diff --git a/src/graph.py b/src/graph.py
index 1a7c4e5..0b4d369 100644
--- a/src/graph.py
+++ b/src/graph.py
@@ -13,13 +13,13 @@ theta = np.deg2rad(crank_angle)
 displacement = (np.cos(theta) - 1) / 2
 
 crank_pulse = np.ones(num_samples)
-crank_pulse[(crank_angle >= 160) & (crank_angle <= 164)] = 0
-crank_pulse[(crank_angle >= 340) & (crank_angle <= 344)] = 0
-crank_pulse[(crank_angle >= 520) & (crank_angle <= 524)] = 0
-crank_pulse[(crank_angle >= 700) & (crank_angle <= 704)] = 0
+crank_pulse[(crank_angle >= 133) & (crank_angle <= 137)] = 0
+crank_pulse[(crank_angle >= 313) & (crank_angle <= 317)] = 0
+crank_pulse[(crank_angle >= 493) & (crank_angle <= 497)] = 0
+crank_pulse[(crank_angle >= 673) & (crank_angle <= 677)] = 0
 
 cam_pulse = np.ones(num_samples)
-cam_pulse[(crank_angle >= 450) & (crank_angle <= 454)] = 0
+cam_pulse[(crank_angle >= 448) & (crank_angle <= 452)] = 0
 
 # -------------------------
 # Figure layout