Quote:
Originally Posted by Sugar Bear
CRC ThermoCure works really well for cleaning cooling systems, draining and refilling won't do it. Nate may have experience with citric flush, I don't.
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Sorry I don't quite follow. Do you mean the CRC needs to be in there with the water pump circulating it around to work, on the block internals? So use that after it's all back together? I probably got mixed up somewhere along the way!