Interesting subject, I bought a “restored” 67 273 cuda in Ca , drove back to Boston with much hassle, (as in steering box bolts falling out) where some genius had put on two mopar connection valve covers with oil fills in both, no breather, PCV all nicely plumbed in. You step on it, blows out dipstick and oil all over the engine ,as in quarts. Related, air inlets from air cleaners often blow back, making a big mess inside. Latest car I am doing, non stock, I ran hose from oil fill pipe (old hemi) to its own 4” air cleaner in front and low on radiator sheet metal. Sealed fill cap . If a mess it drops out. Should NOT be a mess, we all know, but often is,,….PCV hose is on small side, ok for manifold suction vapor venting, but not WOT blowby peaks. So oil mist blows out of breather, coating engine. ….PCV or not. . Maybe D nd D were on to something. Also PCV is not open at WOT. hmmm
FYI The Grandparents had a 51 Chrysler Imperial with a Douglas Donaldson valve. The valve fastened into the hole where the draft tube would have been and a flexible tube to the base of the Carb. It could be disassembled and cleaned. kind of a check valve exactly like a PCV valve only five times larger.
From: Chrysler300@xxxxxxxxxxxxxxx <Chrysler300@xxxxxxxxxxxxxxx> on behalf of Michael Moore mmoore8425@xxxxxxx [Chrysler300] <Chrysler300-noreply@xxxxxxxxxxxxxxx>
I lived in California in 1966 when I bought my 300H. It was exempt from smog equipment because of “multiple-carburetions” same as my TR3 with two SU’s.
Mike Moore 300H
On 3/7/2017 11:32 AM, 'Bob Jasinski' rpjasin@xxxxxxxxxxx [Chrysler300]
Posted by: "John Grady" <jkg@xxxxxxxxxxxxxxxxx>
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