240Z_au Posted February 16, 2015 Share Posted February 16, 2015 Hi there.. Just completed 300 miles running-in period on my warmly tuned L28. With mild cam, triples and a need for a frequent 7000 RPM, I need oil which will stand up to the task. I saw a few recommendations on Penrite with their high Zinc content, but I see viscosity varies and they dont seem to have a 10W-30 which I'd like to use in my engine. I see there is Valvoline 10-30W with high ZDDP, but they don't seem to offer this oil in Australia. Thoughts/Recommendations on the above?. Who uses what in their modified/hard working engines. Thank you in advance. Andrew. Quote Link to comment Share on other sites More sharing options...
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