90 Quattro 20V (Canada) L5-2309cc 2.3L DOHC (7A) (1989)
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Spark Plug: Specifications
Spark Plugs .................................................................................................................................................................................................. Bosch F 6 DTC
Gap ......................................................................................................................................................................................................... 0.8 ± 0.1 mm
Tightening Torque .............................................................................................................................................................................. 20 Nm (15 ft lb)