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Initial knock on acceleration - normal ? 200

Dman:

Volvo Bricks require high octane gas(95). Since 1983 the Brick has had a knock sensor in the engine to alter the timing when a knock is heard. That is why you hear only one, your knock sensor is working well. I recently tried to use lower octane during the recent gas crisis, and in addition to the knock I felt a loss of performance at the high end. So even if damage is prevented by the knock sensor (and I am not sure it is) I did not feel it was worth the savings in gas price.

lenk






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