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Old 05-19-2011, 03:09 PM
rohrt rohrt is offline
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Join Date: May 2004
Location: Cedar Rapids, IA
Posts: 4,196
Question Rusty coolant and radiator flush

I had some really nast brown coolant in the radiator when I pulled my motor, enough to plug up the petcock when I tried to drain it.

Anyway its obviouse I will be flushing the system but I want some opinions on if I should use a flush cleaner.

Read about a wide range of different things to try:
Coke
Viniger
Preston super radiator cleaner
GM P/N 123465000 2 part cleaner
Lestoil
Oxalic acid + Neutralizer
Dupont 2 part flush.
spic and span
Permetex 80030 HD Radiator Cleaner

Looking for some feed back. I don't want to create a new problem.

 


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