01-30-2024, 06:35 PM | #1 |
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Hood vents
Has anyone ever decided to run oem gm hood vents on our trucks? I got a second hood and I'm toying with grafting either 66 Chevelle vents or first gen Camaro vents for a OEM performance feel. Maybe even a Nova vent.
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01-31-2024, 08:35 AM | #2 |
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Re: Hood vents
I've seen it done before. I guess they don't actually vent, but you want the look. I think the lay flat ones (1st & 3rd) would be your best bet. The others would be a lot of skilled work
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01-31-2024, 09:09 AM | #3 |
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Re: Hood vents
Tha SS chevelle vents look awesome. Local bodyman here has done that by sectioning the two hoods. Quite a bit of work he says.
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01-31-2024, 10:33 AM | #4 |
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Re: Hood vents
I've seen the 70-72 Buick GS hood vents on a truck when I went to the GS Nationals in Bowling Green, Kentucky.
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01-31-2024, 10:55 AM | #5 |
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Re: Hood vents
The Chevelle hood inserts would be a challenge. If you look at hood there is a ridge that runs through the middle of insert so it’s basically on two planes . And they are purely decorative no function at all
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01-31-2024, 12:05 PM | #6 |
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Re: Hood vents
Super cool idea! My choise would be first gen camaro hood vents, with black inserts it would fit nice on red hood.
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01-31-2024, 12:07 PM | #7 |
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Re: Hood vents
Agreed. Zero function as installed from the factory assembly line.
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01-31-2024, 12:23 PM | #8 |
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Re: Hood vents
Note. Which ever will be functional as vents. I love the Chevelle style but agreed its going to take a lot of work
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01-31-2024, 12:28 PM | #9 |
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Re: Hood vents
Otherwise, I thought about grafting a 70-72 Chevelle hood flapper with an electric motor.
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01-31-2024, 02:30 PM | #10 |
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Re: Hood vents
I'm not sure what these are from (asuming a gm car) but I did toy with the idea for adding these to my hood. Also I thought about keeping the raised area high to the center line , moving the vents slightly closer to the middle boddy line, and flowing it out into it leaving the front of the hood stock.
Last edited by chewychevy67; 01-31-2024 at 02:41 PM. |
01-31-2024, 03:06 PM | #11 | |
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Re: Hood vents
Quote:
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01-31-2024, 04:24 PM | #12 | |
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Re: Hood vents
Quote:
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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01-31-2024, 08:55 PM | #13 |
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Re: Hood vents
The 67 chevelle is the bomb should of had them on the supers with the 396 engine option now the flippers would be going crazy
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01-31-2024, 09:11 PM | #14 |
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Re: Hood vents
Have you considered the 68 SS Chevelle version. I always felt that they looked more thought out like 65-70 GTO's and less "Let's bolt something on as cheap as possible. Which is what I think when I see the Icecube tray ones.
I'm an admitted Pontiac guy so I may be biased.
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01-31-2024, 10:51 PM | #15 |
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Re: Hood vents
If you're (OP) looking for bling, that's one thing. But if you're looking for performance, that's another. In '68, Buick made a cold air induction system that took air at the cowl and ducted it to the air cleaner. Good for a little horsepower. One could cut a hole in the radiator core support (or put an intake under the bumper) and run a duct, too. I had an '05 Corolla that I made a cold air induction system using ABS drain pipe from the hardware store. Didn't make it a barnstormer, of course, but I got 1% better mileage for about $8 worth of parts and a couple hours work. Paid for itself over the 10 years I owned it. I put the intake "scoop", made from a "tri" pipe adapter in the hole left by one of the unused driving lights. One thing that I really appreciated was better performance when it was 118° in the shade. The computer adjusts the mixture for ambient temperature, and when it's that hot, the car was really a dog. Stock, the air is taken in between the radiator and the battery. That cold air intake helped quite a bit with that.
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01-31-2024, 11:10 PM | #16 |
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Re: Hood vents
You gotta think outside the box.....set yourself apart.
You can always make a sheet metal pan for the hood underside to direct water where you want. |
02-01-2024, 01:31 AM | #17 | |
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Re: Hood vents
Quote:
Wait... how does the drain pan impact the effectiveness of the 'vents' ?
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02-01-2024, 01:41 AM | #18 | |
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Re: Hood vents
Quote:
Look at a modern 5th or 6th gen Camaro and how their SS and ZL1 hoods function. I have a 2017 Camaro SS and the hood gills have a drip tray that funnel towards the radiator, so it then acts as a scoop under the hood that doesnt impact the air coming in while driving. There is then another drip pan on top of the radiator that catches what the hood drops and moves to each side of the motor.
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02-01-2024, 10:07 AM | #19 |
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Re: Hood vents
I know this isn't what you want for the hood louvers but the under panel can keep the water off the motor and it works very well. I drive this truck in the rain a bunch not as much as I use to but it does get drove in the rain and I've never had a problem with water.
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02-01-2024, 10:22 AM | #20 |
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Re: Hood vents
When I drive the Chevelle in the rain the engine gets wet anyways so it’s really not an issue if the hood vents leak a little too . If you’re trying to get the air out of the engine compartment an air dam under the bumper works well . It causes a lower pressure condition under the car/truck . I put a little SS piece I made under my Avanti and it cooled the motor firewall a great deal.
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02-01-2024, 10:43 AM | #21 |
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Re: Hood vents
Anything but a cowl hood would look great.
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02-01-2024, 11:29 AM | #22 |
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Re: Hood vents
Nothing wrong w/a cowl hood (a functional cowl hood). Slap a couple of heat extracting vents along the outer edges of the hood vs the stuff shown within this thread + a functional cowl induction set-up & I get it.
The GM stuff shown within this thread is nostalgic cool but that's about it.
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
02-01-2024, 11:38 AM | #23 | |
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Re: Hood vents
Quote:
So its going to be for function plus aesthetics it will not be how I take in air but how I plan to relive negative under hood pressure and heat. this truck is in every essence a muscle truck so with modern performance played down with retro aesthetics |
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02-01-2024, 11:42 AM | #24 |
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Re: Hood vents
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02-01-2024, 11:45 AM | #25 |
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Re: Hood vents
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