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injector cups
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  1. 01-04.5 LB7 Duramax Powertrain
    Doing head gaskets on my LB7. Sorry I don’t have my truck info filled out…new here and am kinda in a pinch. I’m simply curious if it’s typical to get the heads pressure checked with the injector cups in or out? What have y’all done? Machine shop told me I needed to have the cups installed in...
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