Kiwioilboiler
346 Pic Examiner
- Local time
- 3:50 PM
- User ID
- 12322
- Joined
- Apr 20, 2020
- Messages
- 9,476
- Reaction score
- 62,013
- Location
- Marsden Pt, NZ
![New-Zealand Country flag](https://opeforum.com/data/files/flags/shiny/32/New-Zealand.png)
5W-40 Rotella T6 is almost a victim of its own success there ay. Folks would me much better served by Helix Ultra in the gas engines that it suits. I run HU 5-40 in our K24 Honda and the 3.2 Diesel in my FordMazda. But I researched the shyt out of it before doing so.+1 Ever since Rotella reduced the zddp levels in their T6, the additive is a good idea. When I inquired about why they dropped the levels, I was told that too many people were trying to run T6 in their modern gasoline vehicle, and the zinc kills catalytic converters.