yes, its a 20GM or MG20.  Fresh water cooled, uses anti freeze and a raw
water pump.  I don't think 1 minute would hurt since there is water
circulating via the fresh water pump, but not sure how long the raw should
take to kick out water.

On Wed, Aug 10, 2016 at 9:08 PM, Josh Muckley via CnC-List <
cnc-list@cnc-list.com> wrote:

> You have an inboard?  Have you replaced the impeller?  Having no other
> details it doesn't a minute does not sound ridiculously long to wait.  I
> would keep an eye on it though and definitely replace the impeller if you
> don't have a record of its last replacement.
>
> Josh Muckley
> S/V Sea Hawk
> 1989 C&C 37+
> Solomons, MD
>
> On Aug 10, 2016 7:57 PM, "Lorne Serpa via CnC-List" <cnc-list@cnc-list.com>
> wrote:
>
> When I start my boat after it's been sitting for a few days it seems like
> it takes maybe a minute before the water comes out the tailpipe. How long
> is reasonable to wait? I have no heating issues.
>
> Lorne Serpa
> C&C 30MKII 1988
> Friendship,  MD
>
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