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Sending the crankcase vapors into the oil fill tube is not really what you want to do....one of the points of the road draft tube (or even more modern PCV systems) are to scavenge corrosive (and EXplosive!) vapors out of the crankcase. The road draft tube vents the vapors to the atmosphere; the PCV (option RPO-242 on our cars) reburns the vapors by sucking them into the carb base...
I don't know where you put the PCV valve on a fuelie but you will want one of these adapter for the hose from the road draft hole to the PCV valve....Paragon has them.
Last edited by Frankie the Fink; 04-25-2013 at 08:03 PM.
the California system is a bit 'ugly'... if you are good at tubing bending you can probably bend up a tube that will go between the distributor and the plenum and then use rubber hose on either end to the adapter shown in Frank's pic and to the plenum/PCV end. i bent up something similar to connect to the PCV i used when i was using LT1 valve covers. i believe it can be done.