Best additive in oil to clean sludge? | BobIsTheOilGuy
2007年8月7日 · I had that engine for 200k miles. Even 5k mile oil change intervals with VW 502 and MB 229.5 oils was too long to prevent varnish, clogged PCV pipes, and partially clogged oil pickup screen. No oil I tried, including Red Line and Amsoil SAE 30 …
Oil additive to clean out sludge and deposits
2024年1月11日 · I then sent the oil in for analysis at the next change and dropped the oil pan after I found sludge in a valve cover. I found more sludge in the other valve cover after another oil change. (It's a boxer engine so 2 opposing valve covers) After research I have found a few different options. 1. Use an engine flush 2. Use diesel oil (Ie Shell ...
How long for oil to turn into sludge? | BobIsTheOilGuy
2011年12月24日 · Oil change interval takes a back seat to engine condition, design, usage, and many other things. Just change the oil using the simple interval/instructions provided by the manufacturer and you'll be fine. There are some examples of sludge prone engines, but problems are usually identified by the mfg and some corrective action taken.
The main reason I change oil at 3000 miles...sludge!
2019年8月14日 · Sludge is the main reason I change the oil every 3000 miles. Most notably I found the best oil to be one with the most detergents. Through my testing and reviews of VOAs I found the best value oil to be Quaker State High Mileage Full Synthetic but the best oil to be the Valvoline family which has detergent rich formulations.
Oil for Toyota 1MZ-FE sludge engine? | BobIsTheOilGuy
2019年5月28日 · The engine is the 1MZ-FE engine that is known for sludge and I bet I have a fair amount of sludge by now. I am afraid to pull the rear valve cover. I switched to full synthetic about 4 years ago and run 5W30. I consume about 1 quart every 500 miles. I have some small oil leaks (valve cover gaskets as well as crank or cam seals).
Sludge Removal from 2019 Infiniti | BobIsTheOilGuy
2021年10月16日 · Most of the others were in the 30-50K mile range, but those folks at least did some oil/filter changes. If she indeed never changed or checked the engine oil in ~3yrs/20K miles, that engine, regardless of what it is, is probably toast. I own a 2019 Pathfinder with this direct injected engine and I do know it blackens the engine oil quickly.
Using ATF to clean out sludged engine? | BobIsTheOilGuy
2012年3月31日 · Additionally, Pennzoil has a high mileage motor oil that could help eliminate these problems. Pennzoil High Mileage Vehicle helps prevent dirt and contaminants from turning into performance-robbing deposits, but also cleans out sludge. It cleans out up to 40% of engine sludge in the first oil change and continues to clean in the second oil change.
Diesel fuel as an engine flush | BobIsTheOilGuy
2009年8月31日 · Personally, I wouldn't do this to an engine unless the sludge was a real PROBLEM- like the one that Shannow described. But in a case like that, I think that running the engine for a day or two with a mix of 40% diesel fuel and …
Liqui Moly Engine Flush: My experience | BobIsTheOilGuy
2005年11月22日 · And even if it is - 15 mins on a flush won't clean the whole engine much. Speaking from experience with a Toyota sludger and hundreds of dollars in various engine flushes. (Wish HPL Engine cleaner was available back then.) What most likely DID happen though, is LM Engine Flush just cleaned up the tiny passages in VVT solenoid.
Best oil to clean sludge - Bob is the Oil Guy
2005年8月15日 · I want to know what is the best oil to use to clean out sludge. I would use Amsoil engine flush at reduce dosage 1/2 oz engine flush per quart of oil but drive the car for about 100 miles before changing oil. Do several 1k OCI's with any dino oil …