[TR] ZDDP availability????????????????

Tony Drews tony at tonydrews.com
Mon Oct 13 18:17:08 MDT 2008


Valvoline VR-1 20w50 "For racing use only" non-synthetic oil is 
available locally at Autozone and Farm and Fleet for somewhere in the 
$3 to $4 per quart range.  Lots of ZDDP - with that and a non-radical 
cam you don't need any further additive.

EOS was discontinued but came back.  Price went up.  But, the bottle 
is 8 oz (or the new version is reputed to be16 oz) and you only need 
4 oz at an oil change.

Be careful because some oils that had sufficient ZDDP a year or so 
ago have reformulated.  Brad Penn is good stuff too (more expensive).

- Tony Drews

At 12:08 PM 10/13/2008, dorpaul wrote:
>List,
>I was told that our older cars (without cat. converters) needed ZDDP.  Several
>oil labels mentioned having this including: Valvoline 20w-50 Racing Oil, (I
>think) Rotella Diesel Oils, etc.
>
>I was also told about STP Red label but cannot find it locally.  Then I read
>somewhere that it didn't have that much zddp. Maybe
>http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=47699
>0&fpart=1
>
>I was then told about "GM E.O.S. Assembly Lubricant", part # 1052367. Gr
>8.800. and locally I called the Cadallac dealer who said it was discontiued
>several years ago, but, might be coming back.
>
>The chevy dealer has some at  $21.00
>
>This additive is also in valvoline's synpower oil, and other synthetics, but,
>I wish to avoid synthetics for break-in.
>
>Ebay doesn't show it, does anyone know where I can get it for less  than $21
>??????????
>
>Thanks, Paul Dorsey  60 TR3
>
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