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Type of Gas for 940 Turbo 900

posted by  johnstanleyho on  Wed Dec 30 09:14 CST 2009
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last visit: Tue Aug 5 23:38 CST 2014
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I am planning a 2000 mile trip with no load. Can I use plus gas 89 octane inastead of the super unleaded with no incidence? I figure I'll save about 15 cents a gallon. I am almost never into the turbo boost all the way. The engine is a 1994 "L" turbo engine in great shape.
Does anyone ever use regular gas in the turbos with any ill effects? Just wondering if paying for premium is worth it. Once I tried plus 89 octane instead of 91 and I heard a very slight pinging up a freeway hill on a hot day but I backed down with no problem.
Anyone have experience here with gas grades. I usually just put in the "best" without thinking, but I wonder if its really worth it if you don't drive it hard. Does it hurt the internals at all, or is the knock sensor good enough to keep things safe?






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New Type of Gas for 940 Turbo [900]
posted by  johnstanleyho subscriber  on Wed Dec 30 09:14 CST 2009 >


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