be careful of bars,I found it only effective in american cars and trucks.It seems japanese and german cars,have smaller core row sizes.It seems everytime I have used it,my radiator turns into concrete.I use aluma seal in stead.Its really fine power,passes thru are rows easy,and seals leaks.I use it every anti freeze cleansing,as a precaution

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1999 w140, quit voting to old, and to old to fight, a god damned veteran, deutschland deutschland uber alles uber alles in der welt