MK5 Golf GTI
All Things Mk5 => Mk5 General Area => Topic started by: jimmy-s3 on April 28, 2012, 06:10:30 pm
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Looking to do an oil change tomorrow on my Edition 30.
What grade oil should i use? The car has done 39k.
Thanks in advance!
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5w40 :-)
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If it's stock, 5W-30. If it's remapped, a few think 5W-40 may be better.
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I'm stage 2 and still using 5W30... should i be using 5W40 then? Why is it better?
Dom
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IIRC, when I had a chat with Alex from AKS about this, he said that mapped cars run hotter than spec. Consequently, the 5W-30 oil becomes thinner than it normally would in a stock car. This can lead to damage with bearings/cam follower/etc. Using 5W-40 means the oil is as viscous in a mapped engine as the 5W-30 would be in a stock engine.
Or at least that was my impression of it all.
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In simple terms 5w-40 will stay thicker at higher temps. this should keep oil temps down a little and help maintain oil pressure.
I have made the switch in my car from 5w30 to 5w40 due to oil temp issues on a trackday.
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So 5w30 if standard then?
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I have made the switch in my car from 5w30 to 5w40 due to oil temp issues on a trackday.
Did it help?
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FWIW i never ran anything other than 5W30 in my last and current vRS. Between the 2 i've done over 90k miles and never had any issues. My last vRS was Stage 2/2+ and this one is Stage 1.
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I have made the switch in my car from 5w30 to 5w40 due to oil temp issues on a trackday.
Did it help?
don't know yet, will see next time its on track.
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It's either/or then untill the time comes when I get her on the track... for which it'll have an oil change prior anyway...
Thanks,
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Costco Wholesale have Castrol Edge 5w/40 for £30inc VAT for 4 litres at the moment :)
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Castrol Edge 5w30 (Which is VW 504.00 approved as required) :happy2:
Personally I think changing your oil for a remapped car, especially at Stage 1 is a bit OTT.
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Castrol Edge 5w30 (Which is VW 504.00 approved as required) :happy2:
Personally I think changing your oil for a remapped car, especially at Stage 1 is a bit OTT.
Maybe a little, but I'm safe knowing that I'm using the best oil available (millers nanodrrive 5w40) and i won't run the risk of thinning oil. :happy2:
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Just a question Rich,
How do you know that Millers Nanodrive is the best available? Only asking it as i've never heard of it :confused: (not that that means anything :grin:)
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Just a question Rich,
How do you know that Millers Nanodrive is the best available? Only asking it as i've never heard of it :confused: (not that that means anything :grin:)
I trust alex's information. Although it does look like used oil when new (a bit brown) Alex assures me its the best, and I've no reason to doubt him.
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Was just curious that's all with not having heard of it :happy2:
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Was just curious that's all with not having heard of it :happy2:
Neither had I to be honest mate. :smiley:
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It's not been out long with Millers. There are only two oil companies in the world who are using this technology. Millers have used it in their gearbox oils for a few years now and have only just moved it to their engine oils.
Search 'fullerene' in google to learn about the molecule and why its so good. It acts like a ball bearing reducing friction and being carbon its a tad strong.
Obviously there are loads of 5w40 oils available, but this is the best.
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Cheers Alex :happy2:
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Which oil should i go for?
I only want to spend £30 max for 5lts.
Is Mobil super 3000 5w30 or Mobil ESP any good?