changing back to mineral oil from synthetic oil ??

Submitted: Saturday, Jun 26, 2010 at 15:02
ThreadID: 79651 Views:4027 Replies:4 FollowUps:3
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coupla years back i was talked into changing over to synthetic oil in my old Toyota Landcruiser HJ61 Sahara ( factory turbo ) , well i took the advice but find because the old girl uses a drop of oil and also leaks a bit too that it is becoming quite expensive and wondered has anyone ever successfully changed back to mineral oil ??
Any advice appreciated !!
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Reply By: Member - Trouper (NSW) - Saturday, Jun 26, 2010 at 15:06

Saturday, Jun 26, 2010 at 15:06
Brian, What makes you think there would be a problem going back to minerals.

Regards...........................Jeff
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Reply By: Brian - Saturday, Jun 26, 2010 at 15:12

Saturday, Jun 26, 2010 at 15:12
thanks for your prompt reply Jeff , not saying there will be a problem , as i'm not a mechanic ; just asking the question !
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Reply By: Member -Dodger - Saturday, Jun 26, 2010 at 15:30

Saturday, Jun 26, 2010 at 15:30
There is no problem at ill in changing back.
My neighbor did this for the same reasons and all he did was to get the engine up to normal temps then simply drained it and changed the oil filter.
That was around 40K ago, and believe it or not the oil leaks have stopped as well as a reduction in oil usage however this could be the result of oil leaks taking up.
I have driven his yota many times and have not noticed any difference in performance.
I used to have a handle on life, but it broke.

Cheers Dodg.

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Follow Up By: Brian - Saturday, Jun 26, 2010 at 19:56

Saturday, Jun 26, 2010 at 19:56
thanks for the advice fellas , yes i'm gunna do it !
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Follow Up By: Brian - Sunday, Jun 27, 2010 at 17:08

Sunday, Jun 27, 2010 at 17:08
And thanks to you too Dodger ( Dodgin what ??!!)
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Reply By: jophca - Saturday, Jun 26, 2010 at 22:34

Saturday, Jun 26, 2010 at 22:34
There is no problem with the change from synthetic to mineral oil or vice versa as depending on the make and type of oil use it may be blended oil. Oil call “Synthetic” is probably blended E.G. Mobil Formula S 5W-30 Product Description Mobil Formula S 5W-30 is a premium semi-synthetic engine.
A “Full Synthetic” E.G. Mobil 1 0W-40 Most Advanced Performance Synthetic Engine Oil. I am involved in petro chemical supply industry and am not to try to promote one product against another more info is available on most oil companies web sites.
John C
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Follow Up By: Brian - Sunday, Jun 27, 2010 at 17:09

Sunday, Jun 27, 2010 at 17:09
Cheers Jophca
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