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5.3 to 6.0 engine swap on a 99 silverado

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by zacdavis, Aug 22, 2009.

  1. zacdavis

    zacdavis New Member

    what will i have to do to make this work. and what can i do before i put the motor in my truck to make it have more power. i have the v-8 5.3. its a LM7
  2. 5speedsilverado

    5speedsilverado New Member 1000 Posts

    Most likely just a tranny, but after that a tune

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