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4.9L Performance

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  • Ryan Stockreef
    Can somebody give me all the performance modifications you can do with a 1991 Eldo w/ the 4.9L? I am selling mine to a friend and would like me to help with
    Message 1 of 1 , Nov 4, 2003
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      Can somebody give me all the performance modifications you can do
      with a 1991 Eldo w/ the 4.9L? I am selling mine to a friend and
      would like me to help with performance. I know the basics like spark
      plugs, K&N, Flowmaster, but I wanted to do other tunings too.

      Thank You,
      Ryan
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