Had a question about the active fuel managment on GM trucks and cars.
Getting ready to change the oil in a new to me 11 Tahoe 5.3. I have read that using a heavier grade oil like 10w40 may make this afm lifters last longer.
Is there any truth behind it ?
Getting ready to change the oil in a new to me 11 Tahoe 5.3. I have read that using a heavier grade oil like 10w40 may make this afm lifters last longer.
Is there any truth behind it ?
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