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Old 13-04-2015, 23:47   #1
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What Coolant for Detroit Diesel 12v71T

I have two Detroit Diesel 12v71T circa 1983 but no manuals and need to know what type of coolant to use. Any ideas or Brand recommendations would be truly appreciated
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Old 14-04-2015, 03:55   #2
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Re: What Coolant for Detroit Diesel 12v71T

Not a good idea to use automotive type inhibitors in 71 series detroits as they are high in phosphate and silicates. Detroit recommend Powercool plus 6000 for marine use.
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Old 14-04-2015, 03:58   #3
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Re: What Coolant for Detroit Diesel 12v71T

See ➥ http://www.demanddetroit.com/pdf/voc...Selections.pdf
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Old 15-04-2015, 17:21   #4
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Re: What Coolant for Detroit Diesel 12v71T

Thanks for the PDF. It has all the information I need.

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