Seltos with Gamma T-GDI on Rotella T6?

I do still check this thread from time to time, so any new comments are not in vain.

I've been using M1 5W30 for the past 2 years with changes every 6 months or 6k miles. At 14k I also did an intake valve cleaning with CRC. Now at 20k miles and plan on doing a valve celaning at the next service interval. Based on what I read, I do the clening roughly a week prior to the oil change, to make sure most contaminants are washed away with the oil.

The car is running great, the climate is a bit warmer now that we are in Florida.
 
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