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Engine & DrivetrainDiscussions about the engine and drivetrain of your vehicle.
This is a discussion thread titled "When to - Synthetic Oil change", within the Engine & Drivetrain forum, part of the Technical & Vehicle Assistance Forums category.
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Hi,I switched at 1500.I changed the oil at 300 and 1500 miles.At 1500 I switched to Mobil 1 5w30.I now drive about 4000-5000 miles-highway mainly-between changes.It costs about $30 for the oil and $6 for the Toyota filter,so it is a little cheaper than a quick change oil place(about $60).For some reason the quick change oil places charge more for the "work" of the oil change when you want Syn oil.The oil and filter must be about $8 of the $20 oil change..Charlie PS I don't see any good reason not to immediately switch to syn oil.There isn't as much "breaking in" as there used to be,and even if there is,it will still happen with Syn oil-maybe a little slower,but so what?
The only good reason I've seen for not switching to syn oil right away is that a couple of early changes of cheap regular oil will get any manufacturing debris or break-in metal particles out of your engine.
Originally posted by tundrawes I am thinking about changing to synthetic oils when I hit 30,000. Just curious to what opinions I get. What does everyone think?
-Wes
While some vehicles come with a factory fill of synthetic (immediate use), Redline does specifically recommend that you don't use their oil until after the 3,000 mile mark (which would have been a conventional oil break-in).
I don't believe any wait before going to synthetic oil is neccesary.
The fact that some engines have it from the factory proves that.
Those engines are no different than any other. I have switched
to synthetic at the anywhere from 1000-3000 miles on four
different vehicles and have had no problems. Only the Cummins
diesel ever used any oil and it stopped after about 10000 miles or
so which is normal for a diesel. None ever used any later including a 1976 Chevy with 175000 miles on it. Most synthetic
oil makers say to change with dino oil once or twice to get out
any swarf left from machining though.
Originally posted by moosehead9 I don't believe any wait before going to synthetic oil is neccesary.
The fact that some engines have it from the factory proves that.
Those engines are no different than any other. I have switched
to synthetic at the anywhere from 1000-3000 miles on four
different vehicles and have had no problems. Only the Cummins
diesel ever used any oil and it stopped after about 10000 miles or
so which is normal for a diesel. None ever used any later including a 1976 Chevy with 175000 miles on it. Most synthetic
oil makers say to change with dino oil once or twice to get out
any swarf left from machining though.
I don't think it's so much "problems" but things like expedient piston ring break in will optimize fuel usage (and power) sooner.
Eventually, everything will break in, but sometimes it's a matter of getting some parts to break in faster. The only thing that will suffer is efficiency. Not longetivity.
If you're swapping dino at 1,000 or 2,000 miles - well, there isn't any real advantage over synthetic unless you're really hammering the oil. Which won't happen in a normal "street" vehicle.
When to - Synthetic Oil change
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