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What problems can result from switching from synthetic oil to regular motor oil?

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  • Anonymous Mar 14, 2014

    cab synthetic oil be mixed with regular oil


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This is a can of worms as everyone will have a different opinion. My experience has been no problems at all. The benefits of synthetic are so great that there really is no other choice. The cost is really not that high when you consider that you can extend your service intervals. This oil flows more rapidly when the engine is cold and cold starts are the highest wear cycle the engine sees. Synthetic does not breakdown at high temperatures so it prevents coking around the rings. Seized piston rings cause low compression and oil burning. It won't fatally contaminate an engine with sludge like standard oil. Do a quick google search of "toyota sludge" or "chrysler sludge" Many manufacturers today will not honor their warranty unless you use it.

Posted on Mar 10, 2009

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There really are no problems that can occur from switching oils. Just be sure that when you switch, you make sure you do it at your next oil change service, do not mix conventional motor oil with synthetic oil. I would recommend staying with the synthetic oil, but if it is a cost issue that is making you switch back, you can also use a synthetic blend oil, which has most of the same benifits as the full synthetic, buut at about half the cost. Hope this helps.

Posted on Mar 10, 2009

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Virtually all synthetic oils are compatible with any other oil (never saw one that was not) Even in an older engine they perform very well and can actually add years more life even to components that have slight wear.
The only thing that would prevent you from using a synthetic would be oil leaks as synthetics are more expensive and you don't want to be dripping your money on the ground.(some really good synthetics cost up to $9.00 per quart) I also would refrain from using a synthetic in an engine that is full of sludge, without first using a quality engine flush first, as synthetics tend to loosen and dissolve sludge so well it can sometimes block up the pickup screen on the pump.
For a good comparison, google "noac volatility tests".

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OIl, synthetic or regular, what's the difference?

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Heres the link to an explaination from Castrol
I use conventional Oil in my jimmy with 5% of Lucas engine oil treatment and service the engine every 3,000 miles. I find it to costly for the Synthetic oil every 3,000 miles, and as for the high mileage oil you can buy. The high mileage oil has a higher fluid retention like adding Lucas engine oil treatment to any conventional oil, so you decide on what type of oil you like to use in your engine.
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Can i switch from regular engine oil to synthetic oil as long as i get the appropriate filter

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Synthetic or stay with regular oil ?

I would not change to synthetic. The Paseo engine is not designed for it, and the benefit of synthetic oil will not be realized. Save your money, and stay with the regular oil.

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Change from regular to synthetic oil after 20,000 miles

No you should not have any problems once the car is broke in. but some of the little things you will notice is a little better fuel mileage. and less wear on your engine now keep in mind that synthetic oil should still be changed at the regular intervals. I just finally switched all my cars over to Synthetic. and hear is a few of the cars 1976 Dodge. and my 1968 dodge polara.
hope this answers your question
and I highly Recomend Switching your Differential Fluid to Synthetic also.
Please rate me if you wouldnt mind
Thank you

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1. You need an oil filter made for your year and model of bmw.
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