[wckrause]

Joe -- OK, when I say lean, I mean greater than 14:1, when I say leaner, I mean not as rich. I think we are in agreement as to which side of the 14:1 ratio to find best performance.

Superman - A wide open throttle WILL enrichen the mixture. There is a vacuum connection to the WUR that causes it to decrease control pressure to the fuel distributor. This results in the sensor plate rising higher for the same volume of air and thus a richer mixture. This is called Full Throttle Enrichment and is describe in all Bosch books on K-jetronic.

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Bill Krause
'79 911SC Euro