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skiknox
10-28-2012, 12:22 PM
Guys,
after getting everything I needed from the lt1 checklist I had all intentions of winterizing today. The forecast had a different idea, steady rain all day. Well the next couple of nights they are saying mid 30's. Ive seen some forecast say 32 and some 35. Question is what sould I do. Boat is in a open in the front only carport, is this a must do today no matter what the weather is? could i put a heater in the carport to keep a little heat in there?

JimN
10-28-2012, 12:30 PM
Guys,
after getting everything I needed from the lt1 checklist I had all intentions of winterizing today. The forecast had a different idea, steady rain all day. Well the next couple of nights they are saying mid 30's. Ive seen some forecast say 32 and some 35. Question is what sould I do. Boat is in a open in the front only carport, is this a must do today no matter what the weather is? could i put a heater in the carport to keep a little heat in there?

Drain it (block, oil cooler and remove the plugs/disconnect the hoses at the rear of the exhaust manifolds), remove the hoses at their lowest points and crank it over. Leave the hoses off, so any remaining water has a place to go if it needs to expand. Once it warms up again, you can reattach everything and finish the job.

FWIW, when the winterizing season ran long/winter came early, we were out there in all kinds of weather, including rain and snow. If it can be put under a car port, why can't you do the whole thing?

skiknox
10-28-2012, 12:46 PM
the carport has very little working room and low height clearance. Its on a slab with block on all sides but front not really where a want have it running dumping water in there for several minutes.

waterlogged882
10-28-2012, 01:00 PM
..........

tideengineer
10-28-2012, 03:49 PM
The shop light is cheap and a good insurance policy. I do it anyway in he cold

catamount
10-28-2012, 07:21 PM
I've heard that it takes 29 degrees for 3 days straight to pop the freeze plugs. Don't forget that if it's 50 degrees during the day, the massive engine block will hold some of that head into the night.

I wouldn't lose a wink of sleep about a night of 32, or even a week of 32 degree nights (as long as it got into the 40s during the day).

skiknox
10-28-2012, 07:43 PM
thanks guys, I really thought it would be ok for a night or two just wanted to hear it. My first ownership of a mastercraft and inboard so I need to get to know it. So i went ahead and removed manifold plugs and block plugs and all lowest hoses. Man this site has helped me soooo much.