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Castrol Forum

Professional automotive forum, sponsored and run by Castrol, for discussion of Castrol oil products. Messages may include, but are not limited to, passenger car motor oil, motorcycle oil, automatic transmission fluids, other fluids, motor oil types, product specifications, product applications, and other related topics. This forum is for experienced automotive repair professionals only, membership required.

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Recent Automotive Discussions in the Castrol Forum

oil recommended for Motorcycles
07/18/2017 in the Castrol Forum
I have 2 Honda Motorcycles. 2016 Fury and 2004 shadow,both with a "wet" clutch. Do you have an oil that does not contain Molly? Thanks for your time, Andy.
Oils for older vehicles and new engine break in
06/05/2017 in the Castrol Forum
Does Castrol sell any motor oils in the U.S. that have high zinc and phosphorous for early flat tappet engines? I heard some diesel spec oils still are produced with high zinc and phosphorous is this true? Can they be used in gasoline engines?
04/24/2017 in the Castrol Forum
Thanks Castrol for opening this useful Forum. Questions are raised on the Tool and Equipment Forum about LMA, DOT 3 and DOT 4, moisture activity, & brake fluid in general. This post of mine is self-explanatory for the questions it it touches, but if you r...

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