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Hi,
Apologies if this is a dumb question but I've never bought oil in the US. I'm bringing my rally 144 over from Australia to Canada/USA next year to do a TransAm rally. We'll need to change oil during the event and I'd like to know what you guys would use on a warm B20, driven under rally conditions I.e. pretty hard.
Back home I use a Penrite 20/60 oil that has plenty of ZDDP for cam etc protection. I'm currently in Colorado and this morning dropped into the local Walmart. They had loads of oil for gas engines, much of it synthetic, and almost all of it in the 5-30 range. From what I could gather no ZDDP - I think it ruins cats? None of them looked right for my engine.
So what should I use? Diesel oil? Something else?
Regards
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JohnH, Sydney, Australia
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