Just had my oil changed in the fj today (4,700 mi.) Told the tech to put the synthetic in - he said "next time". Manual suggests after the 10K mark. What do you guys (and gals) think? This oil change was a "freebie", so the rest of them I will do with Royal Purple!
I have read many articles on oil in many well respected mags and online.
Your rings will be well seated in the first couple hundred miles of use, and thats the only concern with synthetic oils. Remember, alot of new cars, trucks, and motorcycles come from the factory with synthetic oil.
In the past 15 years I have had numerous new motorcycles and vehicles and I have been on Mobil 1 at 1000 miles (I always change oil at the first 1000 mile mark). I have never had a problem either.
The way I see it is if Dodge, Chevy, Ford, Mercedes Benz, BMW, Jag, Honda, Suzuki, Yamaha, Ducati, Huqvarna, KTM. (and the list goes on) can put Synthetic oils in brand new vehicles from the factory, and we dont see any ill effects on these vehicles. If anything, Synthetic oils would be worse on a worn motor because the more slippery synthetic oils would get past worn rings easier.
I did Royal Purple at 3500 miles, I will do the next oil change at 13500 miles. I do it every 10,000 miles like the oil manufacture reccommends. Running Syn. in the long run, works out to be the same if you change it every 10000 miles, opose if you bought the cheep stuff and did it every 3000 miles.
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I changed over to synthetic at 7,000. I think it's a good move. Some folks think it's a waste of money but I've always thought it was a good investment. I have always used Castroil Syntec.
Location: Far back in the mountains near the tall, dark, green woods. North of WAZZU South of BC
Posts: 249
Re: Synthetic oil after 10,000 mi?
Manual also says that once you change to a synthetic, you must stay with
it.
Consumer Reports unbiased report says that synthetics are a total waste of
money. They don't hold up any better than dino oil. Big Oil company hype..
CR's gruely test in taxi cabs showed no advantage of going to synthetic oil, except that they may last longer, 6000 miles vs a little more with synthetics.
Changed with dino @ 800 miles and again at 3,000 miles...Change all my fluids (diffs., trans, transerfer case, etc.) to Redline synthetics @6k miles...Noticed a huge diff. when I was pulling out of the mechanics...Going to flip the engine oil every 5k miles or so...I wheel least once a month on an all day wheelin' trip...
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TLCA#16831
2007 Ti. Silver FJ -Project "Trl Makr"
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