Re: Cooling system flush

Posted by Owen_Dyneto On 2012/3/13 9:14:28

I know of no reason why you couldn't use it safely. But for a really effective cleaning and flush, especially if there are any rust deposits in the block, I'd rather try to duplicate the old NLA DuPont 2-part cleaner that utilized oxalic acid, followed by sodium bicarbonate as a neutralizer. Oxalic acid is particularly effective in dealing with rust residues.