Quote:
Originally Posted by Golddots
I've been using 5w50 m1. I also noticed that my vehicle warms up faster than 10w60. At least as quick as when I was using 0w40.
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The HTHS viscosity is 4.4 for the M1 oil which is quite a bit lower than either the Redline (5.0) or the Castrol 10w60 (5.6). Have any of you done any oil analysis to see if there is any engine wear with those oils? I've been using Ravenol 10w50 (5.4) and haven't seen any signs of engine wear in my Blackstone reports.