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Recent content by Dannyboyjg24

  1. D

    5.7 GLi backfire but plugs show rich

    Need some input if anyone can help out. I have a 5.7 GLi and the previous owner let original engine freeze and crack. They replaced with a 5.7 Vortec and in the process had to replace the intake. The engine runs rough whether on ears or in water. On ears it will die on us after idling for a few...
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