Dual tank question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Russell · 12-23-2003, 03:00 AM

Would it work if I just stuck a Y pipe between my two tanks to make them just equalize and turn the two tanks into one split tank?

It would be so much better than messing around with this silly tank switch solenoid...

*mike reeh* · 12-23-2003, 04:15 AM

wouldnt work, how would you "equalize" the tanks? The common tube would have to be mounted to the bottom of the tank and would have to be large in diameter so that you could fill one and it would be filling both. Being that the tank output is at the top of the tank (at the sending unit), this is not possible. To make this work would take extensive customization of the tanks and fuel lines and would sort of negate the whole reason for doing it in the first place.. if you get the dual tanks working correctly, its really a pretty cool setup, in my opinion anyways..

mike

76HighSierra · 12-23-2003, 05:21 AM

I love having dual separate tanks in my truck. It's comforting to know that when that needle is on "E", and you're the the middle of BFE, that gas is just a flick of the switch away. I always keep gas in both tanks just for that purpose. When I get low, I always fill both up. Expensive, with my truck having two 20 gallon talks, but with a gas pig 454, I need 'em.

Prerunner1982 · 12-23-2003, 01:13 PM

actually a local guy did just that, he ran a hose from bottom of one tank to bottom of the other.. unfortuanatly when you do this it runs close to the driveshaft.. it did on his, it was a shortbed. The main reason he did it was because around here, there isnt a gas station that still has fuel hoses you can pull across to fill up the other side. you have to put the handle down and turn the truck around... in the mean time someone has pulled into your spot thinking its thier turn to fill up. he says it works as far as equalizing it. when i do this though the hose will be at the top and be run between the bed and the frame, up and out of the way. so i can fill both tanks from one side and still have the seperated.

Russell · 12-23-2003, 01:33 PM

If I fill both sides somewhat the same will it work that way?

12-23-2003, 03:00 AM	#1
Russell Professional Grade Join Date: May 2003 Location: Fort McMurray, Alberta Posts: 7,915	Dual tank question Would it work if I just stuck a Y pipe between my two tanks to make them just equalize and turn the two tanks into one split tank? It would be so much better than messing around with this silly tank switch solenoid... __________________ 1995 Chevrolet 2 Door Tahoe (6.6L LBZ Duramax / ZF6 / NP241 with 1 ton solid axle swap)

12-23-2003, 05:21 AM	#3
76HighSierra DAMN, I love Big Blocks! Join Date: Aug 2003 Location: New Mexico, USA Posts: 619	I love having dual separate tanks in my truck. It's comforting to know that when that needle is on "E", and you're the the middle of BFE, that gas is just a flick of the switch away. I always keep gas in both tanks just for that purpose. When I get low, I always fill both up. Expensive, with my truck having two 20 gallon talks, but with a gas pig 454, I need 'em. __________________ Marc Bona Hobbs, New Mexico 1976 1/2 ton GMC High Sierra. 454 c.i.d./ TH400. *Soon to get a mild warming over.* 3.40 rear.

12-23-2003, 01:13 PM	#4
Prerunner1982 Registered User Join Date: Oct 2002 Location: Edmond, OK Posts: 5,904	actually a local guy did just that, he ran a hose from bottom of one tank to bottom of the other.. unfortuanatly when you do this it runs close to the driveshaft.. it did on his, it was a shortbed. The main reason he did it was because around here, there isnt a gas station that still has fuel hoses you can pull across to fill up the other side. you have to put the handle down and turn the truck around... in the mean time someone has pulled into your spot thinking its thier turn to fill up. he says it works as far as equalizing it. when i do this though the hose will be at the top and be run between the bed and the frame, up and out of the way. so i can fill both tanks from one side and still have the seperated. __________________ Jon 1982 Chevy Silverado 350/th350.... RETIRED 1993 Jeep XJ 2 door(Cherokee) 4wd 4.0ltr/AX-15 (5spd)/NP231 .... Oklahoma Roll Call

12-23-2003, 01:33 PM	#5
Russell Professional Grade Join Date: May 2003 Location: Fort McMurray, Alberta Posts: 7,915	If I fill both sides somewhat the same will it work that way? __________________ 1995 Chevrolet 2 Door Tahoe (6.6L LBZ Duramax / ZF6 / NP241 with 1 ton solid axle swap)

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12-23-2003, 04:15 AM	#2
mike reeh 5 day ban, learn to behave. Join Date: Nov 2002 Location: san diego, ca Posts: 683	wouldnt work, how would you "equalize" the tanks? The common tube would have to be mounted to the bottom of the tank and would have to be large in diameter so that you could fill one and it would be filling both. Being that the tank output is at the top of the tank (at the sending unit), this is not possible. To make this work would take extensive customization of the tanks and fuel lines and would sort of negate the whole reason for doing it in the first place.. if you get the dual tanks working correctly, its really a pretty cool setup, in my opinion anyways.. mike



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