Gotcha posted by 300ZMang on May 25, 2012 at 11:13 AM
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piston rings aren't closed. they have spaces to allow expansion and contraction during heat-up and cool-down of the engine. liquid will just leak through that gap down to the next ring and then repeat until it enters the crankcase. As long as your only problem was a leaking injector, and its now repaired, jsut change your oil like Draker said, and you'll be fine