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Topic: Rear vent tubes

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Rear vent tubes (1/24)
 12/8/10 11:50pm
rod7515Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic


Joined: 10/27/2006
Posts: 1182

I am trying to locate rear vent tubes for on my 72 convertible. I already purchased one from Zip but it wasnt correct. Not their fault I ordered it! heres the problem i am having, i have only found tubes that fits coupes. Are the convertible drain tubes different? All the pictures I have found show the tubes coming out the sides and heading toward the frame. The tubes on mine come out the bottoms. There were no tubes on it when I got it and without them the water from rain or washing will drain right onto the tank. I could always fabricate something different but i would prefer to find the right part. Any help would be appreciated.
Thanks
Rodney


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Rear vent tubes (2/24)
 12/9/10 6:05am
yostusota
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top


Joined: 5/18/2010
Posts: 1518

 Hey Rodney.. I didn't find the drain tubes but I did find a re seal kit that replaces all the gaskets around the car..it's for when the car is repainted..Ecklers..part number 25953..It shows the door handles and lenses and other stuff that could be replaced now..I guess alot of phone calls might be in order..or call Larry up there at Vette Spec!

Rich
 


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Rear vent tubes (3/24)
 12/9/10 9:13am
manchestersharkLifetime Member
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Equinunk, PA - USA

Vette(s):
1972 conv, 4-speed, 350, 200hp, numbers match, rally wheels, war bonnett yellow w/white top. good condition, nice driver.


Joined: 10/31/2007
Posts: 2381

Big smile   YES,YES! If it is available, Larry is the man to speak to. I also have a 72 topless. The tubes are in the corner of the lid and exit near the frame. The vents on top of the body do not have enclosers. They go straight to the ground. Mine do anyway. A plain piece of light tubeing should work if you cannot locate them.

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Rear vent tubes (4/24)
 12/9/10 6:54pm
rod7515Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic


Joined: 10/27/2006
Posts: 1182

Mark, not sure what you mean, Have you ever had your rear louvers off and if so are you saying when looking down into the vents that you have tubes on the outside going thru the bottom. I havent found anything from any vendors yet.
Rich, I have already purchased that kit from ecklers but it doesnt have any of the rear vents or tubes in it. It has the external body gaskets but nothing for the astro venting. I found tubes for coupes but nothing for convertibles. I'll keep looking or have to fabricate something.
Rodney


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Rear vent tubes (5/24)
 12/20/10 10:41pm
rod7515Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic


Joined: 10/27/2006
Posts: 1182

I finally remembered to call Larry today at Corvette Specialties. First let me say" what a great guy". He took the time to talk to me about my vent tubes then went out in his store and checked his 71 convertible to see what they had. We found that neither car had tubes. They both have a hole in the bottom for drainage and thats it. We decided that there are no tubes! Thanks Larry for taking the time to help me out.
Rodney


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Rear vent tubes (6/24)
 12/21/10 8:57am
manchestersharkLifetime Member
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Equinunk, PA - USA

Vette(s):
1972 conv, 4-speed, 350, 200hp, numbers match, rally wheels, war bonnett yellow w/white top. good condition, nice driver.


Joined: 10/31/2007
Posts: 2381

 He is a SUPER dealer. His knowledge is a GREAT asset to this site.

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Rear vent tubes (7/24)
 12/21/10 9:03am
manchestersharkLifetime Member
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Equinunk, PA - USA

Vette(s):
1972 conv, 4-speed, 350, 200hp, numbers match, rally wheels, war bonnett yellow w/white top. good condition, nice driver.


Joined: 10/31/2007
Posts: 2381

 Verts do not have astro ventilation. The body has the vents blocked off or blanks in place.

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Rear vent tubes (8/24)
 12/21/10 9:21am
yostusota
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top


Joined: 5/18/2010
Posts: 1518

Mark what happened to your car that it doesn't have the Astro Vent..I got it and so does Rodney..was it an option? I thought it was standard?
Rich

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Rear vent tubes (9/24)
 12/21/10 2:32pm
Adams' AppleLifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas


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I think the difference is gonna be A/C or not, but I could be wrong. On the '73-'74 convertibles, the vent grilles are just open...you can see all the way to the ground. No bottoms, or drain tubes at all. On the coupes, the grilles are there, but the bottom is blanked off on the A/C cars, but the non-A/C cars have the ventilation system, with the rubber flaps and all.

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Rear vent tubes (10/24)
 12/21/10 4:41pm
manchestersharkLifetime Member
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Equinunk, PA - USA

Vette(s):
1972 conv, 4-speed, 350, 200hp, numbers match, rally wheels, war bonnett yellow w/white top. good condition, nice driver.


Joined: 10/31/2007
Posts: 2381

 I have a vert with air. Grills go to the ground on sight. Astro is blocked out. The drains go to the frame.  A base car for the most part, no power anything,well, I have steering! MAYBE I have another one of those RED HEADED STEP-CHILD cars! I also spoke to a NCRS judge at a VETTE function, in Bowling Green and He even said the verts were not Astro. It was a couple years ago at the convention center at a CARAVAN program of some sort. I was not impressed with the show, I thought it would be different. He also said my wind shield washer system was plumbed wrong, which I proved him wrong on, when I did some homework. The washer BAG, not bottle is on the left side under the fender. It hangs on a metal hanger. He did not know where to find it, and said mine was wrong. WOW, a rabbit trail! Oh and by the way, my windows say ASTRO VENTILATION on them.  The drains I am refering to are in the corner of the deck lid. Both sides. phewI am through playin now.

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Rear vent tubes (11/24)
 12/21/10 4:53pm
yostusota
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top


Joined: 5/18/2010
Posts: 1518

Sometimes Mark the book really doesn't know..like Joel says..we don't need no stinkin book..I have seen Rodneys car completely gutted..it has the vent in the back with a vacuum actuator going to it..his 72 vert also..not sure if it has air or not..oh and you gotta love some of those "judges" at some shows..I can tell within a few comments around my car whether that person knows my year car..all are different..oh and Mark you ok never seen you type so much?
Rich

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Rear vent tubes (12/24)
 12/21/10 5:40pm
manchestersharkLifetime Member
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Equinunk, PA - USA

Vette(s):
1972 conv, 4-speed, 350, 200hp, numbers match, rally wheels, war bonnett yellow w/white top. good condition, nice driver.


Joined: 10/31/2007
Posts: 2381

Ouch  Yeah, I know these cars are Uneque.           Took me all afternoon to answer that thread. Hunt and peck takes a while.Embarrassed

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Rear vent tubes (13/24)
 12/21/10 7:29pm
rod7515Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic


Joined: 10/27/2006
Posts: 1182

From what I have read and researched, I have come to the conclusion that convertibles had astro venting unless it was an AC car. Now as you know I could be proven wrong on the next car we look at or read about. I am still not 100% sure on the correct operation of the astro venting yet but I hope to have it down soon! Rich I believe I sent you a web address that had alot of information about this in it. I will have to dig it back up and check it again.
Rodney



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Rear vent tubes (14/24)
 12/21/10 7:39pm
Jaws79Lifetime Member
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Sykesville, MD - USA

Vette(s):
1979 Corvette Coupe Corvette Light Blue Midnight Blue interior Mirrored Glass T-tops


Joined: 4/27/2008
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[QUOTE=manchestershark]Ouch  Yeah, I know these cars are Uneque.           Took me all afternoon to answer that thread. Hunt and peck takes a while.Embarrassed[/QUOTE]
I know how you feel, Mark, it takes me a while,too!
 
Barry
 
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Rear vent tubes (15/24)
 12/21/10 7:59pm
rod7515Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic


Joined: 10/27/2006
Posts: 1182

Barry, its also taking you along time to post pictures. And I thought I was slow!
Rodney


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Rear vent tubes (16/24)
 12/22/10 12:09pm
manchestersharkLifetime Member
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Equinunk, PA - USA

Vette(s):
1972 conv, 4-speed, 350, 200hp, numbers match, rally wheels, war bonnett yellow w/white top. good condition, nice driver.


Joined: 10/31/2007
Posts: 2381

 I went out the garage and looked under my car. I did not see any tubes on the drains for the deck lid. Course with the spare tub and exaust in the way it was hard to see up in there. I know they drain well, no gook, and the water exit near the frame. SOOOOO, Do I have a RED HEADED Step-Child car or not?

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Rear vent tubes (17/24)
 12/22/10 2:25pm
rod7515Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic


Joined: 10/27/2006
Posts: 1182

Mark, Take a flash light and look down into your vents if possible. The vents are at the outsides and if convertible seem to be in the very bottom corner and if coupe they are in the side corners. Of course we are talking about vettes so you never know what you might find.
Rodney


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Rear vent tubes (18/24)
 12/22/10 3:12pm
yostusota
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top


Joined: 5/18/2010
Posts: 1518

Mark you crack me up! Is your nickname Red? I wouldn't worry about where your vent tubes are as long as they drain and are not clogged up..the tubes we are looking for are not for the conv top cover..but the grates on the trunk for the Astro vent..right above the tank..might have to remove a grate and see where they really go and if there are tubes there at all..at least the post wasn't to long this time..hope the fingers are ok..
Rich

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Rear vent tubes (19/24)
 12/22/10 4:27pm
manchestersharkLifetime Member
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Equinunk, PA - USA

Vette(s):
1972 conv, 4-speed, 350, 200hp, numbers match, rally wheels, war bonnett yellow w/white top. good condition, nice driver.


Joined: 10/31/2007
Posts: 2381

 As I said in a previous reply, my grates go to the open. Can see to the ground. The only DRAINS I have are for the deck lid.  SORRY if I messed up the thread. I am not worried, just tryin to help someone else.  The fingers, I have to replace the band-aids at least once a day, but they will heal.

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Rear vent tubes (20/24)
 12/22/10 6:28pm
Jaws79Lifetime Member
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Sykesville, MD - USA

Vette(s):
1979 Corvette Coupe Corvette Light Blue Midnight Blue interior Mirrored Glass T-tops


Joined: 4/27/2008
Posts: 4238

[QUOTE=rod7515]Barry, its also taking you along time to post pictures. And I thought I was slow!
Rodney
[/QUOTE]
I have to have a chance to get to the other side of town to TAKE some pictures, first! Have only been able to get over there that one time so far.
 
Barry
 
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Rear vent tubes (21/24)
 12/23/10 1:05pm
VetteSpecialties
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Mounds View, MN - USA

Vette(s):
70 LT1 coupe, 69 350 HP coupe, 69 390HP 427 coupe, 71 LS5 convert, 85 coupe, 93 coupe


Joined: 5/24/2007
Posts: 1031

This thread got me remembering the restoration of my '71 roadster.  I had considered putting in factory-style A/C, so researched a bit.  I do remember that I have vacuum operated flaps from the passenger compartment into the well under the rear grills.  The tube goes to one of the two vacuum valves that are part of the heater controls.  The wells just have a hole in the bottom about 5/8" in diameter.  '68 to '70 roadsters had a tube out of the bottom of the well.

And I decided not to put in A/C.  Too much work and too crowded in a big block car.

Larry
Rear vent tubes (22/24)
 12/31/10 9:34am
rod7515Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic


Joined: 10/27/2006
Posts: 1182

My vents are now a finished item on my list. As I have found out thru this thread convertibles did not have any tubes coming out from the vents for drainage but just a small 5/8" hole. The vent on the drivers side of mine had been "chewed" by some mice at some time during its life to the size of about 2 inches. My repair this morning was to take a 3 inch square piece of pond liner with the rubber patch, cut the 5/8" hole in it and vulcanize it to the bottom. Worked great and now I can move on to installing the tank today.
Thanks for all the help with this information.
Rodney


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Rear vent tubes (23/24)
 12/31/10 8:21pm
garr72
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Vette(s):
72 t-top red on black small block, auto,a/c,ps,pb,radio. Built Aug24/71 no.834


Joined: 11/16/2003
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I have replaced the drain tubes on our coupe a long time ago and at that time I ordered an extra  set from GM. Our 72 has air and astro vent. The interior side panels have to be removed the hose is clamped to a spout on the side of the plemium and the other end runs to the inside of the rear wheel well were is riveted to metal drain that is located on the outside of the wheel well. Page m108 in the 72 assembly manual. So to sum up the water from the plenium drains  into the wheel well. If this not what you are looking for I got to practise my typing. Garry
Rear vent tubes (24/24)
 1/1/11 2:57am
rod7515Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic


Joined: 10/27/2006
Posts: 1182

Garry, after many discussions with other convertible owners we have found that convertibles dont have tubes on them, just holes in the bottom corners. Guess we  got cheated on water drainage as vert owners!!
I have to say your car looks awesome! Something to be very proud of!
Rodney


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