Revving engine while car is in storage
Thread Starter
Race Director
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From: not far enough from Chicago
I can’t remember where. If you want to follow GMs detailed information for storage is ridiculous. I can’t remember where to find that either. A couple of their recommendations are to put the car on stands and wrap the tires in big plastic bags. That may be for very long storage times though.
I figured this Smiley out
I figured this Smiley out
Thread Starter
Race Director
Joined: Aug 2002
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From: not far enough from Chicago
HUH, Your explaination is a huge concern. (pondering smiley)
Thread Starter
Race Director
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From: not far enough from Chicago
Last edited by StevieB; Mar 2, 2008 at 01:09 PM.
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http://www.corvetteactioncenter.com/...e/storage.html
On page four at the top of the page in the article referenced above it says:
Engine Start
Last but not least: "Should I start my Corvette periodically, or leave it alone until it's ready to come out of storage?" This is definitely the most commonly asked question when it comes to automotive storage and there seems to be two opposing sides. One side feels that you should start your car at least once per month and let it run for a good 20 minutes plus until the cooling fans kick in. The other side feels that you should leave the car alone until it's time to remove it from storage. Again, we asked David Scott at GM. "It is always best to start your vehicle once a month if possible."
But the article doesn't say anything about revving the engine to redline....and personally I cannot imagine that there would be any benefit to this practice. This is one opinion......
On page four at the top of the page in the article referenced above it says:
Engine Start
Last but not least: "Should I start my Corvette periodically, or leave it alone until it's ready to come out of storage?" This is definitely the most commonly asked question when it comes to automotive storage and there seems to be two opposing sides. One side feels that you should start your car at least once per month and let it run for a good 20 minutes plus until the cooling fans kick in. The other side feels that you should leave the car alone until it's time to remove it from storage. Again, we asked David Scott at GM. "It is always best to start your vehicle once a month if possible."
But the article doesn't say anything about revving the engine to redline....and personally I cannot imagine that there would be any benefit to this practice. This is one opinion......
Racer
Joined: Sep 2003
Posts: 490
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From: Slinger WI
http://www.corvetteactioncenter.com/...e/storage.html
On page four at the top of the page in the article referenced above it says:
Engine Start
Last but not least: "Should I start my Corvette periodically, or leave it alone until it's ready to come out of storage?" This is definitely the most commonly asked question when it comes to automotive storage and there seems to be two opposing sides. One side feels that you should start your car at least once per month and let it run for a good 20 minutes plus until the cooling fans kick in. The other side feels that you should leave the car alone until it's time to remove it from storage. Again, we asked David Scott at GM. "It is always best to start your vehicle once a month if possible."
But the article doesn't say anything about revving the engine to redline....and personally I cannot imagine that there would be any benefit to this practice. This is one opinion......
On page four at the top of the page in the article referenced above it says:
Engine Start
Last but not least: "Should I start my Corvette periodically, or leave it alone until it's ready to come out of storage?" This is definitely the most commonly asked question when it comes to automotive storage and there seems to be two opposing sides. One side feels that you should start your car at least once per month and let it run for a good 20 minutes plus until the cooling fans kick in. The other side feels that you should leave the car alone until it's time to remove it from storage. Again, we asked David Scott at GM. "It is always best to start your vehicle once a month if possible."
But the article doesn't say anything about revving the engine to redline....and personally I cannot imagine that there would be any benefit to this practice. This is one opinion......
Le Mans Master
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From: PNW
The main key to doing winter storage startups is to get the engine to full operating temperature. Since the C5 has the oil temperature monitor, use the DIC to ensure the oil reaches 200+ deg F before shutting the engine down.
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Le Mans Master
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From: PNW
To the guys who keep saying revving a motor with no load is going to damage it ... can you give us some technical links to back those statements up?
There is no technical way a motor held at say 3000 rpm with no load is under any more stress (it's actually under much less stress) than a motor held at 3000 rpms under heavy load.
But again, I'll say that holding any engine near redline regardless of the load isn't ideal for any motor.
There is no technical way a motor held at say 3000 rpm with no load is under any more stress (it's actually under much less stress) than a motor held at 3000 rpms under heavy load.
But again, I'll say that holding any engine near redline regardless of the load isn't ideal for any motor.
Le Mans Master
Joined: Sep 2007
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From: Belleville Il
Just got back to your post,and your update on your procedure scares me even more.To the best of my knowledge these motors run forged pistons.Forges pistons are fitted with very loose skirt to wall clearances because they expand much more than the weaker cast pistons.It takes a lot more than 20 or 30 seconds for the pistons to warm to the proper tolerances.In other words that kind of revving of a cold piston is beatin your piston skirts.If you've only done this a few times probably no serious harm,,But I would immediately stop this practice.1500 to 2500 will provide MORE than enough wall lubrication.That's the RPM recommendation for break in of my big blocks flat tappet cam,where most of the lubrication comes from cast off from the crank shaft.If that will cover a cam shaft it's getting plenty on cylinder walls where the pistons will distribute and coat the walls.PLEASE don't do that to a cold engine,or you'll be greeted to more progressive sound of "piston slap" in the morning.believe me I'm no timid old man,my babies are no stranger to a lead foot.My shark has been to Gateway International on test and tune nights ,just got My FRC and it'll be there as soon as they open,I gotta know what she'll do.Any questions feel free to shoot me a PM
Last edited by itzza427; Mar 2, 2008 at 04:29 PM. Reason: add on
Le Mans Master
Joined: Mar 2002
Posts: 5,955
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From: PNW
Just got back to your post,and your update on your procedure scares me even more.To the best of my knowledge these motors run forged pistons.Forges pistons are fitted with very loose skirt to wall clearances because they expand much more than the weaker cast pistons.It takes a lot more than 20 or 30 seconds for the pistons to warm to the proper tolerances.In other words that kind of revving of a cold piston is beatin your piston skirts.
Last edited by ZeeOSix; Mar 2, 2008 at 04:43 PM.
Le Mans Master
Joined: Sep 2007
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From: Belleville Il
hammer time fo the skirts 
Le Mans Master
Joined: Mar 2002
Posts: 5,955
Likes: 161
From: PNW
On my Corvette I run the engine at maybe 2k-3K steadily for maybe 20 seconds or so. It’s after that that I do 5 or 6 high revs and let it idle for several minutes before shutting it down.
Le Mans Master
Joined: Sep 2007
Posts: 7,604
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From: Belleville Il
Yep,,stand corrected,,Read original post last night,checked back in today in the middle,saw the 20 second thing and got the *******!!
By the way Steve, just click on the little face you want and it'll show up where ever your cursor line is
By the way Steve, just click on the little face you want and it'll show up where ever your cursor line is