

Is Havoline 5w30 conventional motor oil group III? Or will I have to use a synthetic blend to get group III?

Thanks

 

[AndyH]

Havoline is a Group II+, IIRC.

 

[dave1251]

The synthetic blend is more than likely group II/group III blend.

 

[Ray H]

I can believe Havoline conventional blends contain Group II+, but what is the actual evidence of that to the exclusion of Group II? There's nothing on the bottles or Chevron Oil Company's website that gives the base oil specifics. MSDSs only indicate the viscosity CAS numbers, not the base oil quality other than to state something along the lines of "severely refined mineral oil". That description could include Group II through Group III base oils - Groups II+ and III being mo' severely refined than Group II. Few blenders go into base oil specifics for public dissemination.

 

[Hirev]

You would have to buy Havoline synthetic to get a full group III from them. Synthetic blends are conventional oils with only a percent of synthetic (Group III or higher).

quote:

---

I can believe Havoline conventional blends contain Group II+, but what is the actual evidence of that to the exclusion of Group II? There's nothing on the bottles or Chevron Oil Company's website that gives the base oil specifics.

---

RayH Check this out. I found this on Chevrons web site.

Why was Group II+ base oil developed?
ChevronTexaco produced the first Group II+ base oil commercially in 1998. It is the most cost effective base oil for 5W-20 and 5w30 passenger car engine oils of GF-3 quality. Group II+ has higher VI, which translates to improved (low-temperature) cold cranking performance and lower volatility. The cold cranking performance of a 5W-XX engine oil is measured at -30°C using a Cold Crank Simulator, and the volatility of the engine oil is measured using the Noack Test, which simulates oil evaporation in an engine-like environment.

At our Richmond, California refinery, we make Chevron 5R, a high-purity Group II+ base oil with optimized viscometric properties and volatility for making 5W-XX engine oils. There are now four producers of Group II+ in North America.

 

[mechtech]

That's good to know. I thought regular Havoline 5w30 was a Group II oil.

 

[427Z06]

Q&A...Meeting GF-4 Group I vs. Group II:

http://www.chevron.com/products/prodserv/BaseOils/gf4_faq.shtml

"Group I+: Still high sulfur and low saturates, but processing conditions have been adjusted to make higher VI. This higher VI, in the range of 100-105, gives better cold cranking and Noack performance, enabling these base oils to be used in 10w30 engine oils with minimal Group III or Group II+ correction fluids."

"Group II+: Adjusting processing conditions, several refineries can make these oils with 110-120 VI. This enables significantly improved CCS and volatility, making it possible to blend 5W-20 and 5w30 GF-3 and GF-4 engine oils using these oils without any correction fluids."

 

[77GrandPrix]

Some time back I emailed Chevron and asked if Havoline oils produced in the US were made using Chevron base oils exclusively. Chevron's reply was that Havoline and other Chevron lubricants are made using Chevron base oils as well as base oils made by other companies. It depends on where the blending facilities are located. I agree with RayH that there is no way to be certain of which base oil is used in all Havoline oils.I'm sure that this holds true for all of the blenders.

 

[jorton]

Are Chevron and Havoline 5w20 and 5w30 the only g2+ PCEO's available in North America?