Had noisy lifters in a 99 Acura. Shop I took it to did an oil change w/filter using ATF-3 (said ATF is oil with detergents). Ran for about 15 minutes, and then did an oil change using oil, ran for 30 minutes, did 2nd oil change, and told me to drive for 100 miles or 1 week, brought it back and they did a 3rd oil change. I thought they were crazy, but I'll be dammed if it didn't solve my problem.
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