engine oil
#1
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engine oil
hi what engine oil would you say is best suited to a 2002 wrx turbo impreza.got about 70000.on the clock and dos Le's than average mileage a year..with the odd good blast out...
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Tony
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Tony,I do have a front mount oil cooler. I did use Mobil 10/50 but Mobil have now discontinued it & it is superseded by 10/60 extended life don't know the significance of this but I am told this is the right spec for my car from the mobil range.
#15
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Hi
I'd go for a 5w-40 synthetic. The standard recommendation for those is 5w-30, but 5w-40 will give better protection if you like to put your foot down.
http://www.opieoils.co.uk/c-656-5w-40.aspx
Out of those, the best ones are the Fuchs/Silkolene Pro S, Millers CFS, Motul 300V, Redline and Gulf Competition. The Motul 8100 X-Cess, Millers XFS, Fuchs Supersyn, Shell Helix and Mobil Super 3000 are good, cheaper alternatives.
Cheers
Tim
#16
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Not ideal. Because of the large viscosity gap the oil is quite easily broken down into a thinner grade, like a 5w-40 or 10w-40. If you need a 40, it's better to go for a good 5w-40 or 10w-40 that will be more stable. If you need a 50, a 10w-50 is a better option.
Cheers
Tim
Cheers
Tim
#17
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We don't see why Mobil would do that, the only reasons I can think of is that because they want to go and get Ferrari, M-Series or Aston approval for the oil, so it needs to be a 10w-60, or because they have seen the number of people that have been incorrectly told to use a 10w-60. They have lost out on a lot of sales since they stopped making the 15w-50. You can actually use the Mobil 15w-50 Racing (bike oil) as it's the same stuff as the old 15w-50 for cars.
Personally, I'd stop using Mobil and go for something that's suitable for your car. There are plenty of 15w-50s around and some of them, like the Fuchs Pro R, Motul 300V, Redline and Gulf Competition are better oils than the Mobil anyway.
Cheers
Tim
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If it's mainly getting used on the road, I'd go for the 10w-50 so it gets the best cold start protection. If mainly on track, 15w-50 as the oil will be a little more stable.
http://www.opieoils.co.uk/c-659-10w-50-engine-oil.aspx
http://www.opieoils.co.uk/c-660-15w-50-engine-oil.aspx
Out of those, the ones to go for are the Fuchs Pro S & R, Millers CFS, Redline, Motul 300V or Gulf Competition.
Cheers
Tim
http://www.opieoils.co.uk/c-659-10w-50-engine-oil.aspx
http://www.opieoils.co.uk/c-660-15w-50-engine-oil.aspx
Out of those, the ones to go for are the Fuchs Pro S & R, Millers CFS, Redline, Motul 300V or Gulf Competition.
Cheers
Tim
#20
We don't see why Mobil would do that, the only reasons I can think of is that because they want to go and get Ferrari, M-Series or Aston approval for the oil, so it needs to be a 10w-60, or because they have seen the number of people that have been incorrectly told to use a 10w-60. They have lost out on a lot of sales since they stopped making the 15w-50. You can actually use the Mobil 15w-50 Racing (bike oil) as it's the same stuff as the old 15w-50 for cars.
Personally, I'd stop using Mobil and go for something that's suitable for your car. There are plenty of 15w-50s around and some of them, like the Fuchs Pro R, Motul 300V, Redline and Gulf Competition are better oils than the Mobil anyway.
Cheers
Tim
Personally, I'd stop using Mobil and go for something that's suitable for your car. There are plenty of 15w-50s around and some of them, like the Fuchs Pro R, Motul 300V, Redline and Gulf Competition are better oils than the Mobil anyway.
Cheers
Tim
#21
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Technically, yes they are different and it's due to the level of friction modifiers to stop the wet clutches from slipping. In reality, they are often the same thing. Many companies will produce than oil and call it so and so for cars, then call it something different, but for bikes (and usually charge more). The Mobil 1 15w-50 Motorsport oil was one of those oils and was fine for use in cars and bikes.
Cheers
Tim
Cheers
Tim
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sorry to hijack,
so how about 5/40 in winter,and 10/50 in summer? or what would you recommend on an 06 STi, road car but the odd sunday blast out,maybe a track day or 2 in the year.
thanks and again sorry for the brief hijack
so how about 5/40 in winter,and 10/50 in summer? or what would you recommend on an 06 STi, road car but the odd sunday blast out,maybe a track day or 2 in the year.
thanks and again sorry for the brief hijack
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I'm currently running 10w50 Pro-S in my forged 2.5 at 440BHP, mostly fast road and will do a couple of track days a year, normally (but not this year ) a trip to and around the ring. Looking about it seems that the Pro-R 15W-50 might be better car isn't used that much in winter, front mount oil cooler fitted, max oil temp so far a shade over 100, motorways 75 to 80 (prosport gauge) on track 90-100.
Any ideas - I want the best protection possible, car is warmed up at idle for 5 mins before driving off and never on boost until oil is 75-80.
Any ideas - I want the best protection possible, car is warmed up at idle for 5 mins before driving off and never on boost until oil is 75-80.
#28
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I'm currently running 10w50 Pro-S in my forged 2.5 at 440BHP, mostly fast road and will do a couple of track days a year, normally (but not this year ) a trip to and around the ring. Looking about it seems that the Pro-R 15W-50 might be better car isn't used that much in winter, front mount oil cooler fitted, max oil temp so far a shade over 100, motorways 75 to 80 (prosport gauge) on track 90-100.
Any ideas - I want the best protection possible, car is warmed up at idle for 5 mins before driving off and never on boost until oil is 75-80.
Any ideas - I want the best protection possible, car is warmed up at idle for 5 mins before driving off and never on boost until oil is 75-80.
Unless it's using lots of oil, I'd stick with the 10w-50. If it is using lots, try the 15w-50.
Cheers
Tim
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I've gone to buy some more Mobile 1 15/50 and found it's no longer available, my car runs 470bhp no track days but the oil does get hot driving down country lanes.
Which is the best Motul 15/50 oil? 300V racing oil? I hope my engine doesn't mind the change of oil after seven years running Mobile 1.
Anders
Which is the best Motul 15/50 oil? 300V racing oil? I hope my engine doesn't mind the change of oil after seven years running Mobile 1.
Anders
#30
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Hi Anders
Your engine should be fine with the change of oil, 300V, Redline, Fuchs Pro R and Gulf Competition are all a step in quality above the Mobil.
http://www.opieoils.co.uk/c-660-15w-50-engine-oil.aspx
Cheers
Tim
Your engine should be fine with the change of oil, 300V, Redline, Fuchs Pro R and Gulf Competition are all a step in quality above the Mobil.
http://www.opieoils.co.uk/c-660-15w-50-engine-oil.aspx
Cheers
Tim