?
Ira Erbs
Portland,OR
_______ _______
(______ \____1959 BN4____/ _______)
(_________________________)
BT7 engine and disk brakes
A racing car is an animal with a thousand adjustments. Mario Andretti
Please excuse random auto corrects and misspelled words
On Thu, May 11, 2017 at 9:43 AM, Mirek Sharp <m.g.sharp at sympatico.ca> wrote:
> I thought it was pretty funny.
> Mirek
>
> -----Original Message-----
> From: Healeys [mailto:healeys-bounces at autox.team.net] On Behalf Of Bob
> Spidell
> Sent: May-11-17 9:27 AM
> To: healeys at autox.team.net
> Subject: Re: [Healeys] Valvoline VR1 20W-50 Redux Redux
>
> Uh... the '20W-60' was a (bad) joke, in reference to 'The plot
> thickens.' But, good point anyway, Kees.
>
> bs
>
>
> On 5/11/2017 2:06 AM, Oudesluys wrote:
> > I am not a 100% sure but I think the highest spec oil to be used in
> > classic car engines is SG/SH. 20W60 may interfere with the oil flow as
> > 20w50 is the usual specified oil for classic cars. The higher the
> > numbers the thicker the oil hence a higher oil pressure but a reduced
> > flow. Oil flow however is all important in an engine, more than
> > pressure (within limits of course).
> > Kees Oudesluijs
> >
> >
> > Op 11-5-2017 om 1:07 schreef Bob Spidell:
> >> I was at my favorite local parts house today and noticed, as reported
> >> by others that VR1 is back on the shelf after mysteriously
> >> disappearing a year or so ago. Good deal, I think, then I noticed
> >> the label is slightly different than the stock I bought a year or so
> >> ago; in particular, 'HIGH ZINC' is shown prominently on the front
> >> label (my stash doesn't). Also, the 'new' stuff is rated SAE SJ
> >> only, whereas my bottles say 'EXCEEDS API SERVICE SGCD And All
> >> Pending API Gasoline Categories Exceeds API Services SN/SM/SL' The
> >> cam makers generally say that SN and SM are not suitable for flat
> >> tappet engines (not enough zinc and phosphorous). SN/SM--dunno about
> >> SL--are supposedly OK for engines with catalytic converters, which
> >> implies less zinc.
> >>
> >> Anybody know for certain know what gives? My theories are:
> >>
> >> 1) Valvoline pulled their stock and simply relabeled their product SJ
> >> to make it clear it shouldn't be used in cars with cats
> >>
> >> 2) The old VR1 WAS acceptable for cars with cats, implying zinc
> >> content of no more than 800PPM or so, and they have reformulated the
> >> oil with more ZDDP, which required the relabeling. I hope this isn't
> >> the case, as I bought a boatload of it because it appeared to be an
> >> off-the-shelf oil with decent zinc and phosphorous content.
> >>
> >> The plot thickens (it's now 20W-60).
> >>
> >> Bob
> >
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