November 7, 200520 yr the 3.9L might very well benefit from a 6spd transmission... if the gear ratios are a bit shorter with some tall OD gears... then the car could get very competitive acceleration and have good MPG. [post="37057"]<{POST_SNAPBACK}>[/post] I'm very anxious to know exactly how the 3.9L would improve with the 6speed. I can't imagine MUCH improvement, but then again, I don't know too much about this area, so I'll keep my mouth shut. How does the engine perform vs. the 3800? I mean, obviously it has more power, but is it quieter? Smoother in any way? I'm a little disappointed the engine didn't get more power. I would have expected 250+hp from it.
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