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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

0W-20 oil
04/04/2018 in the Castrol Forum
Looking for clarification on what 0W-20 oil translates to!
best oil for aircooled vw's
03/02/2018 in the Castrol Forum
I have been using 15w40 synthetic blend in aircooled vw's, but I was wondering if there was a better option, since the oil does all of the cooling. I thought about switching to a 5w40 acea a3/b4, but i'm not sure if that will help with the cooling, or mak...
Still Available?
02/27/2018 in the Castrol Forum
[Castrol Rack] I seem to be having trouble restocking this rack. #050 Castrol 5W30 Edge Synthetic Motor Oil doesn't seem to be available from any of my Castrol Vendors. Is this a temporary issue or is this system being phased out? I look at that rack and ...

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