16-17 hood vent mod - Chevy SS Forum
 
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post #1 of 5 (permalink) Old 05-18-2017, 04:42 AM Thread Starter
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16-17 hood vent mod

The vents on the 2016-17 cars have rubber boots on them. I was looking at them and noticed they are different sizes and the vent opening is really small. I figured I would open them up like my 2004 Cobra to let some more heat out. So I at first cut the vents bigger on the boots, and checked for how much water would run in the engine bay after, nothing noticeable or life threating. Top of the shock tower has a few water spots from car washes, nothing crazy, I did notice more heat coming out of the vents at idle. I ran my modified hood vents for over a year now. The other day I said I'm just going to take them off, and pulled the boots off, even more heat comes out and I have no noticeable side effects.




TL;DR- Pull your vent boots off, if desired to release more under hood heat without any noticeable side effects.

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post #2 of 5 (permalink) Old 05-18-2017, 08:40 AM
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Many G8 folks did the same with their cars.


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post #3 of 5 (permalink) Old 05-18-2017, 08:44 AM
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What problem are you trying to address? Hood vents are about increasing efficiency of the exchanger stack and doing it in the wrong place can be counterproductive.

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post #4 of 5 (permalink) Old 05-18-2017, 09:30 AM Thread Starter
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No problem, it's a free mod. Do it if you want to see heat coming out of your vents. If not, no biggie. I'm sure it increases air flow by .01% and drops engine bay temps by 1*.

It could do more or less, who knows. Weird rubber boots hanging off the vents? No thanks, I like mine opened up.
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post #5 of 5 (permalink) Old 05-18-2017, 09:35 AM
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Quote:
Originally Posted by 72SBC View Post
No problem, it's a free mod. Do it if you want to see heat coming out of your vents. If not, no biggie. I'm sure it increases air flow by .01% and drops engine bay temps by 1*.

It could do more or less, who knows. Weird rubber boots hanging off the vents? No thanks, I like mine opened up.
Aesthetics is a good reason. Carry on.

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