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Old 07-21-2010, 06:42 AM   #1
Malibob
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Re: Stupid Question?

Yeah that is the one! Forgot the names
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Old 07-21-2010, 07:20 PM   #2
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Re: Stupid Question?

I can take a shot of the tubes from inside the cab but it may be awhile because my focus is now on assembling the rear half of the truck. I picked up most of my bed panels this afternoon. This truck was originally sold by a GMC dealer in Amarillo, TX and has been in Texas since at least 1977. I would have to assume it has been here since '63 or '64. Thanks for the beer can theory but the tubes are too small in diameter.
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Old 07-21-2010, 07:23 PM   #3
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Re: Stupid Question?

If you run some water down the tubes, do they emit any odor?
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Old 07-21-2010, 07:53 PM   #4
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Re: Stupid Question?

The tubes are very much under the seat and hard to see from inside the cab. I have poked my finger around and they are not blocked by anything at this time. Could these tubes been a sort of protective sleeve for two fuel lines coming from spare fuel tanks mounted inside or underneath the bed of the truck?
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Old 07-21-2010, 08:06 PM   #5
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Re: Stupid Question?

Look for rust patterns on the outside of the frame.
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Old 07-23-2010, 06:40 AM   #6
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Re: Stupid Question?

You could drive in the rain with the windows closed and ventilate the cab.
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Old 07-23-2010, 09:02 AM   #7
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Re: Stupid Question?

I work near a Dodge dealership. They have a number of new Ram duallie trucks with no beds on them and the trucks have (2) large vents on the back of the cabs located where they would be hidden by the bed See picturr below. The actual vents look like this: http://cgi.ebay.com/ebaymotors/Dodge...ltDomainQ5f100

I am thinking this would be an excellent addition for our trucks. Anybody have any experience with these and are they also used on new Chevies and Fords?

I did find this interesting patent on-line in regards to "cab ventilation".
United States Patent 5779536

Truck cab ventilation system and method
A truck cab ventilation system and method which includes an air exhaust channel that extends from an upper channel portion adjacent the ceiling at the rear of the cab and through a lower channel portion to an exhaust vent mounted adjacent the floor of the cab over an exit opening in such floor. An inlet vent in the front of the cab produces a positive pressure within the cab which causes flow-through ventilation air flow from the front to the rear of the cab when the truck is moving. As a result, air flows into the upper channel portion of the exhaust channel and out of the exhaust vent through the exit opening to the exterior of the cab. The exhaust vent includes flexible louvers of elastomer which are held by gravity in a closed position and are moved into an open position when air flows out through the exhaust system.
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Old 07-23-2010, 10:59 AM   #8
Northern lights
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Re: Stupid Question?

Quote:
Originally Posted by lakeroadster View Post
Anybody have any experience with these and are they also used on new Chevies and Fords?
My 2001 Ford superduty has the same vents.
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Old 07-23-2010, 12:27 PM   #9
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Re: Stupid Question?

Sounds like the most plausible idea for sure (and a great idea to boot) . It is strange to see what people add to their cars. I once saw a mid eightees caprice with a box welded in the floor board so the upstanding owner could hide certain things. We were doing a custom paint job and interior on that one back when I earned my living painting cars.....don't miss that clientele for sure
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