Painless Perfect System - ECM
11-23-2009, 11:40 PM
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Staging Lane
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Painless Perfect System - ECM Converting a Jeep TJ to a LS1 with upgrades, anyone used the Painless "Perfect" computer and software package to tune and reprogram? Have not bought it yet. What Painless would you use? Stcok ECM and a aftermarket data port tuner?
