WE MAKE SERIOUS PONTIAC HORSEPOWER
AND WE KNOW MORE ABOUT BUILDING STOCK PONTIAC ENGINES THAN ANYONE.
This is the simplist method to set valves, check lash, or set lash.
This method allows you to do one side of the engine at a time, thus keeping
the other valve cover on to minimize dirt or other contamination.
EO means Exhaust Open.
When the Exhaust valve just begins to Open - set the intake valve.
IC means Intake Closes
When the Intake valve just Closes - set the exhaust valve.
You'll find as you begin on #1 cylinder that you'll simply skip over the next cylinders
nearest valve and resume checking. When you've gone down one side - you'll find that #2
is ready to begin. All you have to do is remember four letters EOIC.
E-O, I see.