Quote:
Originally Posted by dave762
As far as a proper fix I may experiment with removing and plugging off the whole thing and just vent the LH valve cover to the ground with a large diameter hose , there are two reasons why the engine is vented back to the intake , one is for a clean enviroment to be sure all "gases" are burned before they go to the atmosphere , second is so you do not smell the odor in or beside the vehicle , I suppose there could be a slight bit of steam and the odd drip if it were to the ground but big deal ! old 70's cars and trucks were vented this way and today Dodge Cummins/IHC Ford Power Stroke/GMC Duramax and all highway trucks/Ag tractors just vent to the ground.
This is only my opinion
Dave
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It wasn't the '1970s, it was 1961. Some road draft tubes were still around in '62 through '64 until they were all replaced by PCVs. Early diesel pickups weren't subject to the same emissions regulations (depending on GVW) so some had road draft tubes, but those have gone away now too, as they are equipped with the diesel equivalent of a PCV.
I had a '63 GMC pickup with a straight six and a road draft tube for a while, just used it to clear some property. I never thought of turning my BMW into a GMC farm truck, but I guess it could be done.
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