Got Hood Louvers Molded into Hood

[scummy]

What size louvers did you install?

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[firedude67]

I went with "large" size. Looking at other forum members who went the same route.

[firedude67]

Originally Posted by arctictraveller

Years ago, on VW bugs we would put spacers under the hood hinge bolts which held the hood up a bit allowing lots more air movement. I wonder if something like that would improve air flow? It would be easy to test and reverse if needed.

Originally Posted by greggearhead

I'm a new van-er, but I'm a VW guy, and familiar with the decklid space-out trick as well. I did a similar thing on a few of my Toyota rockcrawlers, because you have very low speeds and high loads. I used spacers at the hinge bolts, spacing up the back of the hood, giving another exit for heat while moving slow or parked - reduced vapor lock quite a bit on one of them. At speed it allowed cool air in, like cowl induction. I think the vents can only help. Any concern about water entry?

To clear up any questions-
These louvers are pointed toward the windshield. They help air/heat escape. Before, air would enter the engine compartment through the front radiator/grill area. From there, it didn't have much space to exit. A lot of heat was transferred to the cabin area through the doghouse. Or kept in the engine compartment.

[Bbasso]

One important part of having hood vents most people overlook is the release of heat after driving that would normally cook all the plastic parts.