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Hello ladies & gents, Long story short. Have a 1986 MB 560SL that was sitting for about 20 years. Got it running again, in great shape. Has a few small oil leaks, nothing catastrophic. I did replace many engine seals but not all, and some are leaking. Are there any recommended conditioner...

So this was an 8k mile sample with Liqui-Moly Molygen 5w30. The truck has 176k miles on it now, so I'm not surprised its not perfect. High lead usually means bearing wear from what I've been reading, but that's not a common problem on the LS motor, is it? Any input? Thanks, Cyrus

Hello all, I have a 2007 Chevy Tahoe - 5.3L FlexFuel engine with 170k miles on the clock. About 3k miles ago I switched from M1 5w30 High Mileage to LiquiMoly Molygen 5w30. For the past 1-2k miles I've noticed a lifter tick when cold - it does go away once warmed up. I am assuming this is a...

Well I decided to try some Kreen in my 160k-mile 2007 Tahoe. The first owner (who had it the first 120k miles) took good care of the car but the second owner.. not so much. The car was burning about 1 quart of oil every 3k miles (very common with the 5.3L and no big inconvenience), but the real...

I was wondering if there was any harm in keeping Kreen in my oil for 5000-6000 miles? The reason being I just changed my oil and my first bottle of Kreen just arrived -- I'm too impatient to wait until I'm closer to my OCI! I understand the Kreen burns off quickly but the carbon deposits will be...

Hi everyone, Amateur shade-tree mechanic here . I changed the plugs on my 2007 E63 AMG this past weekend, the car has 63k miles and has been well-maintained. When pulling the plugs, I noticed some had some oil on the threads (cylinder #8 was probably the worst) - is that anything to worry...