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#1 |
Registered User
Join Date: Oct 2011
Location: Postfalls ID
Posts: 205
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Looking for photos and info on aux tank
I’m looking for any photos or info to put this all back with auxiliary tank. It’s a 1970 K20 Thanks
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#2 |
Registered User
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,500
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Re: Looking for photos and info on aux tank
I've got a tank out back but it is probably junk now. Looking at your photos again if that one doesn't have holes in the bed floor for the filler neck, breather hose and bolts to hold the tank in it had a different style of tank in it. Meaning that the tank I have went under the bed and the filler and breather hoses ran down inside the bedside with a stamped steel cover over them.
I was looking on my photobucket for a picture of the tank because I have an inch of snow on the ground and probably won't make it around to where the tank is anytime soon. Here I found them in an album I labled as Truck info. URL=https://hosting.photobucket.com/albums/w71/mr48chev/Truck%20info/.highres/008-1.jpg?width=960&height=720&fit=bounds] ![]() ![]() ![]()
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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. Last edited by mr48chev; 12-01-2023 at 03:40 PM. |
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#3 |
Registered User
Join Date: Feb 2011
Location: Under the Truck Dreaming
Posts: 702
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Re: Looking for photos and info on aux tank
My tank looks exactly like mr48chev, but here are a few of the filler neck before I took everything apart for paint. This option is on my SPID along with the Custom Camper and heavy rear springs. If you have an assembly manual all these parts are shown and the installation too.
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72 K20 Custom Camper, D60, 14BFF, full roller 406 TPI w custom built ECU and yes..it has tow hooks... |
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#4 |
Registered User
Join Date: Apr 2009
Location: newbury new hampsire
Posts: 2,067
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Re: Looking for photos and info on aux tank
That’s the nl2 tank in that picture that is what you need to start , very hard to find , that tank looks fine to me that can be saved
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#5 |
Registered User
Join Date: Sep 2010
Location: Central Oklahoma
Posts: 253
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Re: Looking for photos and info on aux tank
Do a search on here for nl2 aux tank. Several recent threads about it.
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1972 C20 402/TH400/3.54 Highlander 1969 Camaro RS with SS trim, 1967 Camaro RS/SS (sold) ![]() 1983 GMC Sierra Classic 2500 crew cab (sold) 1972 Chevy C10 Cheyenne Super (sold) 1984 Chevy Silverado C20 crew cab (bought new by my uncle, in the family until I sold it) |
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#6 |
Senior Member
![]() Join Date: Feb 2022
Location: Ca
Posts: 496
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Re: Looking for photos and info on aux tank
The above photos are all correct original parts. Factory only did driver side tanks as far as I know. The right side tanks are aftermarket. The filler neck is hard to find but the neck for a 70s Suburban will work with just some minor tweaks. Most right side tanks will not have the filler and vent tube in the position needed to mirror the factory filler neck. I took the extra tube length of the suburban filler and used it on a tank given to me. Then cut the holes in bed floor and sides. Looks factory. The inside of bed cover is available and can be used on either side. Can't recall source.
I could not tell if your bed has holes. The side filler hole looks high to me but could be angle of the camera. I have the fillers exposed while I work on damaged bed rails right now. I'll take a few photos for you later. Last thing is the mount hardware. They are reproduced by small machine shop at 50 bucks each. I welded a rod connector to a washer used to hold grinding wheels to a grinder shaft. Diameter slightly larger but looks and functions very close to original. Restoring the tanks and getting everything needed was a fun project. |
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#7 |
Senior Member
![]() Join Date: Feb 2022
Location: Ca
Posts: 496
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Re: Looking for photos and info on aux tank
As promised. Some Photos. Seems like the factory hole is lower then OP original photo. I also took a shot at the factory plate that covers a rubber insulation pad so water is not dripping on the tank all the time. Note if one of the hoses is damaged and the bed fills with water, it can allow water into the tank. My tank had not been used in years. It had a few gallons of water in it. Lots of rust. I cut access hole and sandblasted inside. Then used a tank sealer kit. Result was very good. The last photo is of the inside of tank when I started.
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#8 |
Senior Member
![]() Join Date: Feb 2022
Location: Ca
Posts: 496
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Re: Looking for photos and info on aux tank
More pics. Tanks are done and installed. Work great.
Second photo is of the Suburban Filler neck. It's not a perfect match to our original but close enough to make work with little changes. It is behind the covers so not a issue for me. Sorry it rotated somehow. |
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#9 |
Registered User
Join Date: Apr 2009
Location: newbury new hampsire
Posts: 2,067
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Re: Looking for photos and info on aux tank
72 blazer filler tube is a correct fit and his hole does look high
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#10 | |
At the body shop.
Join Date: Aug 2009
Location: Land of fruits and nuts.
Posts: 5,211
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Re: Looking for photos and info on aux tank
Quote:
Our 68 has the same filler for a rear tank
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" That didnt make it any newer " " Dont antique the equipment " |
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