Hmmm, I think in NA the whole line of Castrol oil products is labelled GTX
-- 30wt, 10/30, 10/40, 20/50. So you have to read the label to get the right
one. I can't recall ever seeing 15/40, though.
on 8/30/01 11:29 AM, paul.hunt1@virgin.net at paul.hunt1@virgin.net wrote:
> Speaking of oils I believe Castrol GTX was originally 20W/50, but for many
> years now it has been 15W/50 (in the UK at least, I think it has been 15W/50
> in North America for some time). However sometime in the last few months it
> changed to 15W/40 - probably the same time as the '33% better protection'
> statement appeared on the container! I only noticed this week when topping
> up from a new 5 litre 'can' - it ran like water. Checked the last can I
> bought (empty ready for the next oil change) and it was the same, checked
> the two before that (must take a trip to the dump) and they were 15W/50.
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the red one with the silver bootlid.
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