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MG MGB Technical - zinc additive

Should i add to my oil to replace the zinc and phosphorus ?thanks .Doug
dd doug46chief

Hi Doug

If your oil is low in zddp then it is probably good to add some. I am not sure what levels are required to protect oldie worldie engines. Sorry to be vague. We now stock Chemodex Zincoat for those who want the extra zddp.

Peter
Peter Burgess Tuning

This is a massively confusing area, try http://www.mgb-stuff.org.uk/enginetext.htm#oils !
PaulH Solihull

Crane Cams recommend the need to use a "special" oil only for a short "break-in" period, after which a "premium petroleum-based oil" may be used http://mgaguru.com/mgtech/engine/cm108.htm
Geoff Ev

Gents,

Over on the TD -TF board there is a thread with a great link on this subject. Takes a good part of an hour to read and is full of factual information.

Regards,

Jim Haskins
J. M. Haskins

About 1800-2000ppm recommended...here in the States modern oil is about 800ppm so adding ZDDP+ brings it to around 1850ppm...if you use Valvoline VR1 (1200ppm) 1/2 a bottle of ZDDP+ will give you around 2000ppm...
Bob Dougherty

This thread was discussed between 29/03/2012 and 02/04/2012

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