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Evacuating Engine compartment heat.

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Old Aug 2, 2021 | 06:45 PM
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Default Evacuating Engine compartment heat.

I have Looked around, perhaps wrong search words.
I am curious about removing engine compartment heat. My thoughts if it helps in any way normal driving or for towing, why not?
In the past I belonged to another forum (RegalGS those where supercharged cars). I and a few other's removed the Firewall to hood rubber gasket.
This would allow heat to escape when at a standstill. When moving, the fresh "cooler" air would blow into the engine compartment. There was about 1/4 to 1/2 inch space.
I'm thinking any kind of help to remove the compartment heat. 215* to 220* just seem a little to warm for me. I monitor the temps via "Torque" & and a ELM/OBD port.
What do Y'all think?
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Old Aug 2, 2021 | 06:48 PM
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Cut holes in the fenders and install the 2021 F150 badges.
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Old Aug 2, 2021 | 07:39 PM
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You seem to be making the assumption that it NEEDS to be 'relieved of heat', when...it does not. The vehicle is engineered to be perfectly fine as is. You could go full ricer and cut some hood louvers and install a couple of fans in the engine bay I suppose, but would probably not have a significant, i.e. measurable effect.
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Old Aug 2, 2021 | 07:47 PM
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Speed holes in the hood.
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Old Aug 2, 2021 | 07:58 PM
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Functional scoop or cowl?
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Old Aug 2, 2021 | 08:02 PM
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Many have raised the rear of the hood to let heat out in the old days. The thunderbolt scoop was intended to draw carburetor air in from the cowl area, it looked great then, still does IMHO ... could just as well vent heat out. Louvers will do it too, some Mustang stores sell kits that just take a rectangle hole to install..

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Old Aug 2, 2021 | 08:04 PM
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Originally Posted by bajaman
You seem to be making the assumption that it NEEDS to be 'relieved of heat', when...it does not. The vehicle is engineered to be perfectly fine as is. You could go full ricer and cut some hood louvers and install a couple of fans in the engine bay I suppose, but would probably not have a significant, i.e. measurable effect.
It just seems the 215* to 220* is a bit too warm, from what I am used to. Ricer was not the intention.
Any time you can have cooler air entering the combustion chamber is a benefit. I have removed the heat trap of an engine cover.
True the benefits may not be significant. But sometimes the little things add up.
If you don't ask a question, you don't know the answer.
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Old Aug 2, 2021 | 08:28 PM
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Has any one used "Water Wetter" for the coolant?
Does it help to dissipate heat a little quicker.
yes I do understand these engines need heat to function within the normal parameters set by the manufacturer. For the best over all efficiency.
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Old Aug 2, 2021 | 08:31 PM
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Originally Posted by GeoJB
It just seems the 215* to 220* is a bit too warm, from what I am used to. Ricer was not the intention.
Any time you can have cooler air entering the combustion chamber is a benefit. I have removed the heat trap of an engine cover.
True the benefits may not be significant. But sometimes the little things add up.
If you don't ask a question, you don't know the answer.
You do realize that all cars now draw intake air from outside. There is nothing you can do to make it cooler.
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Old Aug 2, 2021 | 08:47 PM
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I've removed the engine cover and I monitor the temps in the engine compartment with stand alone temp gauges. One for the compartment itself and I have the sensor for the other gauge inside the air filter compartment. Since I live in the NW, the temps never get up past 155 in the compartment and the air filter area, being cold air runs about 30 degrees cooler. Average temp in the engine compartment on my truck is about 120 degrees.

Oh and if you believe the engine compartment is 'engineered' for optimal performance, you are right...right up until the warranty runs out.
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