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Re: Which grade gasoline to use? 700 1989

posted by  someone claiming to be Joe Schaefer on  Tue Nov 13 04:41 CST 2001 [RELATED]

David,

The LH-Jetronic system, in conjunction with the EZK-117 ignition system, can advance or retard ignition timing automatically, as necessary. It can even adjust timing per individual cylinder, not simply as a whole. This is why better gas will make the car run better and get better mileage, because the base ignition timing will automatically be advanced further with the higher octane fuel. I know this because my Father was a Volvo tech for 11 years and a good friend of mine still is a Volvo tech. Anything else?





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