Rick,
I wasn't really addressing anything but the ZDDP
additive mentioned in the original post. I do
agree, though, and I do not use any additives. I
suppose I might consider it for a specific problem like you mention.
-Steve
At 06:14 PM 7/7/2019, Richard Lindsay wrote:
>Additives do nothing, or less, for healthy
>engines...except for the zinc stuff being
>discussed. However, there are additives that are
>Bandaids for weak or damaged engines.
>
>'Restore' has something within that swells
>leaking valve stem seals, allowing a few more
>smoke-free miles from a high mileage car.
>Evidence: My son's zillion mile E-class Mercedes
>when in highschool, two decades ago.
>
>'STP', of all things, adds just a bit more
>viscosity to the straight 50 weight oil in my
>150k plus Land Rover, lending a bit more
>pressure at hot idle. Read: The oil light no
>longer flickers at idle in 100°F traffic.
>
>Right or wrong,
>
>Rick
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