A place for more technical discussions. Please make sure you post in the correct section on the site, this way it keeps the site tidy AND ensures you get a more relevant answer.
from having a search on youtube I'm now wondering if it's noisy lifters.....does that make sense. don't make the noise at idle. But yup it increases with engine speed but not in over run or w slowing up. Closest thing I could find, maybe try some of the additive next oil change