Paz8 Posted October 2, 2006 Share Posted October 2, 2006 Venting the crankcase on a SBC from valve cover to bottom of air cleaner, other valve cover has breather on it, this is a street engine and does NOT need to pass emission tests, will this set-up be OK? Quote Link to comment Share on other sites More sharing options...
Guest coppergmc Posted October 3, 2006 Share Posted October 3, 2006 You need a vented/filtered oil filler cap on one valve cover and a pcv in the other. Without the pcv, expect an oil leak from crank case pressure. Quote Link to comment Share on other sites More sharing options...
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