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Valve Adjustment

Engine

Vehicle Information: Year: 1981; Engine (Size, Modifications): 3.3L Stock; Total Mileage: 94,000 Kms (56,400 miles);

I drive my 930 about 5,000 kms (3,000 miles) per year, and do 8 to 10 Driver Education track days per year. I am interested to know how often you would recommend valve train adjustment, given this usage profile. On track, I use 5,500 as a typical shift point. My concern is primarily that the car be maintained properly given the track usage, with a secondary interest in extracting the best performance from the engine.

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