The oil pressure bypass valve is part of the oil pump itself. The oil pump is mounted on the underside of the engine inside of the oil pan. The oil pan can sometimes be difficult to remove with the engine still in the car but it can be done. You may have to raise the front of the engine (use a hoist or crane), after removing the front motor mounts bolts, to get clearance for the pan and suspension cross members.
One of the valve covers.
valve cover gasket
The front of the valve cover, on the drivers side will have a cap.
on an edelbrock 350 ? you mean Chevy 350 with edelbrock parts on it ? try the valve cover. open it up by unscrewing it or it may be just a pop of cap and puth the oil right in the valve cover just like every other 350 .
oil gallery plug not installed or a bad oil filter bypass valve
It's an evacuation line to collect oil fumes from the valve rocker mechanism.
There is usually a cap on one of the valve covers. There is an oil filler cap, you are just overlooking it. Look closer.
bad rings or really bad valve seals.
pull your oil level dipstick out. roll a peice of paper into a pointed funnel and pour your oil in using that New answer: There should be a oil cap on the top of the valve cover. If not then remove the PCV Valve and pour it in there. That will be in the top of the valve cover also.
on the valve cover (long metal cover on either side of intake. normally on drivers side vavle cover where it says OIL
Valve guides and/or valve seals can be worn. Allows oil to get into the combustion chamber.Oil consumption and smoking are signs of either bad piston rings or bad valve guides/valve seals.A compression check on each cylinder can help determine which.
The suitablal size of bypass valve in magma pume