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  1. #1
    Jr. Engineer
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    Default dielectric grease ok for ignition control module ?

    guys, i installed a new ignition control module on my 1990 k1500 5.7 today. i did not have any of the white grease that usually goes on the bottom, so i used some permatex dielectric grease, the clear kind.
    will i be ok, or should i get some of the white stuff ?
    thanks

  2. #2

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    Naaa. you wanna use the heat sink compound. (the white stuff)
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  3. #3
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    Default

    Quote Originally Posted by moogvo View Post
    Naaa. you wanna use the heat sink compound. (the white stuff)


    do they sell it individually ? i have onyl seen it when its usually inside the module box...
    thanks

  4. #4

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    Quote Originally Posted by RATRODKING View Post
    do they sell it individually ? i have onyl seen it when its usually inside the module box...
    thanks

    I want to say Autozone sells it in little packets, commonly used on trailer plugs, but dont quote me on that.




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  5. #5
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    Default

    Quote Originally Posted by the phantom View Post
    I want to say Autozone sells it in little packets, commonly used on trailer plugs, but dont quote me on that.
    thanks, i am heading there tomorrow after work, and will do it the right way

  6. #6

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    Quote Originally Posted by the phantom View Post
    I want to say Autozone sells it in little packets, commonly used on trailer plugs, but dont quote me on that.
    That would be dielectric grease. You can get heat sink compound ar radio shack... Probably at the auto parts store too. Never looked for it there.

  7. #7

    Default

    Moogvo's spot on. You want heat sink compound. It's a grease/paste that has little bits of aluminum or silver embedded in the compound to enhance thermal conductivity. You can find it at RadioShack or Best Buy in the computer aisle. It's commonly used on heatsinks for computer processors.

    It's crucial the ignition module has good thermal conductivity to the housing it's mounted to. The module produces a lot of heat and is heat-sensitive. Run it without it for too long and you'll be replacing the module again.
    Christopher

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