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Thread: Need Radiator hose help..!!

  1. 03-06-2010 12:49 PM #1
    amcgeh01
    amcgeh01 is offline Junior Member
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    Question Need Radiator hose help..!!

    Hi Everyone,

    I am in the midst of getting the engine up and running and ready for install (2004 5.3L engine and tranny into my 1972 GMC Jimmy 4x4) and just picked up a great new aluminum 3-row radiator from Champion Cooling Systems near my house and am having a heck of a time trying to find the hoses that will work with the 5.3L conversion. Both inlets on the engine are on the pass side vs. the way they came... I just back from O'Rielly's and requested the 2004 Chevy Silverado rad hoses and they seem close at 1 1/4 on the top and bottom but the size is way off from my rad inlet/outlets... which are top: 1 1/2 & the btm: 1 3/4...? Has anyone on here come across this problem and if so, how did you solve it... I guess my only other option is to have them custom made but that will be expensive I am sure... Thanks in advance for any help...
    Last edited by amcgeh01; 03-06-2010 at 01:13 PM.
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  2. 03-06-2010 01:05 PM #2
    RedHeartbeat
    RedHeartbeat is offline WTH JUST HAPPENED?
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    Get one of those cool-flex universal copper flex hoses that you bend to fit, they come in many lengths with universal couplers for the ends.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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  3. 03-06-2010 01:18 PM #3
    amcgeh01
    amcgeh01 is offline Junior Member
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    Quote Originally Posted by RedHeartbeat View Post
    Get one of those cool-flex universal copper flex hoses that you bend to fit, they come in many lengths with universal couplers for the ends.
    Sounds like a good idea.. Any idea who makes them or where I can procure then at a reasonable cost..?
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  4. 03-06-2010 01:50 PM #4
    RedHeartbeat
    RedHeartbeat is offline WTH JUST HAPPENED?
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    SummitRacing.com, Jegs.com, Oriellyauto.com... Google is your friend.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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  5. 03-06-2010 01:55 PM #5
    amcgeh01
    amcgeh01 is offline Junior Member
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    Quote Originally Posted by RedHeartbeat View Post
    SummitRacing.com, Jegs.com, Oriellyauto.com... Google is your friend.
    Got it, thanks alot... I should have googled first.. Funny though, I was just at O'Reilly's and asked him several times if they make a flexible hose that would work and he said No..? I will check Summit's..
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  6. 03-06-2010 05:19 PM #6
    Chevy-Art's Avatar
    Chevy-Art
    Chevy-Art is offline LS1 Club Member
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    Here are the two I used to find radiator hoses.
    DAYCO/Multiview: Dimensional Lookup, Hoses
    Gates Online Catalog
    "ALisSa1 Silverado"
    1990 Chevrolet RCSB● 2002 Chevrolet Camaro LS1/4L60E
    Scrimpin Ain't Easy
    ( . Y . )

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  7. 03-07-2010 12:32 AM #7
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    blackout
    blackout is offline Senior Member
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    Quote Originally Posted by amcgeh01 View Post
    Got it, thanks alot... I should have googled first.. Funny though, I was just at O'Reilly's and asked him several times if they make a flexible hose that would work and he said No..? I will check Summit's..
    you trust anything the guys at oreillys say? haha. sorry i am just biased
    2003 GMC K1500 ECSB running an Iron 383 Stroker ......
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