Just got back from Auto Zone, VR-1 20-50 is on sale for $3.29qt. Pick up
eight quarts to cover the next change out (alloy sump).
Bill
-----Original Message-----
From: triumphs-bounces at autox.team.net
[mailto:triumphs-bounces at autox.team.net] On Behalf Of Mack, Michael
(Rochester)
Sent: Monday, May 14, 2012 3:21 PM
To: triumphs at autox.team.net
Cc: tr8 at mercury.lcs.mit.edu
Subject: [TR] ZDDP Levels in Various Oils
Info that I gleaned from various sources. Gathered up into one list.
ZDDP Oil Levels
Desired range of ZDDP is 1200-1400. Levels over that is too corrosive, for
Racing engines Only.
Valvoline VR1 race oil has up to 1300 PPM Castrol SYNTEC 20/50 full syn has
1200 PPM. Make sure label says "recommended for classic cars"
Red Line Synthetic has 1300 PPM
Brad Penn Grade 1 racing oil is a mineral oil with 1500 PPM Classic Car
Motor Oil made by DA Lubricants to specs for the Indiana region of the
classic Car Club of America has 1500-1600 PPM Swepco 306 20w-50 has 1400
ppm Mobil 1 Full Synthetic 15W-50 Silver Cap @ 1200 ppm Summit Racing oil
has 1800 ppm. Made by Spectro Oil for Summit
Mike Mack
80 TR8 FI DHC
73 Stag - w/Chevy 350
79 Spitfire
70 GT6+
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