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Registered
1999 FORESTER GLS
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2 Posts
Discussion Starter #1
Hi, Picking up my 1999 forester 2ltr gls on 17/06/2010 i would like to know wich is the best uk engine oil to use. Many thanks:
 

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Registered
2003 Forester XT
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500 Posts
I've always used a fully synth oil called comma from allparts. Works fine for me.
 

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Registered
1999 FORESTER GLS
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2 Posts
Discussion Starter #3
I know i sound thick but does it have a grade ie 15/40 ? just want to get it right as have been wanting a forester for years. many thanks
 

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Emeritus Forum Staff
2015 Triumph Tiger XCx 1 Down. 5 Up.
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5,242 Posts
As MDG states, Millers are well regarded as are Motul and my local Subaru dealer uses Castrol Magnatec. TBH though, most decent fully synthetic oils should be fine for turbos and semi-synthetic oils for non-turbos will be OK.

As for the grade, it can depend on local temperatures but in general 5W30 is as thin as you want to go and 15W50 is probably as thick - as MDG says, 10W40 is a good choice.
 

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Registered
2004 forester xt
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188 Posts
my last full service by the main steeler over here used total quartz 5w40 , the last oil and filter change before that i did myself as it was an intrim i used comma and genuine filter which was very good imo........
 

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Registered
2000 S-Turbo
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402 Posts
Out of general interest for someone perhaps, we use 5/40 in Spain.
 

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1999 forester s turbo
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802 Posts
Doesnt it depend on the age and mileage of the engine? Mine has 130.000 + miles on it so I use 10/40 synthetic.
 

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Emeritus Forum Staff
2015 Triumph Tiger XCx 1 Down. 5 Up.
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5,242 Posts
In some cases... the older the engine, the more worn the piston rings / cylinders, the more oil your likely to burn. As a thicker oil is harder to force past the rings, in theory, the less you'll burn... some say a 5W40 oil is too thin anyway - my local specialist (S4U) uses 10W50 oil.

Sometimes, mineral oils are recommended for higher mileage engines too... something about helping to soften the piston rings and helping them fit more tightly in the cylinder.
 

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..now Maidstone
MY14 Audi SQ5 8AT
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2,398 Posts
I have 2 x 2 litre Motul 300v 10/40 going spare.. one is opened, but never used and still full tin...
 
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