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  1. S

    What are some performance options?

    I know of 67mm Throttle bodies, and tuning. What else is there? Thanks.
  2. S

    ?s about the 08 and up 3.7s.

    Did jeep improve the 08 and up 3.7 intake, like dodge did for the 4.7? Thanks.
  3. S

    02-06 3.7 Engine ?s.

    Will the engines interchange? I'm looking at an 02 3.7 liberty that has a blown head gasket, and located an 06 3.7 with decent mileage on it. I'm hoping to just swap engines. Or are the 02s the JTEC, and the 03s & up the NGC. Thanks.
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