318 Motor, please help

Beautiful car, but you can see in this picture that he posted in his other thread that the PVC hose is hooked up to a breather. But, it's fixed, and it's why we are here !!

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totally bonehead move on my part. now i have to ask this......can i just plug the hole on the back of the carb since i dont have power brakes, and just use a standard breather.......or do i need to order the PVC valve and connect it to the carb?