PCV valve?

[TerryB]

Have a 87 Buick Lesabre with 164,000 miles on it and runs great. Got to thinking I have never replaced the pcv valve. Since it runs fine do I really need to change it or is it a good idea to Thanks!

[beatlebuick]

With that milage I'm suprised there isn't any blowby. At under $5.00, I would replace the PCV valve.