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Old 02-06-2015, 12:38 PM   #15
Driftless
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City: Taunton, Mass.
Country: USA
Vessel Name: Rise & Shine
Vessel Model: Prairie 29
Join Date: Jan 2015
Posts: 70
All the GM technicians I know change out Dex-cool for good 'ol (green) ethylene-glycol based anti-freeze.

But, all antifreeze is not created equal. Caterpillar ELC (Extended Life Coolant) is propylene glycol based, and will with periodic testing last indefinitely.

YMMV!

Be calm and cruise on!

JS
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John R. Stewart
"Rise 'n Shine" Prairie-29, (formerly) "Driftless" Albin-25, Hull number 737
Dighton, Massachusetts, USA
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