Classic cars forum & vehicle restoration.

[simonA30]

I know I need 20w/50 mineral oil, but the prices vary so much. I am a retired retailer, and know one thing for certain, you do NOT get what you pay for, it just doesn't work like that. The oil in my 1954 A30 is now two years old, although still clear, as it has only done a few hundred miles in this time. Some people say it should be changed every year regardless of use, others may say two years, whilst there is a line of thought that says modern oils won't deteriorate in the sump like old oils did. Anyway, I'm not taking any risks, and am going to change it. The question is, with the very low mileage I do, is it really worth putting in an oil that costs £30 for 5 litres, when I can buy an API rated oil for less than half of that ?

[Rick]

I tend to stick with something from a recognised brand, but don't pay all that much attention to which brand it might be. I think regular changes are probably more important, especially if the car isn't being hammered up and down the motorway. Filter change too. I don't go for the super-cheap 20/50s, just a few £ more gets something decent.

Others opt for synthetic, it's one of those subjects where everyone has their own opinion.

RJ
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[Cargy]

You could ignore the opinions, choose 124 pages of objective science by getting hold of a copy of Richard Michell’s 2011 book “Which oil? – Choosing the right oils and greases for your antique, veteran, classic or collector’s car”, Veloce Publishing.

[JohnDale]

Hi Simon, I have used Mannol Safari German manufactured 20/50 oil, API SL/CF for classic cars currently @ £17.49 per 5ltrs delivered. It is available from
lubriagecarpartsaccessories, via eBay, item 303081769185. I use this in both my cars,'58 Zephyr & '76 Granada & have used it in many other classics over time. I have never had any problems with it although I do change oil & filters annually. (Just for your info) Regards,JD.
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1958 Ford Zephyr Mk2 Convertible
1976 Ford Granada Ghia.

[alastairq]

As an example....
https://www.classic-oils.net/Classic-Oils-Heritage-20W50

https://www.classic-oils.net/Morris-Golden-Film-20W-50

An alternative dealer I use as well
https://www.opieoils.co.uk/

Don't forget a new filter, for what they cost?
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Dellow Mk2, 1951 built, reg 1952.
Fiat 126 BIS
Cannon special [1996 registered. Built in 1950's]
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Ford Pop chassis, Ashley 1172 bodyshell, in pieces.

[alanb]

Halfords classic 20/50,
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old tourer


Morris 8 two seater

[Ray White]

Hello Simon. Personally, I think it is wasteful changing the oil after just a few hundred miles. If, as you say, it is clear then leave it. I have driven many thousands of miles when I had my A30 and the engine was kept in good condition with oil changes at 3000 miles.

It is a different matter with brake fluid which should be changed every two years regardless because it is hydroscopic. Engine oil is not.

Incidentally, I always used Duckhams 20/50 but I don't know if the green stuff is still available.

[Rick]

[ukdave2002]

I use Morris Golden Film SAE 20W-50 Classic Motor Oil 5 Litre, a trusted brand, on offer see below at £11.75 for 5L, normally £27

https://tinyurl.com/uqk4opd

there is £4 postage, but the same if you purchase 1 or 5 cans.

Dave

[JohnDale]

Hi Alanb I believe it's Comma 2050 redressed in new clothes for Halfords as they don't make engine oil,all the best,JD.

[Ray White]

Nothing wrong with Halfords Classic / Comma 20/50 or such like. Ideal for the A series.

[alanb]

Just bought 10 litres of Morris golden film 20-50 £28 including shipping as per Ukdaves post https://tinyurl.com/uqk4opd
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old tourer


Morris 8 two seater