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Old 02-06-2015, 12:38 PM   #15
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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.


Be calm and cruise on!

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