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Thread: Radiator hoses

  1. #1
    Join Date
    Oct 2010
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    Radiator hoses

    Have a 03 Suburban engine ( 5.3 ) in my 95 GMC Sierra. What upper and lower radiator hoses so I need for this swap?

  2. #2
    Join Date
    Nov 2009
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    SAN ANTONE
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    you can use the stock 5.3 hose you will just need to trim it a little on the radiator side, the lower depends on the radiator that you are using, i know on the swaps that we have done we have used stock hoses and trimmed a little until they fit
    06 rcsb, 6two, 231/235, 4.11, pacesetter, 80e, 14 bolt, Nelson tuned
    2011 rcsb 6two swap in the works with 6l90 and boost
    FARMTRUC CAN GARGLE PEANUT BUTTER

  3. #3
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    I used stock 5.3 hoses for both, didn't trim either one.

    95 C1500 LM7, built 4L60e, Circle D 3200, LT's, Nelson tune, open differential, 3.42, and LS1 e-fans. Tractionless

  4. #4
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    I'm also planning on using electric radiator fans. What hoses should I use?
    Last edited by HRV-LS1; 06-27-2012 at 09:26 PM.

  5. #5
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    Dec 2011
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    Savannah, ga
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    i have electric fans and am gonna use the stock hoses as well

  6. #6
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    warwick ny
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    Quote Originally Posted by silverado_lover View Post
    I used stock 5.3 hoses for both, didn't trim either one.
    Same here!!

  7. #7
    Join Date
    Mar 2012
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    129
    Quote Originally Posted by silverado_lover View Post
    I used stock 5.3 hoses for both, didn't trim either one.
    x2

  8. #8
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    Thanks for the help gentlemen. Got the 5.3 hoses. They will work. Got another question. Want to install electric radiator fans for the 5.3. Also a wiring kit for the fan or fans would be needed also. What do you recommend?

  9. #9
    Join Date
    Sep 2011
    Posts
    264
    Which harness you using,, I had Nelson do my e fan harness when I ordered my engine harness

  10. #10
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    S & P harness. Still waiting for it.

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