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04-13-2005, 11:55 AM
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#1 |
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II Timothy 4:2
Join Date: Mar 2005
Location: Fort Worth
Posts: 361
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Aux tank question.
I have a factory auxiliary fuel tank on my 72 C-20 (option #NL2). I ran my truck out of gas yesterday (right now the cab tank is out and will be replaced) and when i got to the gas station I could only get 13 gallons in. From what I've read, I thought that all factory aux tanks were 19 gallons. Can anybody who has a factory tank tell me how much their tank will hold? Thanks!
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72 C-20 2WD LWB Custom Camper Deluxe 350 4 Speed "Project Lazarus" MY TRUE PRIDE AND JOY "Dangit, Bobby, people will see that oil stain and think I'm a drunk." |
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04-13-2005, 12:41 PM
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#2 |
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Registered User
Join Date: Feb 2000
Location: Center City, MN, USA
Posts: 3,253
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When I had my auxiliary tank out and apart I noticed the pick-up tube starts near the bottom of the tank and comes out the top. If your tube is short, not reaching the bottom of the tank, you may have 6 gallons left in there when it "runs out".
I don't think you want that tube all the way to the bottom as that is where 33 years of crap has collected.
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'70 cab, '71 chassis, 383, TH350, NP205. '71 Malibu convertible '72 Malibu hard top Center City, MN |
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04-13-2005, 12:53 PM
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#3 | |
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II Timothy 4:2
Join Date: Mar 2005
Location: Fort Worth
Posts: 361
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Quote:
BTW, does anybody know where to get a sender for the aux tank if it turns out the one I have is bad?
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72 C-20 2WD LWB Custom Camper Deluxe 350 4 Speed "Project Lazarus" MY TRUE PRIDE AND JOY "Dangit, Bobby, people will see that oil stain and think I'm a drunk." |
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04-13-2005, 01:02 PM
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#4 | |
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Registered User
Join Date: Feb 2000
Location: Center City, MN, USA
Posts: 3,253
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Quote:
The previous owner used it by filling it to the top and driving down the road until the truck sputtered then flipped over to the seat tank with the gauge. I wanted a fuel gauge. JC Whitney sells one with a sender that works ok for me. It set me back approximately $25. I had to make another hole in the top of the tank for the sender. I mounted the gauge that came it it knee-knocker style under the ignition switch, next to a tranny temp gauge.
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'70 cab, '71 chassis, 383, TH350, NP205. '71 Malibu convertible '72 Malibu hard top Center City, MN |
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04-13-2005, 01:48 PM
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#5 |
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Lovin' Life in Miss.!
Join Date: Mar 2004
Location: Puckett, Mississippi
Posts: 1,937
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I had a seperate pick-up brazed into the tank and went with an aftermarket sending unit with a GM ohm range that fit into the original hole. Had to drill new holes though as the mounting pattern was differant. Shop that did the pick-up screwed up though. Pick-up is not long enough. I only have 121/2 - 13 gal useable fuel load.
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The truck... you hear that? No really, you did hear that?!!! |
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