I was reading my owners manual about engine oil and for Canada they recommend premium 5-30 oil but in the US a 5-30 synthetic blend is recommended. Other countries they recommend 5-30 full synthetic. Whats up with that? Opinions.
Having used full synthetic since 1986,and getting 180,000 miles from an 86 Volvo Turbo I would never run a turbo engine on premium oil. Use the full synthetic, you won't regret it!
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