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#3307129 - 03/10/14 12:44 PM Rotella non-Synthetic in WRX turbo with 165k miles
PeteGalt Offline


Registered: 06/03/13
Posts: 3
Loc: Colorado
All,

My mechanic accidentally used the non-sythetic variant of Rotella when changing my oil (I blame myself since I didn't specifically call out synthetic or provide the oil myself).

My question to the forum, how long can I go before changing the oil?

I'll have the UOI from the previous sample in a week or so, if that helps sway the decision any.

Thanks all.

-Pete in Colorado

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#3307148 - 03/10/14 12:57 PM Re: Rotella non-Synthetic in WRX turbo with 165k miles [Re: PeteGalt]
Rand Offline


Registered: 08/20/03
Posts: 10673
Loc: NE,Ohio
which one did he use?
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2015 Forester I-Premium 6MT

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#3307153 - 03/10/14 12:59 PM Re: Rotella non-Synthetic in WRX turbo with 165k miles [Re: PeteGalt]
rjundi Offline


Registered: 03/16/04
Posts: 7256
Loc: USA
I have been doing OCI of 4000 miles with random non synthetic in our 2005 Legacy GT over 9yrs/165000miles (2.5L turbo) and zero problems or issues.

I would not sweet it, just dump at 4000 oci or whatever makes your comfortable.
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#3307154 - 03/10/14 12:59 PM Re: Rotella non-Synthetic in WRX turbo with 165k miles [Re: PeteGalt]
Lolvoguy Offline


Registered: 02/06/14
Posts: 1084
Loc: Canada
5k to be safe
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#3307166 - 03/10/14 01:10 PM Re: Rotella non-Synthetic in WRX turbo with 165k miles [Re: PeteGalt]
BillyTheKid Offline


Registered: 10/12/11
Posts: 450
Loc: ny
I am running the regular Rotella 15-40 in a turbo motorcycle that I am pretty certain would be taking more of a beating than your car, and I don't worry too much. However, I don't do all that many miles...but they are hard miles and extreme temps (no oil gauge but know how hot the thing is running).

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#3307258 - 03/10/14 02:05 PM Re: Rotella non-Synthetic in WRX turbo with 165k miles [Re: rjundi]
wemay Offline


Registered: 04/04/12
Posts: 6163
Loc: Florida
Originally Posted By: rjundi
I have been doing OCI of 4000 miles with random non synthetic in our 2005 Legacy GT over 9yrs/165000miles (2.5L turbo) and zero problems or issues.

I would not sweet it, just dump at 4000 oci or whatever makes your comfortable.


+1
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