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09-09-2019, 06:31 PM
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#1 |
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Registered User
Join Date: Jul 2019
Location: Calgary, Alberta
Posts: 81
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Cowl vent drain hose?
Just getting ready to take the maiden voyage in my truck and I'm finalizing a few minor details. Did a search on this and nothing came up so I thought I'd ask: The top cowl vent on my AD has a drain that exits right above all the new wiring under my dash (without the hose). So I bought an aftermarket replacement hose. Now it exits through the firewall right above the distributor on my SBC, which is worse. I could extend the hose down past the distributor, but that might look a bit goofy. I was hoping one of you guys might have a slick solution.
My cowl vent has one of those foam gaskets in it, so maybe water won't even get into that drain. Thoughts? |
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09-09-2019, 06:45 PM
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#2 |
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Registered User
 
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,718
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Re: Cowl vent drain hose?
Yep, Lots of us who have had one of these trucks have fought that battle.
r What I intend to do on mine "this time" is to run a tube down the inside of the firewall to the right of the indent to the foot board and make a hole there so that it exits below the floor much like the drain tube on an AC unit. With a short piece of hose from the vent drain tube to that tube I should be good.
__________________
Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
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09-09-2019, 06:47 PM
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#3 | |
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Registered User
Join Date: Dec 2000
Location: Boise, Idaho
Posts: 6,003
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Re: Cowl vent drain hose?
Quote:
Brian
__________________
1948 Chevy pickup Chopped, Sectioned, 1953 Corvette 235 powered. Once was even 401 Buick mid engined with the carburetor right between the seats! Bought with paper route money in 1973 when I was 15. "Fan of most anything that moves human beings" |
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09-10-2019, 09:54 AM
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#4 |
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Registered User
Join Date: Jul 2019
Location: Calgary, Alberta
Posts: 81
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Re: Cowl vent drain hose?
Thank you gentlemen.
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09-10-2019, 10:12 AM
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#5 |
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Registered User
 
Join Date: Mar 2007
Location: Scotts, Michigan
Posts: 3,774
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Re: Cowl vent drain hose?
I welded my fire wall hole closed and rand the drain house on the inside of the firewall. I added a T to the hose and connected my drain from my AC system to drain out of the same hose.. I never liked the look of the factory drain hose sticking out of the fire wall.
__________________
…………...........__________ .................. ((__|__||___\____ ..;.;;.:;:;.,;..;((_(O))____ (_(O)) 1948 Chevy Truck - Finished SOLD!! 1953 Chevy Suburban "Family Truckster" Completed: Spring of 2021 http://67-72chevytrucks.com/vboard/s...d.php?t=605484 1994 4x4 Blazer - "Field Find" https://67-72chevytrucks.com/vboard/...ferrerid=30857 |
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09-10-2019, 09:24 PM
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#6 |
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Registered User
Join Date: Aug 2019
Location: NC
Posts: 30
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Re: Cowl vent drain hose?
I just did this repair last week. I'm not crazy about the hose exiting onto the valve cover, I'm guessing it could get into the cover/ oil?
The original hose was split under the dash (for who knows how long) and likely caused a lot of my dash/ floor rust issues. |
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09-10-2019, 10:44 PM
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#7 |
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Registered User
Join Date: Dec 2011
Location: Moxee WA
Posts: 1,482
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Re: Cowl vent drain hose?
just don't drive in the rain & you should be good !!!
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09-11-2019, 05:44 PM
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#8 |
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Registered User
Join Date: Aug 2016
Location: Hunkered Down
Posts: 1,895
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Re: Cowl vent drain hose?
Longer hose does the trick. Pun intended.
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