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Yep no drama with that oil,my dealer they use Castrol FMX on my sv6 here in melbourne.benzor said:I'll keep posting what I've been told, and I rang holden, and 4 dealerships today.
Castrol FMX is fine, and does not void warranty.
No full synth "good quality" oil will.
benzor said:I know all Heartland Dealers, Suttons at Chullora, Hunder at Ryde, Central Coast Holden...They all use castrol