Quote:
Originally Posted by kirkg
If Your an amsoil member as you know you can email or call them, i emailed
them sat and got this response today
Our Antifreeze/Coolant meets all Toyota specifications for engine coolant.
Byron Selbrede
Technical Services
Product Code: ANT1G-EA
AMSOIL Antifreeze and Engine Coolant
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I like Amsoil as much as the next guy, but they also will say the same thing about the 229.5 specification for oil in my Mercedes, but the reality is it has not been approved by the manufacturer, so I feel it's best to stick with what is approved. I know green+red can = sludge in 3rd gens, not sure how well other coolants play with the pink stuff, but I'd be leery.
Some guys with MB V8's that require 229.5 oil (there is a HUGE list of approved oils by Mercedes) have used Amsoil in their engines and developed sludge or ticks, as well as less-than-favorable Blackstone reports. Of course just as many have used it with ZERO issues, but sticking with manufacturer approved stuff is always the safest bet IMO. Of course Mercedes are probably 10x more picky about fluids than our Toyotas, but when it comes to coolant and ATF I always stick with OEM supplied stuff only, diffs, oil, t-case, brake fluid, etc., is all fair game though.