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View Full Version : Rb20det spark plug gap


tylerdunigan
12-27-2010, 11:44 AM
I've searched but haven't found it yet. The FSM shows it to be gapped at 1-1.1mm but a lot of people say gap them to .8mm. I'm just curious why? If it makes a difference, all I've got is HKS intake, and exhaust with test pipe