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Search results

  1. M

    97.5 H1 Hummer 6.5TD need help

    Where to start. Truck has about 160k miles on the original stock thin block engine. Ran fine before I tore the truck apart to do upgrades. Wiring stock all in good condition all connectors in great shape no corrosion pins making good contact Stock PCM no tune or anything Original timing...
  2. M

    1997.5 H1 Hummer 6.5TD Rough Idle & Blow by w/video Ideas?

    Not sure if that is normal blow by or not but I would imagine not. Engine has about 160k on it, I did basic maintenance to it drove it for 6 months on weekends, then it sat for 7 years without being started and a couple weeks ago it cranked up fine. Then the injection pump ate shit from...
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