2005 duramax lly dyno runs
1:49
Added: 2 years ago
From: motoguy52
Views: 3,431
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  • torque wise its decent

    555222444999 2 years ago

  • Dam dude. Not to hate but them hp numbers kinda suck. Who made ur efi tune or did you do it by yourself? I can lay the 350-380 mark on stock trans with efi and it still defueling. Not sure what you got going on there.... :think:

    2000silveradoz71 2 years ago

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