has anyone cut in real hood vents?

[AnnDee4444]

Has anyone ever experimented with modified side vents, or even tested to see if they actually do anything at all? Testing can be pretty simple:







BTW: found these on ebay... They're for a JK

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[Tread4Lo]

If you had the Rubicon hood, why didn't you just drill holes in the plastic vents and remove the hood insulation? Seems you are trying to accomplish something that would have cost zero.

I removed my insulation, drilled holes in the vents and removed the engine cover. Running 93 octane in the 3.6, normal temp is 195*.

 

[wibornz]

I cut the bottom off the plastic vents off with a dremmell tool. Then I installed a pre-filter on the hood insulation that will let air out but still keeps water from going into the engine compartment via the hood vents. Water still drains off to the side of the hood to the fender.

This is the pre-filter that is attached to the hood insulation.

With the hood vents installed.

View from the top of the hood down to the pre-filter.

Top view of the hood insulation from the top down with the pre-filter installed.

Pre-filter will allow air to flow through it, but not water. Mind you it is directional.


Water being poured into the hood vent and draining to the side and out to the fender as designed by Jeep.

Pre-filter materia\

 

[overcrawler]

This is absolutely amazing. Best of all worlds. I guess the only holdback could be the water fording and the sealed compartment.

I cut the bottom off the plastic vents off with a dremmell tool. Then I installed a pre-filter on the hood insulation that will let air out but still keeps water from going into the engine compartment via the hood vents. Water still drains off to the side of the hood to the fender.

This is the pre-filter that is attached to the hood insulation.

With the hood vents installed.

View from the top of the hood down to the pre-filter.

Top view of the hood insulation from the top down with the pre-filter installed.

Pre-filter will allow air to flow through it, but not water. Mind you it is directional.


Water being poured into the hood vent and draining to the side and out to the fender as designed by Jeep.

Pre-filter materia\

 

[DHW]

I cut the bottom off the plastic vents off with a dremmell tool. Then I installed a pre-filter on the hood insulation that will let air out but still keeps water from going into the engine compartment via the hood vents. Water still drains off to the side of the hood to the fender.

This is the pre-filter that is attached to the hood insulation.

How has this been holding up? I ordered some of the pre-filter material and am about to do the same.

 

[Carolina Jeeper]

Since the hood is aluminum, you will want aluminum hood vents. Right?

No, the only reason you don't want dissimilar metals is when they are bare and touching. Painted or powder coated dissimilar items are OK.

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