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Open Roads Forum  >  Tow Vehicles

 > 2010 Duramax Auxiliary fuel tank plumbing.

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ivbinconned

highway 16

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Posted: 12/17/20 08:55am Link  |  Quote  |  Print  |  Notify Moderator

I have done a few installs on Rams and Fords.
Recently for the first time used “ gravity Flow control valve” on 2016 Ram.
Will a 2010 Duramax need a valve like this too? Or will it NOT leak when stock tank full and auxiliary full too?


Ram and 34 ft Cedar Creek

Grit dog

Black Diamond, WA

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Posted: 12/17/20 09:20am Link  |  Quote  |  Print  |  Notify Moderator

Same concept, different truck. Not particular to the brand of truck. Unless I didn’t understand the question.


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Lwiddis

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Posted: 12/17/20 03:14pm Link  |  Quote  |  Print  |  Notify Moderator

Aren’t electric pumps required between fuel tanks? For positive shutoff in a crash?


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ivbinconned

highway 16

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Posted: 12/17/20 05:29pm Link  |  Quote  |  Print  |  Notify Moderator

I know it’s the same “concept”. Like I said I have done a number of Ford and Ram trucks. In some years though they will never overfill the stock tank and leak. Like in an 06 Ram.
My question is weather a GM product will leak without the use of a gravity flow control valve?

Grit dog

Black Diamond, WA

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Posted: 12/17/20 07:18pm Link  |  Quote  |  Print  |  Notify Moderator

Lwiddis wrote:

Aren’t electric pumps required between fuel tanks? For positive shutoff in a crash?

No

Grit dog

Black Diamond, WA

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Posted: 12/17/20 07:20pm Link  |  Quote  |  Print  |  Notify Moderator

ivbinconned wrote:

I know it’s the same “concept”. Like I said I have done a number of Ford and Ram trucks. In some years though they will never overfill the stock tank and leak. Like in an 06 Ram.
My question is weather a GM product will leak without the use of a gravity flow control valve?


They all need a check valve for “automatic” filling afaik.

* This post was edited 12/18/20 08:14am by Grit dog *

larry barnhart

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Posted: 12/20/20 01:14pm Link  |  Quote  |  Print  |  Notify Moderator

My 55 gal inbed tank switches over with a toggle switch on my sash and fuel gauge still works for either tank and also fuel used. Had it made when our 05 truck was new do march 06 before we headed home it was made and installed. We really have enjoyed what it does for us. chevman


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Grit dog

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Posted: 12/21/20 10:21am Link  |  Quote  |  Print  |  Notify Moderator

larry barnhart wrote:

My 55 gal inbed tank switches over with a toggle switch on my sash and fuel gauge still works for either tank and also fuel used. Had it made when our 05 truck was new do march 06 before we headed home it was made and installed. We really have enjoyed what it does for us. chevman


Very convenient as well. Curious how the gauge works running off the slip tank?

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