Post Master General
Join Date: Apr 2012
Location: Bowling Green, VA
I Ride: '09 ZX6R
When you change the angle of the oil in the crank case, you cause more oil to be slapped up into the available volume. When there is positive pressure in the cases, the venting system will draw that into the intake -- behind the filter, surrounding the area that the catch bottle is located.
I'd be concerned, as that bottle holds a fair number of cc of oil.
If you do the math on what the volume is above a piston when it's at TDC, that's a small number.... on the order of 11 or 12 cc.
For the PCV valves to toss enough oil fog into the air box, to fill that bottle..... how much do you think is going through each cylinder? Hard to see as it burns up with the fuel/air mixture, and gets further reduced if you still have the cats in the header. No smoke, so it must all be good, right?
Until it isn't.
If you manage to get more oil into a cylinder than can be compressed, the first thing that should happen is the rings will get blown off the cylinder wall. A loss of compression will occur. If you are lucky and it only happens for a small, small part of a second, you may never know you had an issue.
If it happens for a long enough period to bend a ring, so it binds up on the cylinder wall and breaks; bad news.
If you manage to get enough in there that a piston cannot make it to TDC, a bent rod, or a spun bearing may result. Or both, which leads to the pictures of holes in cases, etc..... followed by the 'what motor fits in my frame?' thread......
"Basic stuff fellas. Use your head for something other than to break your next fall."
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