Gary, Are you saying that the lifter or cam failures were a direct result
of the reformulation of the Rottela. I have 2 gallons of Rottela I
purchased last Friday. The packaging and the container in general are the
same as some I bought over a year ago and both carry an SL rating with no
mention of ingredients, ie ZDDP, Zink or Phosphorous. Who says the
formular
has been changed? Where is the info coming from--Castrol??
----- Original Message -----
From: "Gary Pavlovich" <glpavlovich@xxxxxxx>
To: <1962to1965mopars@xxxxxxxxxx>; <318poly@xxxxxxxxxxxxxxx>
Sent: Tuesday, September 16, 2008 10:58 AM
Subject: Use Castrol oil with Zinc
Polyheads,
I suggest you read the following and consider using the Castrol oil
formulated for our vintage vehicles;
3 phone calls this week from customers w/failed flat tappet camshafts
(don't cha just love idleing at these cruises?). 2 of the 3 had the hole
EDM'd the foot of the lifter (Comp Cams) but failed within about 1000
miles.
Apparently the Shell Rotella T has been reformulated so be carefull there.
Much info/selection/choice of oil is availabe now regarding "classic car
engines" and the use of flat tappet camshafts.
Read the label carefully on your favorite flavor of oil, and/or check out
the internet for complete info. The magic ingredients is ZDDP and carry's
a
SL rating. Rule of thumb is no less than 1200 PPM's of Zinc and at least
75%
(900 PPM's) as much of Phosphorous as Zinc.
Subject: RE: CastrolUSA - Expert Advice Form Data
Date: Tue, 5 Aug 2008 20:48:38 +0000
Thank you for contacting Castrol North America.
The latest API SM/ILSAC GF-4 category calls for reduced Zinc and
Phosphorus levels to allow extended catalyst life in current model
vehicles.
There appear to be field issues associated with the SM/GF-4 oil's level of
antiwear in the classic car engines known as flat tappet cam engines. The
current late model passenger car engines are not flat tappet cam engines
and
have no reported field issues related to the level of antiwear chemistry
in
the SM/GF-4 oils.
Product Recommendations for Flat Tappet (Solid Lifter) Cam Engines:
Castrol Syntec 20W-50 (Recent reformulation identified by "Recommended
for Classic Cars" text on back label) (min Zn = 0.12 = 1200 ppm)(full
synthetic)
New Motorcycle Products, Expected to be Available Q2 2008:
Castrol Power RS GPS 10W-30, 10W-40 and 20W-50 (min Zn = 0.12 = 1200
ppm)
Castrol Power RS R4 10W-50 and 5W-40 (min Zn = 0.12 = 1200 ppm)
Castrol Power RS V-Twin 20W-40 and 20W-50 (min Zn = 0.12 = 1200 ppm)
Castrol Consumer Relations
Gary Pavlovich
[Non-text portions of this message have been removed]
----
Please address private mail -- mail of interest to only one person --
directly to that person. I.e., send parts/car transactions and
negotiations
as well as other personal messages only to the intended recipient, not to
the Clubhouse public address. This practice will protect your privacy,
reduce the total volume of mail and fine tune the content signal to Mopar
topic. Thanks!
'62 to '65 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html.
----
Please address private mail -- mail of interest to only one person --
directly to that person. I.e., send parts/car transactions and
negotiations as well as other personal messages only to the intended
recipient, not to the Clubhouse public address. This practice will protect
your privacy, reduce the total volume of mail and fine tune the content
signal to Mopar topic. Thanks!
'62 to '65 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html.
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