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01-20-2010, 02:51 PM
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Formerly- 1972SuperCheyenne
 
Join Date: Oct 2008
Location: Wake Forest NC
Posts: 5,782
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4l80e, 3.42 or 3.73 gears?
I have heard that if running a 4l80 over a 4l60 that you can run 3,73 gears instead of 3.42 gears and wind up about the same cruising rpm's on the highway. I have also heard that the 3.42 gears are too tall for the 4l80 and will cause the trans to continually downshift in town to try to find it's happy spot. Can anyone with actual experience elabprate on this. All help is again, greatly appreciated. --Josh
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--Josh My Build Thread:http://67-72chevytrucks.com/vboard/s...d.php?t=799218 A good crossthread is better than Loctite any day. Life is not about what you have, but who you have to share it with. |
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