ENOUGH SAID!!!    And God Bless You All    Eddie

Eddie

Lake Forest, Ca. 92630

sorry guys like cereal killer i cant stand it any longer

any guy that can get his car out of a shed after winter put it on a truck & without raising the hood can pull 11sec runs on a drag strip knows what he's doing, i believe the original thread of dutchys was a simple re-post of his old thread which seems to have got highjacked .

btw dave as you have only been with us a short time the reason your specified thread from mr4sppedford didnt get told about picture posting is john may have broadband so he woudnt have trouble loading it & as ted hasnt said anything its possible being as busy as he is may not have seen that post yet & both are the moderators for the whole site as jim the owner cant keep an eye on everything while he works in the back ground so we can all benefit from y-blocks forever. thats all im going  to say.

moz. geelong victoria australia.

graduate 1980, bus, truck, car, hot rod, boat, submarine, hovercraft, hydrafoil, firetruck, mobile home, jet, helicopter, cruise ship, motorcycle, bicycle, santa's sleigh, clock, alloy bullbar, alloy fuel tank, lens, dr who's tardis, matter - anti matter warp drive buffer & y-block lover

Amen Cereal Killer. After 40+ years as a mechanic in Ford dealers, I have never seen a crankcase explosion and have only heard secondhand stories about them. If your car is running so bad it might have a crankcase explosion, you have more problems than a wrong PCV valve.

Dan      Kingman Az.      86409

Aloha!
My 312 has the road-vent tube w/ canister on the lower left (drivers side) of the block.  There is no hole up on top rear of the block by the distributor.  Anybody know of some adapter kit or recommended way to simply utilize the existing road tube or that location for PCV.  I do have a 4BBL mounted carb spacer already with a blocked tube I can use to pull fumes in.  
Mahalo!

Welcome to the site.
PCV valves do need to be as high up in the engine as possible to take advantage of heat rising which helps in removing cold start moisture residuals and other contaminants.  Attempting to hook up the PCV valve at the lower block road draft tube opening never has good results simply due to too much oil spraying around in that area and that oil getting picked up in the lower mounted PCV valve and sucked back into the cylinders.  Valve covers and the valley cover are the accepted locations for a PCV valve.
 
Here are links to a couple of past threads giving some more details on PCV valves.
Crankcase evacuation
Why a PCV valve or system? 

Lorena, Texas (South of Waco)

Just saw this old thread today.
Whether there is/was any confrontation doesn't matter to me at all.
I learned a lot & appreciate the education.
I'd like to know what one does for  PCV on a modified engine with low vacuum?
How's that accomplished? Maybe I'll start a new thread.
Jim

I hate food fights (well, not really) but there seems to be a little confusion on this subject.

Just because one has never seen a crankcase explosion does not mean they do not occur. The valve is also a safety device for the system in that it shuts off the crankcase from the intake manifold in case of an intake manifold backfire.

The PCV valve will also protect the engine in case of a backfire, which causes a sudden high-pressure pulse in the intake manifold. This forces the PCV valve closed so that the backfire flame can’t reach the crankcase, where it could ignite flammable fumes and cause damage.

SOURCE- http://dannysengineportal.com/pcv-positive-crankcase-ventilation-valve-faq/

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