I was led to believe the reason for removing the impeller was to not have it in a single position for a number of months – it could take a set and not work correctly. I did that religiously for a few years and then stopped bothering after seeing no ‘set’. I change it every couple of years anyway (have quite a collection), and have had no problems on start up. I do keep a small heat source on board during the coldest months (middle Maryland, so it is not too bad) so probably don’t get the horrid minus temperatures.
Gary From: CnC-List [mailto:[email protected]] On Behalf Of Marek Dziedzic via CnC-List Sent: Friday, October 14, 2016 1:06 PM To: [email protected] Cc: Marek Dziedzic <[email protected]> Subject: Re: Stus-List Winterizing 2GM20F There is a school of thought that maintains that the impeller might deteriorate in the antifreeze, especially, since most of the AF is Ethylene Glycol. IIRC, the better one would be Propylene Glycol, but it is not easily available. Btw. if AF drains, it is only better (you don’t have to worry about water diluting the AF. Marek 1994 C270 “Legato” Ottawa, ON From: David Platt via CnC-List Sent: Friday, October 14, 2016 10:37 To: [email protected] <mailto:[email protected]> Cc: David Platt Subject: Re: Stus-List WInterizing 2GM20F Tim I am curious about why you advocate taking the impeller out. Won't antifreeze drain out of your engine when you take the cover off the water pump? Respectfully david C&C 32 Wanderer
_______________________________________________ This list is supported by the generous donations of our members. If you like what we do, please help us pay for our costs by donating. All Contributions are greatly appreciated!
