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| # | Post Title | Result Info | Date | User | Forum |
| Answer to: 2016 Ford Fusion S Hybrid | 29Relevance | 4 years ago | Justin Shepherd | Submit Your Question HERE | |
| If there are no problems, then don't use additives. There are really no mechanics in a bottle. My 1999 Ranger has 285,000 miles, it weeps oil from the rear main. Not enough to drip to the ground. The only thing I put in the engine is Pennzoil Platinum 5W-30. Additives aren't necessary if you pick a quality motor oil. If a seal is broken, it's going to leak. Additives do nothing. AT-205 can swell intact, hardened seals, but that's it. This is a bad idea on a high mileage car. Engine oil and filters are cheap, engine work (especially on hybrids) is extremely expensive. You should be changing the engine oil more frequently as the mileage increases. I religiously change my truck's oil every 5k miles, and I drive mainly highway and country (roughly 300 miles a week). I doubt it "looks brand new", oil in every engine turns black from the contaminants the detergents pick up. Even more so in high mileage engines. Also a terrible, terrible idea. The engine was designed for 0W-20, which is very thin and watery oil. 5W-30 is a relatively heavy oil that most lawn equipment and older cars from the 80s and 90s use. Putting that in your engine will wear it out and cause it to start using oil, the engineers designed it for 0W-20, use a high mileage formulation if you want, that car isn't an old GM or Ford V8 that will run on anything from 10W-30 to 20W-50. Old cars had much more liberal tolerances and used much stiffer piston rings, requiring heavy oil to keep lubricated. You can squeeze the piston rings in your engine with your bare hands, the piston rings in a 1965 Mustang would need special tools to put pistons back in the engine. Stick to what is in your owner's manual, and only use that. Engineers know what they're doing. | |||||
| Answer to: Changing oil from semi-synthetic to full synthetic on my 2009 Mazda6 3.7L V6 | 26Relevance | 5 years ago | rpmartin32 | Submit Your Question HERE | |
| It's up to you. I personally have never had any bad experiences even going from conventional to synthetic and back (although I'm sure others will disagree). I'm sure it's even less of a gamble going from semi synthetic to full. Don't worry about it too much. As long as it's clean oil that's the right viscosity, that's the most important thing. | |||||
| Answer to: Should I use synthetic engine oil in my 2018 Focus? | 26Relevance | 3 years ago | Ibrahemove_Ahmedove | Submit Your Question HERE | |
| I have a similar situation Camry 2015 never used full synthetic oil Only mineral oil and synthetic blend Can i use fully synthetic oil without having problems like leaks? The km is 213,000 km wich is around 130k miles | |||||
| Answer to: synthetic oil filter | 26Relevance | 5 years ago | Mark-Snodgrass | Submit Your Question HERE | |
| Generally, today’s oil filters are suitable for both conventional and synthetic oils. I use full synthetic too and get what ever oil filter fits my car at Auto Zone. I generally use STP. I’m not devoted to the brand but can usually get STP 5qt full synthetic and STP oil filter for around $30 give or take a few bucks. | |||||
| Answer to: Seafoam Ultimate Synthetic Oil Stabilizer | 28Relevance | 4 years ago | joshjaks | Submit Your Question HERE | |
| ... Ultimate synthetic oil Stabilizer. It's not thick. Feels very similar to typical oil weight an Asian turbo engine would require on the oil cap. My big question was if the oil stabilizer would help leave a film on the moving parts, would my engine have less wear from cold starts? Living in Idaho, those will happen a lot for me. To the answer. I looked at the MSDS for the Seafoam. The key ingredients that are used for things like knock and coating (from what I can tell) for additional protection are the Zinc additives. Something like Zinc phosphorodithioate ... | |||||
| Answer to: Does Conventional Oil Exist? | 28Relevance | 5 years ago | spijet | Submit Your Question HERE | |
| A lot of modern "Full synthetic" and other synth-blend oils use Group III/III+ base stock, also known as "hydrocracked", "HC-synthetic" or "VHVI" oils. These are basically conventional oils that have been a little bit more refined. It's super cheap to produce and, thanks to old Castrol vs. Mobil lawsuit, can be called synthetic because it was "on par" with true synthetic oils of the time. If you don't want to take the engine apart and change the seals, I'd recommend using a high-mileage oil or some synthetic oil with esthers in it. Esthers help the oil to s ... | |||||
| synthetic oil filter | 26Relevance | 5 years ago | timaay | Submit Your Question HERE | |
| Yes, MR. 2010 rav4 3.5 again. I am having problems finding a cartridge filter for synthetic oil. I was told that regular oil filters need synthetic filters for synthetic oil. Why can I not find one in a cartridge filter, maybe it is not necessary. | |||||
| Should I use High Mileage Synthetic Oil | 26Relevance | 5 years ago | sergiofuccio | Submit Your Question HERE | |
| Hello Scotty! I have a 2005 Kia Spectra with 120K miles in Colorado. Mine since new, super well-maintained, no problems at all. I've always used full synthetic oil and changed every 7K miles. Never had leaks. 1) Should I switch to High Mileage synthetic oil and just keep using regular synthetic? 2) Should I do an engine flush on the next oil change just to keep the engine clean? (never done before) Appreciate your guidance! Sergio | |||||
| Should I use High Mileage Synthetic Oil | 26Relevance | 5 years ago | sergiofuccio | Submit Your Question HERE | |
| Hello Scotty! I have a 2005 Kia Spectra with 120K miles in Colorado. Mine since new, super well-maintained, no problems at all. I've always used full synthetic oil and changed every 7K miles. Never had leaks. 1) Should I switch to High Mileage synthetic oil and just keep using regular synthetic? 2) Should I do an engine flush on the next oil change just to keep the engine clean? (never done before) Appreciate your guidance! Sergio | |||||
| Answer to: Chevy 350 - Conventional or Synthetic Oil? | 26Relevance | 5 years ago | MrShiftright | Submit Your Question HERE | |
| Definitely use synthetic oil. Way back in the 1980s when synthetic was first produced, there were some seal leakage problems due to the formulations being used in syn oil. But that's all been solved, and the advantages of synthetic oil are so great that there's no good reason not to use it. It performs very well in climatic extremes, and doesn't need changing as often. | |||||
| If I drive less, which engine oil is better? | 26Relevance | 3 years ago | duma4 | Submit Your Question HERE | |
| Hey Scotty, In my country, Toyota service stations recommend to change engine oil (regular) every 3000 miles or 6 months which ever comes first. But I don't usually drive much. So the 6 month mark comes before 3000 miles. I have never used synthetic oil. I want to know weather synthetic oil can be useful for more than 6 months so I don't have to change oil every 6 months. Engine oil here is expensive. If synthetic is more feasible to my conditions I don't mind paying extra for synthetic. By the way I own a 1.5L Toyota SUV. | |||||
| FRam oil filters? | 28Relevance | 4 years ago | John.mcdonald1964@yahoo.com | Submit Your Question HERE | |
| Are fram oil filters any good? Or is there a better brand as I will be in the future changing my own oil? And is it okay to use synthetic oil in a new engine. The dealership says its what they use and all new cars have synthetic oil in them today. they use Mobil 1 blend and I plan to use Castrol in the future synthetic when I begin changing my own oil. It’s a 2020 Toyota Tacoma. It has less than 400 miles since I bought it 2 yrs ago. the dealership says bring it in change the oil. I said. Okay. im a long distance truck driver and when I go home I don’t ... | |||||
| Which oil should I use in my 2021 F250 7.3L? | 28Relevance | 5 years ago | fj2olivier@gmail.com | Submit Your Question HERE | |
| ... change the oil which is normally around 10K miles. I plan on keeping the truck for quite a while and estimated having somewhere around 200K or more before getting something else. The owners manual recommends 5W-30 Motorcraft synthetic blend oil. I would like to run full synthetic oil because I think it will make the engine last longer and it would give me more peace of mind. I spoke to the dealer and they said that they would put full synthetic oil and only charge me the difference which I believe is around $3 per quart (truck takes 8 quarts). My quest ... | |||||
| 2007 Chrysler 300 knocking on cold start disappeared after oil change | 27Relevance | 5 years ago | bluzgtr68 | Submit Your Question HERE | |
| ... used. All previous oil changes were done at a different service center and had the correct SAE 5w20 specified. I noticed that on cold start up the engine would have significant knocking and after the engine warmed up the knocking would go away. The engine had full oil and the oil was clean as it had been changed a few hundred miles ago. After watching one of your videos about the importance of using the correct viscosity oil, I quickly replaced the oil and filter using synthetic SAE 5w20 and a new MoPar filter. For the past three days there has bee ... | |||||
| How can I prove that the dealer ruined my 2009 Toyota Corolla? | 27Relevance | 4 years ago | Brucepayne | Submit Your Question HERE | |
| ... and I had all kinds of people to look at it and no one can tell me what's wrong with it, well I finally got an update. The car got worse,a lot worse, that the Toyota dealership even said they have too look further into the diagnosis. Cuz they we're as puzzle as I am, well they came back to me and told me some bad news. They looked inside the engine and told me that I have carbon built up in the engine and oil slug is why the car is acting the way it does. It is so bad that flushing out might make it worse And the dealership recommend me getting a new engin ... | |||||