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ZDDP  Rate Topic 
 Posted: 11-13-2006 11:40 pm
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Paul Koehler

Joined: 04-06-2005
Location: Malone, New York USA
Posts: 90
A friend of mine who owns several Brit. cars of various marques passed this onto to me, and I thought I would share with JH owners who frequent the Board. Go to the following site for an informative read: http://www.ttalk.info/Zddp.htm.

In light of the info presented in the above link, and since Valvoline VR1  is essentially no more expensive than the Castrol 20w-50  I have been using, I will make the switch, for both engine and gear box. PK

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 Posted: 11-17-2006 01:55 pm
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Jensen Healey
Super Moderator

Joined: 03-11-2005
Location: San Anselmo, California USA
Posts: 983
Good info Paul. The article says the Castrol 20-50 is still ok for broken-in engines as is the Valvoline VR1.

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