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Old Nov 26, 2023 | 05:56 PM
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Default Winterizing a C6

I am a recent owner of a 2009 Corvette coupe and getting ready to store it in a garage for the winter months in the Northeast. Any suggestions on which type/brand of trickle charger to use on the battery (located in the front engine compartment) along with the best way to connect it? Any other suggestions for the winter storage?
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Old Nov 26, 2023 | 06:12 PM
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Maybe try a search on this forum. Tons of threads and suggestions. No need for another.
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Old Nov 26, 2023 | 06:50 PM
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Originally Posted by rapiano@aol.com
I am a recent owner of a 2009 Corvette coupe and getting ready to store it in a garage for the winter months in the Northeast. Any suggestions on which type/brand of trickle charger to use on the battery (located in the front engine compartment) along with the best way to connect it? Any other suggestions for the winter storage?
https://www.walmart.com/ip/Battery-T...rger/782270305
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Old Nov 26, 2023 | 06:59 PM
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Hi and welcome. I would suggest a Deltran Battery Tender Plus for the Battery Tender. I have had mine since 2010, use it from Nov-Apr each winter 24-7, and from May-Oct, use it daily to recharge my golf cart 12V battery. It does not owe me anything. I actually purchased a new one last year, just in case, but it's still in the box. After 13 years of pretty much year round usage, it's still going strong.
The other items
Fill up gas tank, put Stabil in the tank.
Pump tires to 35-40 psi
Leave hood ajar in case battery goes bad.
Put some Bounce sheets in the car
Put the cover over the car-uncover in the Spring.
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Old Nov 26, 2023 | 07:57 PM
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As above, but add a bottle of Techron as well, and add both before you fill the tanks so that it mixes. Best to do this with the fuel gauge below 1/4 if possible so that the additives flow and mix into both tanks, and then run the engine at least 5 minutes so the Stabil and Techron flow through the entire fuel system. So, arrive at the gas station with the car up to operating temperature if possible, add, fill up, and drive home.
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Old Nov 26, 2023 | 08:19 PM
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Thank you!
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Old Nov 26, 2023 | 08:26 PM
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If your situation allows, and this is what I personally do, drive it if it’s above 40 and dry and no salt on the ground. I am in the NYC area and don’t store the car. It’s in a heated garage that sits around 65 in the winter and 68 in the summer on a battery tender. Sunoco 94 octane. When I suspect it will sit a couple weeks, I’ll pump the tires up as well.

Otherwise, Stabil for sure. I personally have not used any.
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Old Nov 27, 2023 | 09:55 AM
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Originally Posted by FatsWaller
As above, but add a bottle of Techron as well, and add both before you fill the tanks so that it mixes. Best to do this with the fuel gauge below 1/4 if possible so that the additives flow and mix into both tanks, and then run the engine at least 5 minutes so the Stabil and Techron flow through the entire fuel system. So, arrive at the gas station with the car up to operating temperature if possible, add, fill up, and drive home.
Tanks?
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Old Nov 27, 2023 | 10:01 AM
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Originally Posted by oldcanuck
Maybe try a search on this forum. Tons of threads and suggestions. No need for another.
If everyone did a search, there would never be any new posts. Everything there is to discuss has probably already been discussed at some point.
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Old Nov 27, 2023 | 10:35 AM
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Originally Posted by PAPAYOYO
Tanks?
You’re welcome!
There are 2 fuel tanks - left and right, joined by a crossover hose.



If you search for it, there's a pretty good write up on the forum of how the system operates and pumps fuel from one tank to the other.

Last edited by FatsWaller; Nov 27, 2023 at 12:47 PM.
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Old Nov 27, 2023 | 10:45 AM
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Originally Posted by FatsWaller
You've welcome!
There are 2 fuel tanks - left and right, joined by a crossover hose.



If you search for it, there's a pretty good write up on the forum of how the system operates and pumps fuel from one tank to the other.
Learned something today. Thanks
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Old Nov 27, 2023 | 11:07 AM
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One last thing....don't get into the habit of starting it, letting it run for a while, then shutting it off. Unless you are going to take it out and drive it and let everything get all warmed up and cozy, best to leave it alone for the duration of the winter till spring. We are lucky here in Tennessee in that we have pretty mild winters generally so no big deal to "prep for winter."
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Old Nov 27, 2023 | 07:50 PM
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Fill up gas tank, put Stabil in the tank.
Pump tires to 35-40 psi
Leave hood ajar in case battery goes bad.
Put some Bounce sheets in the car
Put the cover over the car-uncover in the Spring.
Plus change the oil before storage. I rather the car sit in clean oil than dirty oil.

​​​​​​​CTEK is a popular battery tender.
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Old Nov 27, 2023 | 08:08 PM
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Welcome to the site and congrats on the purchase. You will get a million different answers on winter storage but the two most important things to do are using a trickle charger ( Battery Tender Plus 12 Volt) and Stabil in a full gas tank. As others have suggested do a google search linking corvette forums (the search on here sucks imop).
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Old Nov 27, 2023 | 09:47 PM
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Send it down to me and I'll drive the snot out of it all winter. No charge for the service. It'll be good to go when you pick it up in the spring.
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Old Nov 28, 2023 | 05:28 PM
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Originally Posted by TorchRedFred
If everyone did a search, there would never be any new posts. Everything there is to discuss has probably already been discussed at some point.
Ya ok. That was my cranky old man retired practical accountant side jumping on a newbie first post. Apologies to OP.
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Old Nov 28, 2023 | 06:01 PM
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Originally Posted by gilbybarr
We are lucky here in Tennessee in that we have pretty mild winters generally so no big deal to "prep for winter."
Just quit driving one of my C6s for a day or two. Left it under the open air carport.
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Old Nov 28, 2023 | 06:25 PM
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Originally Posted by torchredfred
if everyone did a search, there would never be any new posts. Everything there is to discuss has probably already been discussed at some point.
exactly!
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Old Nov 29, 2023 | 07:52 AM
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Originally Posted by 4SUMERZ
The other items
Fill up gas tank, put Stabil in the tank.
Pump tires to 35-40 psi
Leave hood ajar in case battery goes bad.
Put some Bounce sheets in the car
Put the cover over the car-uncover in the Spring.
I'm just curious, if these Bounce sheets are the ones you put in the clothes dryer to keep clothes from wrinkling, what do they do for a car?
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Old Nov 29, 2023 | 08:42 AM
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Just remembered something else that I do. It’s been suggested that the entry point for mice into the cabin air intake system is the space around the wiper arm posts through the cowl. So I stuff a few drier sheets around the posts to block the space. Take care to leave some of the sheet protruding so you can easily remove them. As to what the sheets do, it’s alleged that mice don’t like the smell, so the sheets discourage them. And of course keep your car from wrinkling. Mine always emerges from the cover in the spring nice and smooth, so it must be true,
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