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Old 04-24-2010, 06:17 AM  
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Default Hood Louvers

A buddy has a set on his Jeep and they let alot of heat out from under the hood.
My samurai is not running hot but can't imagine that it would not help by venting some of the engine compartment heat.
Anyone use hood louvers or have thoughts about them ??

JEEP PARTS | JEEP ACCESSORIES | JEEP BUMPERS | Hood Louvers

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Old 04-24-2010, 09:59 AM  
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they're completely unnecessary on a samurai. If you had a stuffed engine compartment and restricted airflow to flush the air out then you might look into something like that. As it is though, you could fit 2 of your 1.3's under the hood. The extra space provides ample ventilation, and you have cool little side slats to vent the hood that don't let water in ontop of your engine when it rains.
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Old 04-24-2010, 03:30 PM  
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Originally Posted by Baratacus View Post
they're completely unnecessary on a samurai. If you had a stuffed engine compartment and restricted airflow to flush the air out then you might look into something like that. As it is though, you could fit 2 of your 1.3's under the hood. The extra space provides ample ventilation, and you have cool little side slats to vent the hood that don't let water in ontop of your engine when it rains.
Interestingly, I was thinking of the same thing, but you make a perfect point in your argument. Never thought of the water thing.
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Old 04-24-2010, 11:45 PM  
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Originally Posted by Baratacus View Post
they're completely unnecessary on a samurai. If you had a stuffed engine compartment and restricted airflow to flush the air out then you might look into something like that. As it is though, you could fit 2 of your 1.3's under the hood. The extra space provides ample ventilation, and you have cool little side slats to vent the hood that don't let water in ontop of your engine when it rains.
good to know it is not needed.
I am running a 1.6 16v with ac and power steering so wasn't sure.

What should I avoid getting wet under the hood ?
When I need to wash it off I just spray everything under the hood with the hose (low pressure) ... didn't know that it really mattered if the engine got wet. No problems so far but maybe I shouldn't do that any more....
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Old 04-25-2010, 01:19 AM  
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good to know it is not needed.
I am running a 1.6 16v with ac and power steering so wasn't sure.

What should I avoid getting wet under the hood ?
When I need to wash it off I just spray everything under the hood with the hose (low pressure) ... didn't know that it really mattered if the engine got wet. No problems so far but maybe I shouldn't do that any more....
I believe it is the distributor that should not get wet. Also, spark plugs should be well insulated.
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Old 04-25-2010, 06:12 AM  
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One thing that can help is give everything a good spray with WD40. I spray just about everything with it, cap, wires, plugs, back of the headlights, the works. I also wrap a plastic bag around the air cleaner when I clean under the hood.
Oh, and hood louvers are just a really bad idea. If cooling is an issue there are other ways of fixing it. More air isn't it. Think liquid...
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Old 04-25-2010, 06:38 AM  
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One thing that can help is give everything a good spray with WD40. I spray just about everything with it, cap, wires, plugs, back of the headlights, the works.
...except the belts

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I also wrap a plastic bag around the air cleaner when I clean under the hood.
I used the wrap the K&N air charger on my Ford Lightning with plastic too but the Zuki has the stock airbox thanks to the state of CA....


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Oh, and hood louvers are just a really bad idea. If cooling is an issue there are other ways of fixing it. More air isn't it. Think liquid...
Cooling isn't an issue now but always thinking of ways to lower temps....
Liquid, huh... as in "Water Wetter" or something like that ??
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Old 04-25-2010, 08:24 AM  
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good to know it is not needed.
I am running a 1.6 16v with ac and power steering so wasn't sure.

What should I avoid getting wet under the hood ?
When I need to wash it off I just spray everything under the hood with the hose (low pressure) ... didn't know that it really mattered if the engine got wet. No problems so far but maybe I shouldn't do that any more....
Low pressure is fine, jet or pressure washing should be avoided on any engine with EFI. Although the sensors and connectors are sealed, it is possible to get water past the seals if the pressure is high enough and then you end up with corrosion, bad connections and sensor failure.
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Old 04-25-2010, 12:13 PM  
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...except the belts

I used the wrap the K&N air charger on my Ford Lightning with plastic too but the Zuki has the stock airbox thanks to the state of CA....

Cooling isn't an issue now but always thinking of ways to lower temps....
Liquid, huh... as in "Water Wetter" or something like that ??
Yea, no belts, brakes, clutch, etc.
Glad I'm not in CA.
Water Wetter would work, but I really just meant don't over engineer things. (and standard coolant does this) It's not an air cooled engine, it's liquid cooled. If things are an issue, there has been threads about rad replacement with a larger or thicker or just a clean out.
Shoot, I even noticed a little drop with a second heater core...
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Old 04-25-2010, 02:03 PM  
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Using a dual core heater helps cool it a lot. Washing the engine off isn't a problem since it is uaually dry by the time you drive it or dries quickly once you've started it up.

Also, never wash an engine off while it is running or is still hot from being recently run. With louvers it can get wet WHILE driving it and cool water running down onto a hot engine isn't a good thing, cracked block or exhaust manifolds come to mind.
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