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  #11  
Old 09-17-2010, 10:17 AM
nidus72 nidus72 is offline
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I'm going to fog in the cylinder for sure, but I'm still on the fence on going into the throttle plate since this one seems to less unanimous.

Captain Planet. Iíve seen other threads where you mention that you use antifreeze and you seem to be unique in this manner with the LT1. I know each person has their own unique situation. With me I would feel safer having antifreeze in there since Iíll get days over -40 for sure in the winter where I live. Any little bit of water left in the engine has a potential to cause issues.

If I go the anti freeze route (using some good quality -100 antifreeze) what do you do? Have the boat suck it up through the fresh water intake from a 5 gallon pail until you see it come out the exhaust? Iím assuming you donít/canít remove your impeller in this case and just replace it in the spring? In the spring I would need to flush the antifreeze out (collecting it from the exhaust) before putting the boat in the lake so I donít dump antifreeze into my drinking water.

Also, is the fresh water intake one of the hoses Iíve marked as A or B on the attached picture? I assume that metal budge in the middle is the housing for the impeller.

Thanks
Nidus72 (Dave)
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  #12  
Old 09-21-2010, 10:17 PM
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Originally Posted by east tx skier View Post
As for fogging, my assumption is that the LT1, being a multiport injected Chevy, is a dry flow manifold and, thus, should not be fogged at the intake. I know that's the case on my dry intake GT-40 MPI engine.

You can fog a wet flow intake though.
OK, should the MCX not be fogged through the intake as well? My buddy and I typically winterize together, I have the LT-1 and he has the MCX. Both of us fog through the intake and have for years with no problems. Have we just gotten lucky?
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  #13  
Old 09-21-2010, 10:23 PM
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What is this "Winterization" you speak of???
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  #14  
Old 09-21-2010, 10:48 PM
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I use some marvel mystery oil (per the manual). Also, I fog the cylinders directly. I don't use antifreeze because we live in the South. However, if our winters got to anything negative (let alone -40) then I would 1) move somewhere warmer 2) use some type of antifreeze that was safe for aluminum heads. Change the oil before hibernation, then make sure you use some fuel stabilizer that combats the effects of the ethanol in the gas too.
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  #15  
Old 09-21-2010, 11:46 PM
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Originally Posted by captain planet View Post
OK, should the MCX not be fogged through the intake as well? My buddy and I typically winterize together, I have the LT-1 and he has the MCX. Both of us fog through the intake and have for years with no problems. Have we just gotten lucky?
I would say lucky. But I'm no mechanic.
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  #16  
Old 09-23-2010, 04:58 PM
nidus72 nidus72 is offline
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Uncleboo, -40 is not that bad when it's a dry cold

I think I'm going to copy Captain Planet and do the non-RV anti-freeze, I will fog directly into the cylinders, now just have to decide on the direct spray into the intake. I'm still on the fence about this one but it seems like the only way to get some oil protection to the valves etc.
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  #17  
Old 09-23-2010, 07:08 PM
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My manual says directly into the spark plug holes. FYI: Rambo Marine in AL just sent out a newsletter and they said only TBI engines should be fogged through the intake.
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  #18  
Old 09-23-2010, 09:10 PM
nidus72 nidus72 is offline
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Thanks, maybe I'll just do the cylinders through the spark holes then.
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