Quote:
Originally Posted by 520SC
A SAE certified mechanic recently recommended that I drain/flush my coolant system and install anti-freeze that's made for Japanese cars, the reason being that those are formulated to be compatible with aluminum blocks and cylinder heads. Traditional American anti-freeze coolant blends tend to eat away at aluminum over time.
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Uh, the big three have been iron/alloy block/heads for like 20 years!?! All of the domestic anti freeze formulas for light duty are aluminum compatible.