[TR] [Wedge] ZDDP Levels in Various Oils

Robert Jones rjones at wfeca.net
Mon May 14 16:01:57 MDT 2012


While we are at it, what is the best weight to use in a TR3, TR6 & TR8 stock
engine and why?

Bob
On May 14, 2012, at 3:20 PM, Mack, Michael (Rochester) wrote:

> 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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