Pennzoil Platinum 5W-40

[JBRIII]

Can someone tell me if the Pennzoil Platinum 5W-40 is a group III base? I am using it for my Auto-RX rinse phase and if it's group III it should be OK. I know most of them have changed but was unsure about the 5W-40. Using it in my 02 Land Rover.

Thanks,

John

 

[JAG]

Ask Frank to get the best answer. I'd guess it's ok to use.

By the way, where did you get this oil and for how much?

 

[JBRIII]

I read some of his replies and he mentioned PP as a good oil to use as it is a Group III. Just was unsure if this grade was.

I got it at the local Pennzoil 10 minute Oil Change Center.

 

[wavinwayne]

I've read somewhere on BITOG that Pennzoil Platinum 5w40 is re-badged Shell Helix Ultra, which is a Group III oil.

Johnny might know for sure. He used to work for Pennzoil.

 

[JAG]

From what I've read, a good rinse oil is not a matter of Group 3 or PAO (both are very non-polar), it's a matter of whether the oil has significant ester content. The esters interfere with Auto-RX's esters. PP doesn't use significant amounts of esters from what I've heard so that's why I think any PP is ok as a rinse oil.

Thanks for the answer about where you got this hard to find oil.

 

[wood_e]

I wouldn't use any synthetic for an ARX clean or rinse. Just go get some Super Tech 5w30. No need to waste expensive oil if its going to be drained quickly.

 

[JBRIII]

This will be in for 2,000 - 2,500 miles. Money isn't really the issue, only the best oil that will work with this application.

 

[JBRIII]

JAG - didn't see the cost ? I had them change it. The full service with 7 quarts was $63. The 7th was to use as a topoff if needed. Used my own WIX Gold Filter. It was 24 degrees yesterday and decided to have someone else do it for me this time.

John