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help with my ls1 water pump gaskets

This is a discussion on help with my ls1 water pump gaskets within the General Help forums, part of the LSx Technical Help Section category; hi I have a couple of questions .. here in my country I cant find water pump gaskets for my ...

  1. #1
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    Unhappy help with my ls1 water pump gaskets

    hi I have a couple of questions .. here in my country I cant find water pump gaskets for my 98 z28 , sounds dumb but not ever the dealer sells them so Im bring in them as alway, the questions are
    meanwhile.. the are here and because it is my DD car..

    im thinking in using one of those sheet for making gasket and rtv sealer
    or just rtv between the pump and block ?

    Seems to be 2 kinds of water pump gaskets..

    98 ones are made of fiber/paper and the 99 up are made of aluminum/silicone ..

    is it true that the 99 up are reusables?

    which ones should I buy?

    heres a pic of the bad gasket
    1a299d30.jpg


    UPDATE: read last post
    Last edited by torker; 12-12-2011 at 10:58 AM.

  2. #2
    Senior Member cpop98ws6's Avatar
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    I would go with the aluminum gaskets, they seem to hold up a lot better. I personally wouldn't reuse any gasket, I always put new ones on what ever I am working on.
    Callies 383, Trick Flow 225, Rapid Motorsports Dominatior 2 X cam, ls6 ported oil pump,42lb injectors, FAST 92/92 , ASP underdrive pully, eletric water pump, Pacesetter LT's, Pacesetter ORY, Magnaflow catback, e-cutout, Yank SS 3600, Performabuilt stage 2 4l60e, Strange S60 ,4.10s, Detroit Truetrac, (UMI) - Adj. LCA, Adj. tunnel mount torque arm, Adj. panhard bar, Drag bar, subframe conectors, shock tower brace. 465rwhp-438rwtq 11.09@119.90.

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    Senior Member 98maro's Avatar
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    That sucks man.
    When I was in my country everytime we had a problem like this. (no gasket) I remember my uncle used to make them.
    He used to go to the auto parts store and buy a sheet of gasket.
    Don't remember the name of it. But to me it looked like piece of thick paper.

    Just giving an idea man.
    Or I'm sure you can buy it only if you have no other choice.

  4. #4
    Veteran 0rion's Avatar
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    I personally would just rtv it if you're having trouble finding a gasket.

  5. #5
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    Hey Good news have found a new set of these
    part number 12630223
    Attachment 23449

    same in tsp page http://texas-speed.com/p-2271-gm-ls1...ls3ls6ls7.aspx

    have to install them without rtv sealant right?

  6. #6
    Smiles for 9.5 Years cammed goat's Avatar
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    When I replaced a water pump on an 02 Suburban, I didn't use RTV. Just the supplied gaskets. The aluminum gaskets already have silicone around the holes so RTV isn't needed.

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    thanks for the reply man,!


    LS1 rocks! Im also in another LS1xxxx forum asking the same questions and people arent this friendly thanks again

  8. #8
    Veteran 0rion's Avatar
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    glad you found the gaskets.....much better option than just rtv. You don't need rtv with the gaskets although I always put a little bit around them just to hold them in place while seating everything. Won't hurt anything either way though.

  9. #9
    Member TA98's Avatar
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    ^^^Agree. I use a dap of weather strip adhesive to hold them to the block so they dont move when i line the waterpump up

  10. #10
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    done, I did put just a thin layer of rtv on block and water pump just to be sure and no leaks for now , hope it stays that way

    torqued Water Pump Bolts (First Pass)to 11 lb ft & (Final Pass) 22 lb ft
    Last edited by torker; 12-13-2011 at 01:55 PM.

  11. #11
    Smiles for 9.5 Years cammed goat's Avatar
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    Glad to hear.

  12. #12
    Member TA98's Avatar
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    shouldnt have any problems

  13. #13
    Senior Member JayTA98's Avatar
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    I had also a hard time looking for the gaskets. I ended up just getting a new water pump because of the amount of work to pull the old pump out and the old pump had 115K so I figure might as well replace it. I still got the old pump. Was thinking of selling it or rebuild it. I did put a little RTV to just hold them in place like Orion said.


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