[Healeys] Motor Oil --- ZDDP
gmandas at yahoo.com
Sat Jun 26 21:11:17 MDT 2010
As the newbie on the list I think I'm heading into another
controversy/rehash, but speaking of oil and ZDDP....
I've owned my car one
year. I've driven it around 800 (est) miles. I did one oil change when I first
got it on the road last summer at which time I mixed in prescribed amount of
ZDDP adaptive. I burn/loose about a quart every 3-400 (est) miles at which
time I add a quart of Valvoline Racing oil which has ZDDP.
Racing oil have enough ZDDP?
Should I mix in some additive with every quart?
Am I missing something?
--- On Sat, 6/26/10, Alan Seigrist
<healey.nut at gmail.com> wrote:
> From: Alan Seigrist <healey.nut at gmail.com>
Subject: Re: [Healeys] Motor Oil
> To: "Bob Spidell" <bspidell at comcast.net>
Cc: "healeylist" <healeys at autox.team.net>
> Date: Saturday, June 26, 2010,
> Well - call me an idiot but I put
> several quarts of 10 year old
> 20-50, which was improperly stored, in my Mk IX. I
> figured if
there was any
> mold or bacteria in there the heat would kill it and the
filter would get
> it. so far no probs with the Mk IX... but the oil
definitely runs a little
> dirty. I had to stir it up, and the oil was cloudy
> after stirring, rather
> than clear as before... but it works just
fine. I have the same problem
> here in HK, I can't get oil with the good
stuff in it
> here. I now just buy
> the ZDDP additive and use whatever I can
> I suspect the synthetic oil will probably keep longer, as
> On Sun, Jun 27, 2010 at 7:17 AM, Bob Spidell
<bspidell at comcast.net>
> > It occurred to me to use The Google on
> > According to several articles I read, if properly
> > and dry--the recommended maximum shelf life is 5
> (that's a
> > manufacturers' recommendation, so you can probably get
away with longer).
> > Like Kees mentioned, some additives can settle out so
it's a good idea to
> > shake the bottle if it's been sitting too long.
> I asked because I stocked up on 20W-50 before they
> took all the good stuff
> > out.
> > bs
> > Oudesluys wrote:
> >> Unless the
can has been opened I do not think
> there is any problem.
> >> However, if
the can once has been opened air will
> come in and react with the
> >> oil in
the (very) long run. I have used engine oil
> of well over 10 years old
in the Landrover without ill effects.
> >> It will need a good shake as some
> substances do sink to the
> >> bottom of the can.
> >> Kees
> >> NL
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