Anybody added a hood scoop? - Defender Source
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  #1  
Old December 11th, 2009, 01:59 AM
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Anybody added a hood scoop?

That didn't look like poo? I need ideas and need to move a little more air out of the engine compartment while going fast. Thanks
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  #2  
Old December 11th, 2009, 02:03 AM
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LOL check with Wolf Fabrication. Poo is such an individual thing
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  #3  
Old December 11th, 2009, 02:07 AM
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Someone cut holes on the side of the hood, didn't look half bad.

Do you think you need air IN or OUT?
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  #4  
Old December 11th, 2009, 02:13 AM
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Quote:
Originally Posted by Maryland 110
LOL check with Wolf Fabrication. Poo is such an individual thing
Didn't see anything on their site about scoops at all?

Follow-up Post:

Quote:
Originally Posted by D90user
Someone cut holes on the side of the hood, didn't look half bad.

Do you think you need air IN or OUT?
Need air in.

EGT's get very hot at speed. Trying everything before I turn down the fuel.
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  #5  
Old December 11th, 2009, 02:25 AM
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water spray an option?

What about getting rid of a headlight?
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  #6  
Old December 11th, 2009, 02:28 AM
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Quote:
Originally Posted by D90user
water spray an option?

What about getting rid of a headlight?
Water spray is an option and I'm looking at it. Would rather not though. The headlights are a little valuable to me!
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  #7  
Old December 11th, 2009, 02:48 AM
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My old V8 90 used to get hot. i adjusted the stops on the front of the bonnet to raise it by 1/2" or so which seemed to let a lot more air in.


You could always go with Homers' speed holes? LOL!
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  #8  
Old December 11th, 2009, 04:34 AM
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Quote:
Originally Posted by Buckon37s
That didn't look like poo? I need ideas and need to move a little more air out of the engine compartment while going fast. Thanks
Check out the hood and the hood scoop.


Hope it helps.

http://www.daur4x4.de/start.php#mp=4

I really dig the tropical roof and split windscreen conversions.



shalom,

rob
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  #9  
Old December 11th, 2009, 06:24 AM
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Quote:
Originally Posted by Buckon37s
Didn't see anything on their site about scoops at all?
Here ya go: http://www.defendersource.com/forum/...ad.php?t=22945
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  #10  
Old December 11th, 2009, 07:25 AM
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Don't mock the speed holes!!!

See attached pic of my custom heat reduction hood.
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  #11  
Old December 11th, 2009, 07:53 AM
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I'm sure you must have already thought of it, Dave, but it seems like a remote radiator might cure a lot of what's ailing you.
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  #12  
Old December 11th, 2009, 07:57 AM
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Not sure how well a forced air scoop will work with the airflow over the hood, there seems to be a big pocket of dead air over a lot of the front half of the hood.

Cowl pressure might be the better air source for you, have you considered having some louvers punched into the top of the hood, back by the cowl? I know one of the guys here has had louvers done, forget the screen name off the top of my head, but it's the 100 with the TVR engine in it.

-Hans
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  #13  
Old December 11th, 2009, 08:37 AM
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  #14  
Old December 11th, 2009, 09:36 AM
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Mark Painter in Littleton Colorado added a hood scoop to reduce temps in his 4.6 v8, I understand it worked pretty well and he was very concerned about how it looked so his might be one you like. Last I heard he was going back to stock and ditching the scoop though so you might see if he wants to sell his hood to you... (last I talked to him was almost a year ago though)

At the very least I'm sure he could send you pics of what he had. If your interested send me a PM and I can dig out his phone number for you...
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  #15  
Old December 11th, 2009, 10:17 AM
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Quote:
Originally Posted by bharris
Mark Painter in Littleton Colorado
Does he own a green D90?With a roof rack?
If so I saw the truck at the NR in CO 2 years ago and I took some pics.
Very well done, looks stock.
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  #16  
Old December 11th, 2009, 10:27 AM
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Quote:
Originally Posted by Yudda
Check out the hood and the hood scoop.


Hope it helps.

http://www.daur4x4.de/start.php#mp=4

I really dig the tropical roof and split windscreen conversions.



shalom,

rob
Thats very close to what I was thinking of. Doesn't look bad. Couldn't find a price or more info online though.

Follow-up Post:

Quote:
Originally Posted by Rod Hayward
I'm sure you must have already thought of it, Dave, but it seems like a remote radiator might cure a lot of what's ailing you.
It may, but I have nowhere to remote mount the radiator. I have a 4 seater. With a 2 seater life is infinitely easier.

Follow-up Post:

Quote:
Originally Posted by Hans
Not sure how well a forced air scoop will work with the airflow over the hood, there seems to be a big pocket of dead air over a lot of the front half of the hood.

Cowl pressure might be the better air source for you, have you considered having some louvers punched into the top of the hood, back by the cowl? I know one of the guys here has had louvers done, forget the screen name off the top of my head, but it's the 100 with the TVR engine in it.

-Hans
Willing to try anything. If it works!

Follow-up Post:

Quote:
Originally Posted by bharris
Mark Painter in Littleton Colorado added a hood scoop to reduce temps in his 4.6 v8, I understand it worked pretty well and he was very concerned about how it looked so his might be one you like. Last I heard he was going back to stock and ditching the scoop though so you might see if he wants to sell his hood to you... (last I talked to him was almost a year ago though)

At the very least I'm sure he could send you pics of what he had. If your interested send me a PM and I can dig out his phone number for you...
I would like those pictures very much! I would like to know about the hood too.


I gotta tell you all, with the amount of cutting I have done on my rig, I am super nervous like a virgin to cut the tood. It's the only stock panel and it is all pretty.
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  #17  
Old December 11th, 2009, 10:31 AM
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Rovers don't have hoods, they have bonnets. Hoods are canvas load space covers. And a scoop in a bonnet is gay as hell.
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  #18  
Old December 11th, 2009, 10:53 AM
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Dave, have you run it without the Bonnet? That will tell you if you need more in or out. Usually getting air out is more critical for cooling. Speed holes in the side of the bonnet or raising the rear of the bonnet like the uber cool (did I just say that?) Orange truck with the Series roof and windscreen is pretty typical for keeping under bonnet temps down
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  #19  
Old December 11th, 2009, 10:55 AM
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Quote:
Originally Posted by o2batsea
Rovers don't have hoods, they have bonnets. Hoods are canvas load space covers. And a scoop in a bonnet is gay as hell.
Very helpful.


Now gtfo.

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Quote:
Originally Posted by revor
Dave, have you run it without the Bonnet? That will tell you if you need more in or out. Usually getting air out is more critical for cooling. Speed holes in the side of the bonnet or raising the rear of the bonnet like the uber cool (did I just say that?) Orange truck with the Series roof and windscreen is pretty typical for keeping under bonnet temps down
Thats a very good idea. I will dump the hood next time I go wheeling.
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  #20  
Old December 11th, 2009, 01:52 PM
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is this a new issue? you used to claim pretty good EGT results. I know I'm being Capt. Obvious here but is this shroud/fan removal related? Perhaps better adressed by coming up with a way to keep moving air through the IC? Or am I forgetting that you've gone full width? Even so if your electric isn't coming on then you be putting hotter air into the engine.
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