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Old 05-06-2013, 09:22 PM
ckage83 ckage83 is offline
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Engine: 2009-2010 345ci (5.7L) Hemi V8 390hp 407lb/ft
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Thats what I'm curious about. How do 4.56 gears perform on the highway? Right now (stock) I'm averaging about 18 mpg +/-. I'm going to do a 6" lift with 35s and a tuner but ultimately I'd like to return the driveability to stockish. On the Highway I run about 1800 rpm @ 65-70 mph. How would the new gears change that?
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