JHZR2
Staff member
Originally Posted By: 901Memphis
The engineers specified 5w30 because of the shearing. They knew it would go into a 5w20 range which is acceptable for the engine based on the used oil analysis I've seen.
If they had specified 5w20 combined with these issues then you'd have a problem.
That being said I'd use a euro 0w30 with a higher HTHS before I jumped all the way to a HDEO 5w40. The HTHSV difference is dramatic.
That was my first thought as well.
The engineers specified 5w30 because of the shearing. They knew it would go into a 5w20 range which is acceptable for the engine based on the used oil analysis I've seen.
If they had specified 5w20 combined with these issues then you'd have a problem.
That being said I'd use a euro 0w30 with a higher HTHS before I jumped all the way to a HDEO 5w40. The HTHSV difference is dramatic.
That was my first thought as well.