Originally posted by Unabomber
While you have the right to do so, your recommendation is rather short-sighted. You have two distinct options in your scenario:
1. Engine flush via the methods in the top post and use whatever coolant you desire.
2. Use Peak Global Extended Life, which is 100% compatible for Subaru vehicles as well as 100% compatible with all other fluid types.
P.S. You have PM
thanks for that info I might try this Peak stuff.