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Driving through deep water

Joined
30 January 2005
Messages
4,088
Location
Sarasota, FL
Okay, I live in Florida which despite being called the Sunshine State gets about 50 inches a rain a year. I've been here 7 years so I'm used to rain and driving in it and somewhat flooded streets.

But yesterday on my way home from work, it opened up. Really opened up to the point that when I took my normal route into the neighborhood and got down the street a ways I came to an intersection completely blocked by 3 stalled cars in at least a foot of water.

So, I backed up and turned around and took the longer way around on what I thought would be less flooded streets. Boy was I wrong. I came to what seemed like a little river rolling across the street with precious little choice but to plow through. The truck in front of me was making a wake like a yacht with water at least halfway up his big 'ole truck tires. I was already in deep water but I could see a rise ahead where the road came up and I went for it.

Dropped it into 1st gear, pointed it straight ahead, and kept my foot on the gas determined to make it come hell or ... high water!

And I made it! There's no doubt in my mind that my front lip was completely submerged and that if I'd opened a door, the water would have rolled right on in. I believe my scoops behind the doors were probably scooping more catfish than air for about a block at 15 mph. Enormous huge waves were being thrown up on either side of me as I plowed through. It was impressive!

I finally pulled into the driveway and had just got into the house when my wife pulled up in the SLK having just navigated the same road. Nice to know if I'd stalled she would have been one of the first to be lined up behind me honking. :)

Anyway in the end the old NSX was idling as smooth as it does any other day and not a whimper from having to play powerboat. Certainly I've had other cars that would have been laid low by such a deluge and I saw a boatload (pun intended) of cars that day that were flooded and/or stuck in the road. I don't think I did any lasting damage to my baby but if anyone has any suggestions of things to check for lingering water or sea bass, please let me know.

And to all you who are horrified by the thought of our NSX being rained upon, I say HA! It was actually kind of fun (and I hope I don't have to do it again). ;)
 
As long as no water made it to your intake, you should be fine. On the bright side, had you gotten enough water in your intake to be a problem, you'd know right away as your engine would be dead ;). From past experience, light amounts of water isn't that bad.. heck some people say it helps clean carbon deposits out of the intake manifold or something like that
 
I had my car out the other day and it started to sprinkle. I freaked! Got her home and put away with a few drops on her.

Sorry, fair weather driver here.
 
bah! now this is more what i think when people say "oh we had a little rain today and the road was flooded..

*sigh* poor little balogney sandwich.. never did find that cooler..
 

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you got lucky. why risk an engine driving thru deep water. Rain is O.K. a lake is not a good idea. I've see how well water compresses. It can make a mess when you suck water into the intake. you are a lucky nsx owner.
 
Thank God we do not get water like that here in CA. I would not have driven through deep water like that. Thank goodness you made it and suffered no damage.
 
NSX + water looks about like this....hehe.... ;) :D

4477DSC01029-med.JPG
 
I will take everyone's cautions to heart because I really don't want to hurt my car. I guess I should pay attention to where my air intake really is. It hadn't occurred to me that I might actually suck water in despite how high it was yesterday.

Anyway, I'll be careful as I can but this is my daily driver and we do get 50 inches of rain a year, much of it in the next 3 months.
 
bodypainter said:
I will take everyone's cautions to heart because I really don't want to hurt my car. I guess I should pay attention to where my air intake really is. It hadn't occurred to me that I might actually suck water in despite how high it was yesterday.

Anyway, I'll be careful as I can but this is my daily driver and we do get 50 inches of rain a year, much of it in the next 3 months.

Do you have the stock intake? This sure sounds like a situation where those with the Cantrell AIS would be in trouble..

-Josh
 
Joshs said:
Do you have the stock intake? This sure sounds like a situation where those with the Cantrell AIS would be in trouble..

-Josh

I doubt it. If there is enough standing water for the stock intake there would be enough for any intake. Unless you have the SoS NSX snorkel kit with Mach 5 submarine feature.

As for those people who say - "never drive it in the rain / fair weather only" - question for you. You do wash your car don't you? And how is that different then being out in a rain storm?

:confused:
 
I don't see what the big deal is. On my 1992 I have an after market intake which is about 2.5 feet from the ground. Water would have to be half way up the door to enter the scoop, and since it is not attached to the scoop, water would not likely enter intake. Those with a stock intake may be more vulnerable because it is connected directly to the outside air scoop. I personally would be more concerned about water getting inside the vehicle. I have driven in water about 6 inches. When fording water, go slow!!! No high reving RPM either.

I used to go driving in rivers here in Texas in jeeps. We would go through 3 feet or more of water. When hot transmissions enter cold water the air shrinks in the trans and sucks in water through the seals and vents. SO check your trans fluid for a milky look.
 
Flash Flood Allert. Have you seen cars floating away in a flash flood. Never under estimate what seems like a shallow flood on any street. The power of these running water is often unpredictable. I know people who lost their car. Even worst, they almost lost their life. And of all places.........in Las Vegas. :frown:

I'm glad you made it intact, car inclusive. Please pop your hood and check for the two A/C 10A fuse. They are in the front fuse box under the hood on the passanger side. They power the two heat exchanger fans mounted upfront and often blow if you drive through flood water. One quick tell tail sign is your A/C will not blow as cold in stop traffic. Once moving, the A/C will cool down again.

Best Regards
Paul Siu
 
I used to own a 300ZX, and posted on twinturbo.net. I can't count the number of people who have driven that car through a deep puddle and destroyed their engine. The intake scoops on that car are WAY down low, under the headlights. I thought it bordered on a design flaw.
 
Timbo said:
I used to own a 300ZX, and posted on twinturbo.net. I can't count the number of people who have driven that car through a deep puddle and destroyed their engine. The intake scoops on that car are WAY down low, under the headlights. I thought it bordered on a design flaw.

A design flaw to build a low slung sports car that has trouble driving through deep water?

Wow - I can't tell if you are kidding but you may want to read your post back to yourself so you can see how silly that sounds!

:wink:
 
matteni said:
A design flaw to build a low slung sports car that has trouble driving through deep water?

Wow - I can't tell if you are kidding but you may want to read your post back to yourself so you can see how silly that sounds!

:wink:

Not kidding! It's been a long time since I hung around the Z forum, but Z drivers seemed to agree that this happened a lot more with their low slung sports car than with any other. Look at those air intakes, WAAAY down low.

Here, just to prove i'm not crazy, even Click and Clack agree it is very low! :)

It didn't have to be "deep water", just a sudden large puddle, and often you don't have time to slam on your brakes. When I was driving around in that car in heavy rain, I was in total fear.
 
Less rain in CA than FL? Where were you this year?!!!???

I live on a hillside (everybody does out here), almost all of the roads are cut into steep canyons (including PCH) where large rocks, inches of mud, deep water and landslides regularly take over the road.

When I moved here I had to raise my NSX which makes it look a little strange, but it beats a $21K bill my NSX buddy up the street got when he ran over a medium rock. A lowered NSX would be quite stranded out here...

Anyways: I have fjorded many inches of rushing rain water that was at hub level---no problem. To the point where you would crab walk from the water pressure too.
I have deftly slid across 8" mudslides that go on for many dozens of feet. Whence I get home I would fish out large sticks, fist size rocks and washed out a hundred pounds of mud from the underside. I find the rear bar and muffler are excellent debris carriers.

I'm not recommending this type of driving, but it comes with the territory and I have yet to have any problems.

For those of you who say "NO WAY, I would never do that..." Consider that your only other only real choice would be to get a motel room for a WEEK while they clean up the roads. Alternatively, not go anywhere if there is a chance of rain. Some slides occur two or three months after the rains...seems quite dry out and all of a sudden: it looks like lava flow over a whole stretch of road. Which means that I would be driving a truck (worse SUV) on twisty mountain roads and along PCH...it would be a real waste of the NSX to keep it in the garage.


Drew
 
Joshs said:
Do you have the stock intake? This sure sounds like a situation where those with the Cantrell AIS would be in trouble..
-Josh
I was thinking the same thing. That's the main reason I've held off on the Cantrell intake since I moved to FL.

I doubt I would have tried driving through that much water, not knowing how deep it ultimately is. Would hate to wind up on the 5:00 news that way.
 
matteni said:
As for those people who say - "never drive it in the rain / fair weather only" - question for you. You do wash your car don't you? And how is that different then being out in a rain storm?
As a "fair weather only" owner, I can think of a few differences.


  • No risk of meeting idiots who can't drive on wet roads
  • Wash water is much cleaner than water that is seeped in road tar, dirt, etc.
  • The bottom of the car stays cleaner, and no water breaching of sensitive areas (CV joints, etc)
  • Less water/humidity exposure means less condensation risk in the rear tail lights
  • Oh yeah, and no risk of falling victim to the topic in this thread

:biggrin:
 
Autophile said:
As a "fair weather only" owner, I can think of a few differences.

Honestly - the best times I have had during NSX ownership where through heavy rain.

The rain was due to driving cross country with or to join up with other NSX owners! The best of the best was the NSXPO I attended where we drove through HUGE downpours.

I can understand not wanting to go for a fun drive when it is wet out but if it is keeping you from meeting up with other owners at a NSXCA or other event - get her wet! She is mostly AL - she can take it!

:smile:
 
This all brings me to my question of the Cantrell intake...I want one, but I also live in So Fla...I won't do any fording of the great seas, but what about heavy rain. is the Cantrell way more suseptable to water suckage? If it's the same, then what the heck..I just drove 1500 miles in my new NSX thru many rainstorms, and no problem.
I'm extra cautious on this one, as I, too, have blown up a 300zxTT..custom 475hp job out the friggin window, and don't feel like doing that to my 05 NSX..
PLease let forth the knowledge of the Cantrell vs. Rain!
 
As long as you did not submerse your intake in water, you'll be fine. I actually inject water in two different stages activated by boost to cool intake temps and control the speed of the burn process (controlling detonation). One side effect is clean internals :biggrin:

If you sucked in too much water, you'd know right away.
 
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