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Old 05-14-2019, 01:03 PM   #3
Awdthony
Scooby Newbie
 
Member#: 494783
Join Date: Dec 2018
Location: Florida
Vehicle:
2006 WRX STI
World Rally Blue

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Quote:
Originally Posted by Blktrax View Post
SuperBlue is 100% backwards compatible with Subaru green. However the coolant still should be serviced every 30k miles as the green was supposed to be.



Advantage is SuperBlue already premixed 50/50 with distilled water and corrosion inhibitors. Where as Subaru green is 100% Coolant and you have to make your mix with distilled water. Plus recommended adding a bottle of Subaru coolant conditioner.



Using tap water just introduces all the fun chlorine and other minerals the make corrosion and deposits form in the cooling system.


When you say add Subaru Conditioner, is that to the blue or green?
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