Re: Opinion on PCV valve for flathead?
A couple things to consider . If you have a motor that is meant to have a drain pipe in the rear main and you don't have one or if it is not long enough to stay immeresed in oil at all times you will be sucking all that wonderful clutch debris and whatever else is getting into the bellhousing cavity INTO your motor . And if you have this going on and also have a vented pan you will get all the dust and road crap into your motor . The main thing to remember is if you run a PCV you need to let filtered air into your motor. Many ways of doing this and yes you're talking about later motors but the principal is the same - you will be sucking debris into your motor . There isn't any harm in a PCV setup just make sure you filter the air going in . My 3.14 cents worth . David J
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