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Old 10-09-2020, 05:58 PM   #40
Graeme / New Zealand
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Join Date: May 2010
Location: Lower Hutt , New Zealand
Posts: 2,125
Default Re: Cooling system help needed

When I had my 46 I put some of that powdered stuff ( was Motorcraft) in the rad and run if for a while it bubbled and foamed and overflowed for a while but it cleaned out the crud and you could eventually see nice copper down the radiator throat. no problems after that.

GB
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