What is this road draft tube connection called and where do I get one?

Converting an old road draft system in a sbc to new PCV system. this piece goes into the back of the block in the hole by the distributor. Ok I have been looking for one of these but I can't even find the name of this thing! Thanks Jay

 

may have one in my wayback box

 

Road draft tube thingamabob.

 

They are repopping the road draft tubes, and the ventilation cannisters, but not this part apparently. I need one to at some point. And what it's called? How did you even find a pic of one? Butch/56sedandelivery.

 

Well Butch I found this on google search and I have seen a couple threads on the pcv conversion but no one has actually named this piece! lololol
Jay

 

Road draft tubes and oily underframes are traditional !!

 

Well, I found one, but you're not going to like the price. Ouch!

https://www.paragoncorvette.com/p-349523-crankcase-vent-tube.aspx

 

$17 on eBay:http://www.ebay.com/itm/CRANKCASE-V...Parts_Accessories&hash=item337d6e5576&vxp=mtr

 

Much better price! Thanks man! That $75.00 dollar price made me puke in my mouth a little!
Jay

 

Just what makes so many old boys want to do away with the road draft setup anyway?

 

i know they are getting harder to find , but you should be able to find one in a junk yard that still has some older stuff. whenever i see one i try to get it...i have several

 

Haaaaahahahaha! Look at us all bidding on this item now! Now that is some funny shit! Voodootwin you should get a commission on this from the seller! That seller is going to wonder why all the action started on this item. It feels like storage wars! Bidding each other up just to see how far it will go! lololol

 

LOL! Sorry! I guess I should have PM'd you instead.

 

Naw man it is ok! lololol I think its funny!
Jay

 

hamb member...Lucky Strike,had a thread posted 12/29/06 on the conversion.lots of good info hope that helps. AC Delco & Napa had kits to do this, included all parts

 

At least you know what it's called!

 

I welded a pipe fitting in a soft plug and had one for free.

 

Check this thread out: PCV valve for road draft tube block SBC

 

^^^^^thats the thread I was referring to

 

Because the road draft tube was NOT nearly as effective at ventilating the crankcase as the PCV system That's why the industry started to change over in the mid '50s.

 

I saw that one coming.

Says Corvette on it = high price.

 

True true!

 

And all this time I blamed it on the California tree-hugging beads & sandals folks .... my mistake.

 

Very true but California mandating them in 1961 followed by New York in 1962 certainly accelerated the change over. Turns out that along with the exhaust, the road draft tube is also a major hydrocarbon emission source.

 

Probably because it isn''t considered very cool to cruise slowly past a group of people with a cloud of smoke (blowby) drifting out from under the car. The damned things were called road draft tubes for a reason, you had to be at road speed for them to work when the air going past the end of the tube drew the fumes and pressure out of the crankcase.

 

Even with a tight engine, or just one that is worn out?

In any case, there's a good argument against PCV valves in that they are why you see all that oily carbony crud on the back side of your intake valves.

 

You can get an appropriate sized rubber grommet and use it in place of the tube.

 

drill it , install the right size tube for vac. and its a done deal. or plug solid and get valve covers with hookups for the pcv valve.
I want to take a late eng. and put the script valve covers on it and have the opposit problem.