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Old Jul 16, 2010 | 08:14 PM
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Default Hydrolock question

Last year I was reading several posts about driving in deep water and hydrolocking the engine. I drove the vette to work today, and it came a toad strangler about an hour before I was to leave. Any direction I leave work, there are 2 places where standing water gets quite deep. I just crept thru, but could a person shut the engine off and coast thru, so the engine doesn't suck up the water. What would you do?
Old Jul 16, 2010 | 08:45 PM
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Originally Posted by avettelovertu
Last year I was reading several posts about driving in deep water and hydrolocking the engine. I drove the vette to work today, and it came a toad strangler about an hour before I was to leave. Any direction I leave work, there are 2 places where standing water gets quite deep. I just crept thru, but could a person shut the engine off and coast thru, so the engine doesn't suck up the water. What would you do?
simply not worry about it ....
Old Jul 17, 2010 | 03:35 AM
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Originally Posted by Hi/Tek/Vette
simply not worry about it ....
Im assuming he means he is simply not worrying about you driving through it

It really depends on how deep the water is. I dont have a figure for you but many, many people daily drive them here and report that just about no amount of torrential rain has been a problem.

Standing water, yeah that can be a problem. I personally wouldnt feel comfortable if it even touched the rocker panels, thats what ? four inches ? So if you are talking about like eight inches, for a length longer than the car, I might leave it and bum a ride from someone. Just an opinion.





BTW......w.......t.....h..is a "toadstrangler" (Ive lived a sheltered life apparently)
Old Jul 17, 2010 | 05:20 AM
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Originally Posted by avettelovertu
I just crept thru, but could a person shut the engine off and coast thru, so the engine doesn't suck up the water. What would you do?
Not a very practical solution, but to answer the question, even with the ignition off if the engine is still turning (pistons moving) it can suck up water (as long as there is a vacuum).
Old Jul 17, 2010 | 07:44 AM
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Thanks for the replies guys. Didn't think of the pistons still moving with the engine off. As far as deepness of the water, common sense prevails in this situation, but sure wouldn't want to take a chance on destroying the engine!

BTW, a toad strangler is a REALLY hard rain, capable of, perhaps, strangling a toad? LOL!
Old Jul 17, 2010 | 08:11 AM
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Engine off, and in nuetral, no pistons are moving...
The guys that have the hydrolock problems usually have a modified air intake where the air comes thru the license plate area. Unmodfied, the air is coming in from a much higher location.
Old Jul 17, 2010 | 08:15 AM
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Originally Posted by Phanni
Engine off, and in nuetral, no pistons are moving...
The guys that have the hydrolock problems usually have a modified air intake where the air comes thru the license plate area. Unmodfied, the air is coming in from a much higher location.
Now that really makes sense. I can see if left in gear with the engine off and coasting, it would turn the engine, but as you said, in neutral, and off, it has to coast.
Old Jul 17, 2010 | 08:40 AM
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OK, correct me if I'm wrong, but to get hydrolock your engine has to suck water in through the intake. That being said, the stock intake is fairly high and therefore the risk is minimal. If you are in water that deep, it'll probably stall for other reasons. I have never heard of hydrolock with a stock intake.

I have a Vararam intake and that is another story. The intakes are low at the very front and deep water may get sucked in. I have heard of this happening.
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Old Oct 1, 2020 | 04:47 PM
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Aside from rain, think about when washing the c8, same idea, water / detergent gets washed down channels. GM must have thought about this and designed so it wouldn't get damaged after a car wash.

It's the same with every other mid-engine car.
Old Oct 1, 2020 | 05:06 PM
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Originally Posted by MidEng
Aside from rain, think about when washing the c8, same idea, water / detergent gets washed down channels. GM must have thought about this and designed so it wouldn't get damaged after a car wash.

It's the same with every other mid-engine car.
Dude! This thread is 10 years old!
Old Oct 1, 2020 | 09:41 PM
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Originally Posted by MWWarlord
Dude! This thread is 10 years old!
Sorry, not sure why it showed up in the list of recent threads. Confused now....was not searching for any threads to read about this...it was listed as a recent thread. Very strange. I was replying the rain discussion, and it showed up in this thread.

EDIT... I get it now... it's the way the forum software lists threads. After reading one thread, if you keep on scrolling down, it then displays some other some random related thread, and can easily miss that fact that it's a different discussion since the software keeps throwing up different threads to engage the reader. Very confusing.

Last edited by MidEng; Oct 1, 2020 at 09:44 PM.
Old Oct 1, 2020 | 10:46 PM
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When you are in your profile I think you can click options, scroll down and it will let you choose to not view threads that are xx days. months old something like that.
Gotta laugh at some of the tips given on p1. lol
Old Oct 1, 2020 | 11:23 PM
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