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Discussion Starter · #1 ·
I flushed my system the other day. I used Prestone 100% antifreeze, made for aluminum engines. (like the manual says) So here are my questions- do I need to mix 50/50 with water, or does it matter if I did not? I didnt, and Im thinking I probably should have. Another thing is that last night I started my raptor for the first time since the coolant change, and the radiator had smoke or steam coming out of it, is that normal?? should I have used a different coolant?
 

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I run a 50/50 mix, you should have some ratio of water in the cooling system whether you add it or whether you use the pre-mix.
 
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