Yes use an expandable Freeze plug or a freeze plug for the size hole in the back of the block and tape it in to block of the hole.    Tom B.
----- Original Message -----
Sent: Friday, November 29, 2002 4:31 PM
Subject: [Chevelle-List] Engine breathers

Hi Guys
 
I'm a little confused I need some insight into engine breathers. I have a 67 327 motor. On the back of the block next to the distributor is a hole where a breather tube with a check valve went. I have been told it is a crank case breather ok fine. Now I was reading current Super Chevy Chevelle magazine there is an article called Basically Speaking about simple engine upgrades. Anyway they talk about a weird canister in the valley area that is an internal breather and if you install breathers in your valve cover yoe size you haveu can discard this.
 
Now I do remember seen that canister and wondered what it was for. I do have valve cover breathers.
 
Is the internal canister breather part of the breather on the back of the block?
 
If not can I block the breather at the back of the block? As long as I have the breathers in the valve cover?
 
Thanks for the help!!!!!
 
Jeff

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