Quote:
Originally Posted by pgustavson
I think the check valve in them causes issues, frankly. The complaints that I've seen most have been rattling noise and oil leaking out of the breather-cap. Apparently, removing the check valve cures the rattle. I've not experienced the rattle, but from time-to-time my breather-cap is soaked in oil. The only thing I can think of is something is getting blocked/stuck and allowing the crankcase to pressurize. I've done the "orifice drill mod" that Tracy constantly recommends, but I've had the oil soak issue again anyway. I've got a Mike Norris catch can on order. I'll swap that in and see if anything changes.
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Mmmm I have mine a year +, no noises, no soak breather cap... I might be lucky! But I'll be checking this since Im doing a oil change before Indy, I guess I'm coming back with a new catch can...