Originally Posted By: Peter_480
Originally Posted By: tig1
I have chosen to use 0-20 in my Fords(combined mileage of around 400+K) for the last three engines calling for 5-20. Results: Outstanding oil performance at 10K OCIs.
No doubt using a high quality like M1 has a lot to do with that.
Well .... a 0W20 survives ok in moderate rpm, low load and low/moderate temperature regimes.
Car mechanical components are designed for high rpm AND high load And high temperature regimes concurrently.
Originally Posted By: tig1
I have chosen to use 0-20 in my Fords(combined mileage of around 400+K) for the last three engines calling for 5-20. Results: Outstanding oil performance at 10K OCIs.
No doubt using a high quality like M1 has a lot to do with that.
Well .... a 0W20 survives ok in moderate rpm, low load and low/moderate temperature regimes.
Car mechanical components are designed for high rpm AND high load And high temperature regimes concurrently.