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140/164 Series General Forum for the Volvo 140 and 164 cars |
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oil?Views : 1671 Replies : 7Users Viewing This Thread : |
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Sep 23rd, 2008, 18:59 | #1 |
Scottish Section Chair
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oil?
Sorry if this has been covered elsewhere but which grade of oil could I use for my 1969 144 B20A? Handbook says 10w30 but it doesn't seem to be readily available. Am I ok to use a 10w40?
Cheers R. |
Sep 24th, 2008, 11:47 | #2 |
never knowingly slow
Last Online: Aug 8th, 2012 09:31
Join Date: Nov 2006
Location: near Bath
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I used 20/50 before the engine was rebuilt, now standard GTX which I think is 10/40. All seems fine so far!
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Sep 24th, 2008, 13:05 | #3 |
Amazoniste
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I personally would only use a good 15/50 or 20/50 on an engine of this age. A thinner grade oil (of equivalent quality) will also mean lower oil pressure & thinner film strength on the bearing surfaces. Check the API rating of any oil that you're looking at buying - many 20/50s marketed for old cars aren't great....
Castrol GTX 15/50 and Halfords regular oil range 15/50s are decent (if you can still find them) & were my preferred choice, but the rating for the Halfords classic 20/50 isn't anything to write home about. I use it sometimes only because it's easily available rather than out of choice....
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Paul - 1967 Amazon 222S B20 o/d Estate & 1961 A-H Sprite Mk2 948cc WANTED - For '67 Amazon estate - offside rear quarter, preferably new old stock. Last edited by 222s; Sep 24th, 2008 at 13:08. |
Sep 29th, 2008, 14:00 | #4 |
Scottish Section Chair
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Thanks Folks, will give GTX a go. Found a Volvo Service book which recommended GTX as well.
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Oct 16th, 2008, 21:02 | #5 | |
Master Member
Last Online: Mar 24th, 2024 21:35
Join Date: Aug 2006
Location: Peterborough
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Quote:
Just stay away from bloody Castrol Magnatec - it's essentially very expensive mineral oil and is in fact a bit minging......
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Sinderland Road through Dunham Town - The interesting way home. |
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Oct 16th, 2008, 21:31 | #6 |
Forum Support Team
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Oct 17th, 2008, 10:43 | #7 |
Master Member
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Don't use a modern grade oil in our old flat tappet engines! The modern high grade oils don't contain the essential zink additive (ZDDP) for our B18/B20's anymore, which lubes the tappets and camshaft. The ZDDP kills the cat's in modern cars, that's why it isn't added anymore to modern engine oils. On the long run (10kmls+) a modern grade oil will kill the camshaft and tappets and can bring even greater damage to other engine parts. So only use special classic oil like Millers or the Duckham's Jim C recomments.
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Last edited by B20F; Oct 17th, 2008 at 10:52. |
Oct 22nd, 2008, 23:16 | #8 |
Scottish Section Chair
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Thanks for the info folks!
R. |
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