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Old 04-17-2010, 02:23 AM
srt10madness srt10madness is offline
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Default Gear question 4:56 to 4:10...need insight pros cons?

I have a dodge ram Srt 10 4 door automatic 48RE 4 speed transmission. It has the Dana super 60 rear or something like that with 4:56 gears currently in it. I want to switch to 4:10 gears mainly for the fact of lower RPM on the highway to help not work the engine so hard. It's close to 3000 RPM at 75.
My question is how hard is the swap? How bad will my speed/RPM be affected at the track in 1/8th and 1/4 mile? Will the computer need to reprogramed and will the speedo be affected? Lastly how much should a set of used gears cost?
Thanks in advance!!
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