engine oil

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PeteScim
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Post by PeteScim » Sat Jan 12, 2019 4:18 pm

Sorry for revisiting old points but wife now using car (1600) for short commute so intend to change oil more frequently, local factors mineral oil now getting expensive and he has to order it in says why not go semi as he says as do Halfords that's now recommended, Halfords 10/40 semi much cheaper that most mineral so does anybody see problem with swap to that ? also with 118000 miles on her any thoughts on using 15/40 as I know thicker oil sometime recommended for older engines or stick with 10/40



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Post by Old and Slow » Sat Jan 12, 2019 4:27 pm

Have you looked at Classic Oils?
It meets the high-zinc content for older engines.
https://www.classic-oils.net/Classic-Oi ... tage-20W50
Not too expensive either. I use it in the Sabre Six and the Porsche


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Post by efi_sprintgte » Sat Jan 12, 2019 4:33 pm

PeteScim wrote:
Sat Jan 12, 2019 4:18 pm
Sorry for revisiting old points but wife now using car (1600) for short commute so intend to change oil more frequently, local factors mineral oil now getting expensive and he has to order it in says why not go semi as he says as do Halfords that's now recommended, Halfords 10/40 semi much cheaper that most mineral so does anybody see problem with swap to that ? also with 118000 miles on her any thoughts on using 15/40 as I know thicker oil sometime recommended for older engines or stick with 10/40

10W40 semi synthetic will be fine, if the engine uses oil and smokes when cold then go to a 15W40.


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Post by PeteScim » Sat Jan 12, 2019 4:47 pm

Thanks, had a good chat with classic oils man at NEC thinking of using their 20/50 for GTE instead of Millars as its cheaper and probably just as good, 20/50 bit thick for hydrolic tappets so as she doesn't use oil or smoke will probably stick with 10/40



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Post by Alan SS1 » Sun Jan 13, 2019 6:34 pm

PeteScim wrote:
Sat Jan 12, 2019 4:47 pm
Thanks, had a good chat with classic oils man at NEC thinking of using their 20/50 for GTE instead of Millars as its cheaper and probably just as good, 20/50 bit thick for hydrolic tappets so as she doesn't use oil or smoke will probably stick with 10/40
I went for 'correct' (10/40) oil but thought it was a touch 'tappety'/'clicky' so went back to old style 20/50 (well actually 2.5litres of 20/50 and topped up with 15/40) previously I'd run 15/40, what came out of the SS1 after about 50 -100 miles went into the 480 as it needed a change at the same time.

later I also got 20litres of 20/50 from truck factors, at a decent price so given only do 1000 - 1500 miles per year i think I'm Ok for a wee while :wink: ....


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Post by CNHSS1 » Sun Jan 13, 2019 8:02 pm

When competing with a ss1 CVH, I ran full.mineral 10/40 Castrol GTX from Halfords. I did try fully synth, but it breathed very heavy (blew excess into catch tank) and smoked a little, back to old skool 10/40 mineral and it barely used a drop and ran super quiet too :)


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