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Which Oil to Use?
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Old 06 May 2009, 11:29 AM   #1 (permalink)
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Which Oil to Use?

Hi All,

Need to service my car at the end of the month and currently looking for all the service parts...

Need to change all the OILS (Engine, GearBox and Rear Diffs).

Other Scooby forums recommended me to use Millers.
- Millers 10w60 full syn (engine oil)
- Millers 75w90 semi syn (gearbox oil)
- Millers 80w90 semi syn (rear diff)

I see oilman only sells Silkolene, which I used before for my Honda Integra.

Which Silkolene oil is best for my 04 WRX (standrad mods with PPP installed)?

Any suggestion welcome and thanks in advance...

Regards,

J
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Old 06 May 2009, 03:25 PM   #2 (permalink)
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Re: Which Oil to Use?

Can tell ya what i use in my classic,as for later cars hope pete soon sees this.

Motul 300v 15w50 in engine.

Rear Diff an gearbox castrol syntrax/driveline semi synthetic 75w90.


By the way wouldnt recommend millers in the box-made mine more notchier drained a wk or 2 later an went bk to silkolene silktran syn5 (which i were using before at the time)
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Last edited by uk dave; 06 May 2009 at 03:28 PM.
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Old 06 May 2009, 04:37 PM   #3 (permalink)
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I use in my new age 02 WRX.

Engine. Castrol magnatec 10W-40
Rear diff. 75-90 API classification GL-5
Gearbox. 75-90 API classification GL-5
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Old 06 May 2009, 04:54 PM   #4 (permalink)
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Re: Which Oil to Use?

mmm... so really I can use the same oil for the gearbox and the rear diffs?

Read some where that I shouldn't...
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Old 06 May 2009, 05:41 PM   #5 (permalink)
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Re: Which Oil to Use?

Quote:
Originally Posted by BigSeal View Post
mmm... so really I can use the same oil for the gearbox and the rear diffs?
Yes. Its also recommended in the 02 Subaru owner's manual.
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Old 07 May 2009, 10:57 AM   #6 (permalink)
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Re: Which Oil to Use?

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Originally Posted by 2002pete View Post
Rear diff. 75-90 API classification GL-5
Gearbox. 75-90 API classification GL-5
2002pete, where do you get the above oils from and how much would I need?

Can't seems to find them anywhere??
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Old 07 May 2009, 11:39 AM   #7 (permalink)
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Re: Which Oil to Use?

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Originally Posted by BigSeal View Post
2002pete, where do you get the above oils from and how much would I need?

Can't seems to find them anywhere??
Gearbox ... 3.5 liters from Opie oils.

Rear diff ... If the oil is below the bottem edge of the hole, add oil through the filler hole to raise the level.
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