Valvoline EP 5W-30, 5000miles. Toyota GR86

  • Thread starter Thread starter Al
  • Start date Start date
Based on VOA, oil didn’t shear at all. It would be good to have oxidation at next UOA.

His report shows an oxidation of 15.

At 8k miles, I don’t believe the silicone is too high, especially when the VOA shows a level of 16, pre-use.
 
His report shows an oxidation of 15.

At 8k miles, I don’t believe the silicone is too high, especially when the VOA shows a level of 16, pre-use.
Ah missed oxidation.
His car is fairly new, silicone could still be around. Not sure it is negligible.
 
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