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Switching from Conventional Oil to Synthetic: How to go about it?

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Old 01-30-2018
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Icon5 Switching from Conventional Oil to Synthetic: How to go about it?

So I have been using conventional oil with my truck, its a 3.0L v6 engine, and I have been considering going to synthetic but I heard there are issues in switching between the two so I wanted to get some thoughts and advice for making the switch.

I have about 109,000 miles on it, does that add anything to how I should choose a synthetic, like is there a high mileage formula or something? Are you able to just switch between conventional to a synthetic with just a basic oil change or is there more involved? I had heard that you can cause some pretty big issues for your engine making a switch between conventional and synthetic but I don't know if its if you go one way (conventional to synthetic) or the other (synthetic to conventional). And is there anything new I should keep in mind about a synthetic oil ? I hear synthetics last a lot longer so there will be fewer oil changes in general.

Thanks a bunch guys!
 
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Old 01-30-2018
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Just a basic oil change. No need to overcomplicate things.
 
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Old 01-30-2018
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Remove regular oil, insert synthetic oil.

The whole conventional to synthetic switching thing is a myth. You can switch back and forth from one to another at any time. Nothing special needs to be done.

you can run high mileage formula if you want up to you. I don't think they do much. I like regular Mobil 1. And personally I don't wait any extra time between oil changes, I still do mine every 3k. You should go by what your owners manual says, not what the oil can says.
 
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Old 01-30-2018
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Highly recommend Castrol Edge high mileage full synthetic. Coming from Motorcraft semisynthetic.
 
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Old 01-30-2018
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Originally Posted by Apexkeeper View Post
Remove regular oil, insert synthetic oil.

The whole conventional to synthetic switching thing is a myth. You can switch back and forth from one to another at any time. Nothing special needs to be done.

you can run high mileage formula if you want up to you. I don't think they do much. I like regular Mobil 1. And personally I don't wait any extra time between oil changes, I still do mine every 3k. You should go by what your owners manual says, not what the oil can says.
Honestly, u can go a lot longer than 3k between changesrunning synthetic..... my Honda I was running mobil1 and changing every 10k, when I adjusted the valves around 84k the motor looked like it was still brand new inside....I run Amsoil now and still use a 10k intervals on all 3 cars... just make sure to use a good filter
 
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Old 01-30-2018
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The issue with a longer time between oil changes is not the oil but the filter. A filter will last about 5k miles under normal conditions. If you go synthetic and push you service interval to more than 5K change your filter at the 5k mark or earlier.
 
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Old 4 Weeks Ago
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Went to the Pennzoil oil changing shop recently. My 4.0 2011 has 110,000 on it. I ask about other brands of oil and they would put in what I ask for. Mobil 1 full synt. They dumped out the reg. oil from Ford Service Center, and used a crankcase flush fluid. Then poured-in the Mobil 1. I'm going to run it for 5000, then I'll report on it.
 
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