picture ones show hole in seal....
picture two shows zddp being added to 5 qt jug of oil
picture 3 shows cap back on 5 qt jug of oil after being shaken ....
Z written on cap to let me know that the zddp has been added...cause same oil brand is used for pick ups...and other vehicles not needing zddp...
whole time took probably 5 minutes since I left the small 4 oz container drain while I was doing other things...multitasking ....
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