diff --git a/y2014/constants.cc b/y2014/constants.cc
index ccbbabf..21ebb59 100644
--- a/y2014/constants.cc
+++ b/y2014/constants.cc
@@ -39,11 +39,11 @@
 const double kPracticeLowGearRatio = kCompLowGearRatio;
 const double kPracticeHighGearRatio = kCompHighGearRatio;
 
-const ShifterHallEffect kCompRightDriveShifter{2.9, 4.31, 4.32, 3.3, 0.2, 0.7};
-const ShifterHallEffect kCompLeftDriveShifter{3.19, 4.33, 4.1, 3.02, 0.2, 0.7};
+const ShifterHallEffect kCompLeftDriveShifter{2.61, 2.33, 4.25, 3.28, 0.2, 0.7};
+const ShifterHallEffect kCompRightDriveShifter{2.94, 4.31, 4.32, 3.25, 0.2, 0.7};
 
-const ShifterHallEffect kPracticeRightDriveShifter{2.95, 3.95, 3.95, 2.95, 0.2, 0.7};
-const ShifterHallEffect kPracticeLeftDriveShifter{2.95, 4.2, 3.95, 3.0, 0.2, 0.7};
+const ShifterHallEffect kPracticeLeftDriveShifter{2.80, 3.05, 4.15, 3.2, 0.2, 0.7};
+const ShifterHallEffect kPracticeRightDriveShifter{2.90, 3.75, 3.80, 2.98, 0.2, 0.7};
 
 const double kRobotWidth = 25.0 / 100.0 * 2.54;