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Message: [QUOTE="Power Hungry, post: 543882, member: 1375"] One thing about FICM tuning is that it does not increase ICP nor SOI timing, so there is no risk of increased cylinder pressures. FICM tuning provides increased pulsewidth which, in effect, extends the combustion process. A longer combustion cycle provides improved torque in the low to mid RPM ranges. This is why most people experience improved throttle response and fuel economy. In any event, to answer your question about reliability, FICM tuning is generally as safe or safer than ECM tuning. The only real disadvantage is the lack of trans tuning, but at a 40 HP level it's usually not a concern. Even the 80 HP programs can run fine without trans tuning, it's just recommended that the TCM be given time to relearn... usually about 30 miles of driving... to correct for the increased power output. [/QUOTE]

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