DazBock Posted November 22, 2010 Share Posted November 22, 2010 I was planning on doing an oil change tonight. Going to use 20W50 Mineral Oil. This is correct right? My understanding is that synthetic oil is too much of a cleanser and will effectively strip the engine of all its nice oily build up.Darren Link to comment Share on other sites More sharing options...
Bainzy Posted November 22, 2010 Share Posted November 22, 2010 Yep. If you haven't bought it yet, make sure it has sufficient levels of ZDDP (zinc) additive. Halfords 20w50 classic (rebranded Comma) is okay and costs £16.99, thats what I'm using right now. Link to comment Share on other sites More sharing options...
Clive Posted November 22, 2010 Share Posted November 22, 2010 Synthetics will cotain detergents, but so will any modern oil (except the very cheap ones with no specification)However they tend to be thinner (5/30 etc thesedays) so will leak more readily and as above likely to be low on the additives our engines need. There is also a valid point that they may loosen up th ecrud in the engine (every triumph engine I have had the sump off has hade a thick layer of gunge, this doesn't happen with modern oils, but equally you don't want it suddenly washing around the engine)I like the comma Europa, a 15/50 oil with higher levels of zinc and phosphorus than their "classic" range, hold oil pressure better too. Plus I pay £12 a time ;) Link to comment Share on other sites More sharing options...
DazBock Posted November 22, 2010 Author Share Posted November 22, 2010 I have just bought a run of the mill 20W50 mineral oil, didnt check Zinc levels. What is a sufficent level? Link to comment Share on other sites More sharing options...
Clive Posted November 22, 2010 Share Posted November 22, 2010 If it has a spec (SF/SG/SH etc) it will be fine. If it is a cheapo one (usually about £6-7) then again it should be OK, but may be recycled or something. Good for a flushing oil, or if the car uses a lot........but not great long term. Link to comment Share on other sites More sharing options...
DazBock Posted November 22, 2010 Author Share Posted November 22, 2010 It was about £14 from a motor factor. They had classic oil but it was fully synthetic and I thought that would be far worse! I have just bought the car and want to do an oil change. Not going to get much use over the winter anyway but this has to be better than the black rubbish in it now! I'll check what the bottle says. Thanks for the help.Love Daz Link to comment Share on other sites More sharing options...
DazBock Posted November 22, 2010 Author Share Posted November 22, 2010 Oh no I have just realised what I wrote! The dangers of emailing girls and posting at the same time! Obviously your help is much appreciated but not loved! Haha! Link to comment Share on other sites More sharing options...
thescrapman Posted November 22, 2010 Share Posted November 22, 2010 If the synthetic one was Millers Classic Sport then that is a good oil.Make sure it is a 20/50 or it will leak outAnything new and clean is better than old and black.You may want to run a few gallons through over the next few months, best to use cheap for that.CheersColin Link to comment Share on other sites More sharing options...
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