View Single Post
  #20   Report Post  
posted to rec.boats
Richard Casady Richard Casady is offline
external usenet poster
 
First recorded activity by BoatBanter: May 2007
Posts: 2,587
Default ¿¿¿Winterizing a V-8 houseboat engine???

On Wed, 10 Dec 2008 17:21:31 -0500, Dave Brown
wrote:

PLUS, it will be mixing with the water that is
already there thereby reducing the protection level (and possibly
passing the threshold of protection).


Adding 10% water to pure glycol, which freezes at 8 F, lowers the
freezing point to -90 F.

Casady