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how much water is left in engine?

4x4d Truck

New Member
March 8, 2012
Reaction score
City, State
Everett, Washington
Year, Model & Trim Level
1992 Explorer Sport 4x4
92 explorer sport 4by, 4.0L/manual. installed a flush tee kit and found that now, when i drain my radiator, if i unscrew the tee cap, more liquid drains out. flushed it with water and super flush, then with water again. after i drain the rad. and bleed the tee, how much water is left in the engine block, i need to know so i can add the same amount of straight coolant before i add the 50/50. Thanx for any help!!