Originally Posted by OneBadGMC
Originally Posted by cepx111
If you have a header evacuation system it could be sucking oil out of the valve covers especially if you dont have baffles under your breathers.
>Cp
Zoomies don't use header evacs!!!
Might be sucking oil through the guides if you don't run valve seals. Might be sucking oil through the rings if you run low tension rings. Have you done a compression check on that cylinder yet?
Opps didnt catch that one, my bad.