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Old 09-15-2019, 02:41 PM   #4
Starter986
1998 Boxster Silver/Red
 
Join Date: Sep 2017
Location: 92262
Posts: 3,085
Quote:
Originally Posted by robdelorenzo View Post
What dilution/ratio (or simply how much) for either Simple Green or Shout?
With the SHOUT I'd go 1 part SHOUT... 10 parts water. Buy a couple jugs of the SHOUT (I believe 32 oz each container)... mix it with the water... run it through... drain... repeat another time or two. Rinse the system. Drain. Do that until the plain water starts draining clear. Then a solid rinse with distilled water. Drain... fill with the regular coolant/water concoction.

Best wishes.
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1998 Porsche Boxster
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