diff --git a/firmware/config/engines/GY6_139QMB.cpp b/firmware/config/engines/GY6_139QMB.cpp
index 767c5e58cd..917f0b1e91 100644
--- a/firmware/config/engines/GY6_139QMB.cpp
+++ b/firmware/config/engines/GY6_139QMB.cpp
@@ -28,6 +28,8 @@ void setGy6139qmbDefaultEngineConfiguration() {
 	engineConfiguration->specs.displacement = 0.072; // 72cc
 	engineConfiguration->specs.cylindersCount = 1;
 	setOperationMode(engineConfiguration, FOUR_STROKE_CRANK_SENSOR);
+	// this is related to 'setDefaultBaseEngine' having 'skippedWheelOnCam = true' which is a weird fact by itself
+	engineConfiguration->skippedWheelOnCam = false;
 
 	engineConfiguration->specs.firingOrder = FO_1;
 
diff --git a/firmware/config/engines/test_engine.cpp b/firmware/config/engines/test_engine.cpp
index f897254318..685db3722b 100644
--- a/firmware/config/engines/test_engine.cpp
+++ b/firmware/config/engines/test_engine.cpp
@@ -55,6 +55,8 @@ void setTestCrankEngineConfiguration() {
 	engineConfiguration->trigger.type = TT_ONE;
 
 	setOperationMode(engineConfiguration, FOUR_STROKE_CRANK_SENSOR);
+	// this is related to 'setDefaultBaseEngine' having 'skippedWheelOnCam = true' which is a weird fact by itself
+	engineConfiguration->skippedWheelOnCam = false;
 }
 
 void setTestVVTEngineConfiguration() {
diff --git a/firmware/controllers/algo/defaults/default_base_engine.cpp b/firmware/controllers/algo/defaults/default_base_engine.cpp
index 82cc602f79..e6ecc3d8a4 100644
--- a/firmware/controllers/algo/defaults/default_base_engine.cpp
+++ b/firmware/controllers/algo/defaults/default_base_engine.cpp
@@ -34,7 +34,9 @@ void setDefaultBaseEngine() {
 
 	// Trigger
 	engineConfiguration->trigger.type = TT_TOOTHED_WHEEL_60_2;
+	// huh WAT? our default is skipped on CAM?! and *many* our tests are relying on that?!
 	setOperationMode(engineConfiguration, FOUR_STROKE_CAM_SENSOR);
+	engineConfiguration->skippedWheelOnCam = true;
 	engineConfiguration->useOnlyRisingEdgeForTrigger = false;
 
 	engineConfiguration->globalTriggerAngleOffset = 0;