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Thread: Dual tanks on 87 c10

  1. #1
    Join Date
    Sep 2013
    Posts
    3

    Dual tanks on 87 c10

    New to this sight. I have read several of the post and I might have missed one about using the tank selector valve with the higher pressure pumps in the tanks. Is there a selector valve with high pressure fittings on it, or does someone have a suggestion on how to plumb them up safely?

  2. #2
    Join Date
    Sep 2013
    Posts
    3
    Okay no response so I'm thinking from what I have read there are other ways to do this. From what I have read the options I have are to put ep 381 pumps in the tanks
    and just use hose clamps on the selector valve, or to use the ep 386 pumps in the tanks then put a high pressure pump after the selector valve. From what I have been told and read that the high pressure pumps will not pull the fuel out of the tanks so I will need to put pumps in the tanks to feed the higher pressure pump. If any one has tried any of these please let me know which is the best way.

  3. #3
    Join Date
    Oct 2013
    Posts
    1
    Go to http://www.hotrodlane.cc/77chevytruck/77chevy.htm, then go to the next page (link at the bottom of the page).

    It has the information you need for dual tanks.

  4. #4
    Join Date
    Jan 2008
    Location
    NW South Dakota
    Posts
    37
    Hey JoJo...sorry I'm a month late to the party...

    On my 86 dually C-30 LQ4/4L80e swap, I used an EP-381 in each tank with the factory tank selector valve from a 87 TBI truck...been working fine since early '08.

  5. #5
    Join Date
    Oct 2013
    Posts
    1
    So what is the difference in the EP-241 to the EP-381?

  6. #6
    Join Date
    Jan 2008
    Location
    NW South Dakota
    Posts
    37
    Quote Originally Posted by Custom86 View Post
    So what is the difference in the EP-241 to the EP-381?

    EP241 Flow= 40 gph & PSI = 65-75

    EP381 Flow = 50-60 GPH & PSI = 80-90

  7. #7
    Join Date
    Sep 2013
    Posts
    3
    Thanks for the reply CattleAc, That is the setup I went with and it's good to know it should work good.

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