I'm not expert in PCV hoses but could there have been
a few different vendors that supplied Chevrolet with their
own hoses? Maybe that could be why you have both a non-
ribbed hose and a ribbed one?
Sal
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I currently own a 1969 Camaro SS350. Although the original drivetrain is long gone, this 4/speed car has a March '69 HC coded block with #041 heads. The transmission is an M20 Muncie #660 case and the rearend is a BS coded 12 bolt posi. Built in Van Nuys.
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