Quote:
Originally Posted by red6spd
But he is still assuming. Especially on start up.
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Well, let's remove the need to assume then!
Redline 5W-30: 62 cST @40C
Mobil 1 5W-30: 61.7 cST @40C
Amsoil 5W-30: 60.3 cST@ 40C
Mobil 1 0W-40: 65 cST @40C
Whether the higher viscosity in cold is
helpful is a bigger questions, but most UOAs seem to indicate the VQs wear less with a 0W oil in them.
If I still had mine and was planning to keep it, I would have no qualms running GC or the M1 oil. I would not go back to a 5W oil though.