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tranny install and tune ?????

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Old 09-14-2010, 01:07 AM
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Default tranny install and tune ?????

when i got my built tranny put in my car it still had the 2.73 gears and they tuned then. After the tune they put the gears in it which are 3.42. Would them tuning the car with 2.73 gears in it mess it up when the 3.42 gears went in...Would the tune be messed up...
Old 09-14-2010, 05:59 AM
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No it should'nt but the speedo will be way off if the did not change it fir 3:42's.
Old 09-14-2010, 09:04 AM
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what about shift points.
Old 09-14-2010, 11:01 AM
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The RPM it set to shift @ will be the same but the time inbetween the shifts may change.




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