On or around Mon, 02 Jan 2006 22:33:28 +0000, "Paul S. Brown"
<firstname.lastname@example.org> enlightened us thusly:
>> Alex wrote:
>>> I remember when engine oils used to come in simple, easy to understand
>>> specifications. There was 20w50 for normal use and 10w40 for cold
>> You must have been asleep for a long time then. API oil specifications
>> have existed since the 1960's.
>However most of the handbooks for cars I've had didn't specify anything
>other than viscosity and whether it's diesel/petrol up until the last 10
>years or so - They may have existed, however Vauxhall specified one
>specific oil for their vehicles (at least in the 70s and most of the 80s)
>and then a generic viscosity requirement should the specific brand of oil
>not be available.
this is true. by the later 80s they start specifying oil quality as well as
viscosity for ordinary engines.
Austin Shackles. www.ddol-las.net
my opinions are just that
"The great masses of the people ... will more easily fall victims to
a great lie than to a small one" Adolf Hitler (1889 - 1945)
from Mein Kampf, Ch 10