oil filler cap leaks

[justcuz]

sometimes my oil filler cap leaks on my 340

pcv system works fine..lots of vacumn

stock breather cap with a hose that goes to air cleaner

stock valve covers with baffles

should i look for a replacement cap

or is there another fix

 

[RedFish]

deketed post

 

[MOBodyman]

Here's a bump for you. I would like more info on the solution to this problem myself.
Dallas