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nickespi 11-03-2013 12:40 PM

Forgot to fog
I winterized my 30 yesterday by myself for the first time. Unfortunately I forgot to fog the engine. I've already ran antifreeze into the system and I'm wondering if I am screwed.

CruisinGA 11-03-2013 12:43 PM

I think fogging for a single winter storage is not really necessary. That said, I still do it.
If you decide you need to, just take out all sparkplugs, fog each cylinder, turn the engine over a few times with lanyard removed and reinstall plugs.

Jerseydave 11-03-2013 01:11 PM

^ do this. If you have an MCX engine or any dry intake engine, this is the proper way to fog anyway.

pbgbottle 11-03-2013 01:55 PM

I fog my boat every year fill tank put stabil in it etc

but just thought I would mention I have an old small block chev powered FJ40. That sits 10 months of the year for the past 6 years and I have never fogged it or put stabil in the fuel and it starts just fine every year

maxpower220 11-03-2013 03:56 PM

Just pull the plugs and fog. There is no need/reason to turn the engine over (especially using the starter), as the rings will wipe the cylinder walls clean.

Then replace plugs and you are set.

blackhawk 11-03-2013 07:27 PM


Originally Posted by Jerseydave (Post 989333)
^ do this. If you have an MCX engine or any dry intake engine, this is the proper way to fog anyway.

Jerseydave - The Indmar manual for my MCX 350 engine says to remove the air filter and spray 4-6 ounces of fogging oil through the inake opening. This is how I did it when I winterized a couple of weeks ago, seemed to work just fine. Just wondering if I am missing something? I went back through the manual and didn't see anything about fogging through the spark plug holes.

jakethebt 11-03-2013 09:26 PM

I thought the MCX is a dry intake engine meaning the proper way to fog it is via pulling the plugs and spraying in each cylinder.

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bturner2 11-04-2013 06:35 AM

If it's an MCX it is. I was told and have read multiple times the correct way to do any multiport engine is through the spark plugs.

CantRepeat 11-04-2013 07:03 AM

1 Attachment(s)
From Indmar's 5.7 winterization manual.


Remove the spark plugs and squirt one to two tablespoons of oil (SAE 10W or Marvel Mystery
Oil or Fogging Oil) into each of the cylinders through the spark plug holes. Engage the starter to
crank the engine over a revolution or two to distribute the oil on the cylinder walls. Replace the
spark plugs.

CruisinGA 11-04-2013 07:25 AM

I feel so validated. ;)

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