I seem to be having alot of blow-by.....thinking I might need to drill and tap the other valve cover and run a catch can instead of it just blowing out the breather......any thoughts? I've also noticed oil coming out the dipstick if that helps point me in the right direction. I'm thinking a air/oil seperator, but figured I'd ask for some opinions before I plop down the coin.

Car has a stock block 331, On3 kit with Master Power 76mm turbo.

Thanks,
Tommy

 

sounds like rings or ring lands are shot

 

I tied in the passenger side breather(off the oil fill cap), and the PCV valve to a husky brand(home depot) air compressor water/oil separator. I also got a big edelbrock breather that goes in place of my oil fill cap. Before that my PCV valve would pop out and spray my firewall with oil. I'm running a stock explorer long block minus cam

 

that was what my thought was......thanks for the help, now to find one I like

 

those home depot rigs work great!

 

I thought I had a big problem but I was just making it worse by not letting what pressure there was vent out. Once I let both valve covers breathe a bit it cleared up

 

have you done a compression or leakdown test yet?