Hood Open or Closed??
Thread Starter
|
Junior User
Joined: May 2007
Posts: 60
Likes: 0
Hood Open or Closed??
Guys,
Great Forum..
I have an 02 Ex with 34k on it..
I'm very **** about it..I have a question..
Does it matter if the engine bay is cooled after a drive if you open the hood or not? I always open up the hoods of my cars once I get home to cool them down. My neighbors think I'm crazy as does my wife and kids..Does it have any benefits? IE..longer lasting hoses less heat dmg etc??
I need to know just for my piece of mind..
Exman123
Great Forum..
I have an 02 Ex with 34k on it..
I'm very **** about it..I have a question..
Does it matter if the engine bay is cooled after a drive if you open the hood or not? I always open up the hoods of my cars once I get home to cool them down. My neighbors think I'm crazy as does my wife and kids..Does it have any benefits? IE..longer lasting hoses less heat dmg etc??
I need to know just for my piece of mind..
Exman123
Sit. Stay.
Joined: Oct 2001
Posts: 18,308
Likes: 20
From: Washington State
So you're driving around town on a Saturday running errands. Stop and go traffic, hard acceleration, prolonged idling etc. All increase the under hood temps. I don't see how lifting the hood when you're done will increase the longevity of anything. Everything under there has already been subject to high heat for a prolonged period of time and was designed to survive it. Once you turn it off everything cools and is cooler than when the engine was running.
I agree with your wife & neighbors, keep your hood closed.
I agree with your wife & neighbors, keep your hood closed.
Sit. Stay.
Joined: Oct 2001
Posts: 18,308
Likes: 20
From: Washington State
We had to do that in the Army to reduce heat signatures. Never made a whole lot of sense to me. The heat signature seemed larger with the hood open.
Trending Topics
Cargo Master
Joined: Nov 2004
Posts: 2,751
Likes: 3
From: So Oregon
You've got me thinking... maybe it makes sense to drive around town with the hood unlatched to keep more air flowing through there. I think I'll try it tomorrow.
BTW, I used to drive a black vehicle and the hood would get "piping" hot, like a biscuit right out of the old wood stove. Anyway, I popped the hood a couple times, but I don't think it made any difference.
BTW, I used to drive a black vehicle and the hood would get "piping" hot, like a biscuit right out of the old wood stove. Anyway, I popped the hood a couple times, but I don't think it made any difference.
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
Rezvani's Latest Post-Apocalytic Monster Is a Ford F-150 Raptor Underneath
Verdad Gallardo
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer
Joe Kucinski
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)
Brett Foote
Top 10 Ford Truck Tragedies
Joe Kucinski
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make
Brett Foote
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!
Michael S. Palmer
Ford's 2001 Explorer Sportsman Concept Looks For a New Home
Verdad Gallardo
10 Best Ford Truck Engines We Miss the Most!
Joe Kucinski
2026 Shelby F-150 Off-Road: Better Than a Raptor R?
Brett Foote
Junior User
Joined: Jul 2003
Posts: 68
Likes: 0
From: Fallston
Originally Posted by Ace!
You've got me thinking... maybe it makes sense to drive around town with the hood unlatched to keep more air flowing through there. I think I'll try it tomorrow.
BTW, I used to drive a black vehicle and the hood would get "piping" hot, like a biscuit right out of the old wood stove. Anyway, I popped the hood a couple times, but I don't think it made any difference.
BTW, I used to drive a black vehicle and the hood would get "piping" hot, like a biscuit right out of the old wood stove. Anyway, I popped the hood a couple times, but I don't think it made any difference.
Cargo Master
Joined: Nov 2004
Posts: 2,751
Likes: 3
From: So Oregon
Originally Posted by Houndog101
Wrong, the air needs to go thru the coolers in the front, not around them.. Get a cowl hood, it will let the hot air come out the back of the motor compartment...
New User
Joined: May 2006
Posts: 24
Likes: 0
I've done this if I was going to work on a vehicle, figured the additional convection cooling would help cool it down faster. In a couple of cars I have added relays so I could turn on the electric cooling fans when stopped in traffic because I was concerned that the high temperatures would damage components such as the alternator. So, to reply to the original post, it makes sense, probably doesn't hurt anything. If it makes the neighbors think I'm crazy, maybe I'll start.
Jim
Jim
Senior User
Joined: May 2006
Posts: 112
Likes: 0
Here in sunny Phoenix Arizona with the temps in the 110 degree range, I usually open the hood when I get home to let the engine compartment cool down before I put the truck in the garage. If I don't, the garage gets really hot and stays that way until morning.
Sit. Stay.
Joined: Oct 2001
Posts: 18,308
Likes: 20
From: Washington State
Now that makes sense! I can see doing that because when I lived where it was cold I would always try and do my garage type work after I got home since the still warm truck warmed up the garage. 
Postmaster
Joined: Feb 2003
Posts: 4,074
Likes: 1
From: Las Vegas
When you say open, do you mean, like, fully open???
If fully open, I have a 100% WAG with absolutely nothing based on actual scientific evidence:
What about UV rays on rubber and plastic and wiring???
I KNOW for a fact that tires after a few years in the desert, even if they have tons of tread left, have little traction due to drying out......straight from a Toyo engineer at SEMA a few years ago after I axed him why I couldn't hook up in my '97 Cobra.
If fully open, I have a 100% WAG with absolutely nothing based on actual scientific evidence:
What about UV rays on rubber and plastic and wiring???
I KNOW for a fact that tires after a few years in the desert, even if they have tons of tread left, have little traction due to drying out......straight from a Toyo engineer at SEMA a few years ago after I axed him why I couldn't hook up in my '97 Cobra.