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  1. R

    General consensus on injector cups???

    So what do you guys recommend? it appears that loctite 620 is very thick and has good holding strength and high temps.
  2. R

    General consensus on injector cups???

    Your response is awesome! So opinions on the loctite / sealer?? I ordered permatex 27200 high temp thread locker. I later seen the loctite green 640 sleeve sealer, I like the idea that it's designed for engine sleeve sealing. Thoughts?
  3. R

    General consensus on injector cups???

    Getting ready to tackle my first LB7 injector install. My question is do most people pull all the injector cups / sleeves and re-seal them? Or do most let them be, if they stay in the head after the injector is removed? Does anyone know GM's recommendation? Thanks