diff --git a/firmware/config/engines/custom_engine.cpp b/firmware/config/engines/custom_engine.cpp
index 2208509d70..7c1d3d1166 100644
--- a/firmware/config/engines/custom_engine.cpp
+++ b/firmware/config/engines/custom_engine.cpp
@@ -688,6 +688,14 @@ void setBoschHDEV_5_injectors(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 	CONFIG(mc33_t_hold_tot) = 10000;
 }
 
+/**
+ * set engine_type 108
+ */
+void setVrThresholdTest(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
+	setHellenDefaultVrThresholds(PASS_CONFIG_PARAMETER_SIGNATURE);
+	engineConfiguration->vrThreshold[0].pin = GPIOB_4;
+}
+
 /**
  * set engine_type 107
  */
diff --git a/firmware/config/engines/custom_engine.h b/firmware/config/engines/custom_engine.h
index 7251e7d21f..af451a34f5 100644
--- a/firmware/config/engines/custom_engine.h
+++ b/firmware/config/engines/custom_engine.h
@@ -34,3 +34,4 @@ void setTest33816EngineConfiguration(DECLARE_CONFIG_PARAMETER_SIGNATURE);
 void setBoschHDEV_5_injectors(DECLARE_CONFIG_PARAMETER_SIGNATURE);
 void setHellen72etb(DECLARE_CONFIG_PARAMETER_SIGNATURE);
 void setRotary(DECLARE_CONFIG_PARAMETER_SIGNATURE);
+void setVrThresholdTest(DECLARE_CONFIG_PARAMETER_SIGNATURE);
diff --git a/firmware/controllers/algo/auto_generated_commonenum.cpp b/firmware/controllers/algo/auto_generated_commonenum.cpp
index 2304103d9a..4dac6b23ea 100644
--- a/firmware/controllers/algo/auto_generated_commonenum.cpp
+++ b/firmware/controllers/algo/auto_generated_commonenum.cpp
@@ -1,6 +1,6 @@
 #include "global.h"
 #include "rusefi_enums.h"
-// was generated automatically by rusEFI tool  from rusefi_enums.h // by enum2string.jar tool on Fri Sep 17 23:02:58 EDT 2021
+// was generated automatically by rusEFI tool  from rusefi_enums.h // by enum2string.jar tool on Sun Sep 26 02:05:28 EDT 2021
 // see also gen_config_and_enums.bat
 
 
@@ -534,6 +534,12 @@ case SUBARUEJ20G_DEFAULTS:
   return "SUBARUEJ20G_DEFAULTS";
 case SUBARU_2003_WRX:
   return "SUBARU_2003_WRX";
+case TEST_108:
+  return "TEST_108";
+case TEST_109:
+  return "TEST_109";
+case TEST_110:
+  return "TEST_110";
 case TEST_33816:
   return "TEST_33816";
 case TEST_CIVIC_4_0_BOTH:
diff --git a/firmware/controllers/algo/engine_configuration.cpp b/firmware/controllers/algo/engine_configuration.cpp
index b346548d95..504cbe2de0 100644
--- a/firmware/controllers/algo/engine_configuration.cpp
+++ b/firmware/controllers/algo/engine_configuration.cpp
@@ -1115,6 +1115,11 @@ void resetConfigurationExt(configuration_callback_t boardCallback, engine_type_e
 	case TEST_33816:
 		setTest33816EngineConfiguration(PASS_CONFIG_PARAMETER_SIGNATURE);
 		break;
+	case TEST_108:
+		setVrThresholdTest(PASS_CONFIG_PARAMETER_SIGNATURE);
+		break;
+	case TEST_109:
+	case TEST_110:
 	case TEST_ROTARY:
 		setRotary(PASS_CONFIG_PARAMETER_SIGNATURE);
 		break;
diff --git a/firmware/controllers/algo/rusefi_enums.h b/firmware/controllers/algo/rusefi_enums.h
index 937353a300..0a8e566242 100644
--- a/firmware/controllers/algo/rusefi_enums.h
+++ b/firmware/controllers/algo/rusefi_enums.h
@@ -232,6 +232,10 @@ typedef enum {
 
 	TEST_ROTARY = ET_TEST_ROTARY,
 
+	TEST_108 = 108,
+	TEST_109 = 109,
+	TEST_110 = 110,
+
 	Force_4_bytes_size_engine_type = ENUM_32_BITS,
 } engine_type_e;