diff --git a/resources/definitions/voron2_stealthchanger_base.def.json b/resources/definitions/voron2_stealthchanger_base.def.json
index e1db1d24c3..1602466783 100644
--- a/resources/definitions/voron2_stealthchanger_base.def.json
+++ b/resources/definitions/voron2_stealthchanger_base.def.json
@@ -1,5 +1,5 @@
 {
-    "version": 2,
+    "version": 3,
     "name": "Voron2 StealthChanger Base",
     "inherits": "voron2_base",
     "metadata":
@@ -24,6 +24,7 @@
         "machine_end_gcode": { "default_value": "PRINT_END" },
         "machine_extruder_count": { "default_value": 1 },
         "machine_name": { "default_value": "VORON2 StealthChanger" },
+        "machine_start_gcode_first": { "default_value": true },
         "machine_start_gcode": { "default_value": "PRINT_START TOOL_TEMP={material_print_temperature_layer_0} T{initial_extruder_nr}_TEMP={material_print_temperature_layer_0} BED_TEMP={material_bed_temperature_layer_0} TOOL={initial_extruder_nr}" }
     }
-}
\ No newline at end of file
+}
diff --git a/resources/extruders/voron2_stealthchanger_extruder_0.def.json b/resources/extruders/voron2_stealthchanger_extruder_0.def.json
index 55ddf8f90b..d0ef7cff8c 100644
--- a/resources/extruders/voron2_stealthchanger_extruder_0.def.json
+++ b/resources/extruders/voron2_stealthchanger_extruder_0.def.json
@@ -1,5 +1,5 @@
 {
-    "version": 2,
+    "version": 3,
     "name": "Toolhead 0",
     "inherits": "fdmextruder",
     "metadata":
@@ -20,6 +20,8 @@
         "machine_extruder_start_pos_abs": { "default_value": true },
         "machine_extruder_start_pos_x": { "value": "prime_tower_position_x" },
         "machine_extruder_start_pos_y": { "value": "prime_tower_position_y" },
-        "material_diameter": { "default_value": 1.75 }
+        "material_diameter": { "default_value": 1.75 },
+        "machine_extruder_change_duration": { "default_value": 10.0 },
+        "machine_extruder_prestart_code": { "default_value": "M104 S{material_print_temperature} T{extruder_nr}" }
     }
-}
\ No newline at end of file
+}
diff --git a/resources/extruders/voron2_stealthchanger_extruder_1.def.json b/resources/extruders/voron2_stealthchanger_extruder_1.def.json
index ad29966960..8e842e7c19 100644
--- a/resources/extruders/voron2_stealthchanger_extruder_1.def.json
+++ b/resources/extruders/voron2_stealthchanger_extruder_1.def.json
@@ -1,5 +1,5 @@
 {
-    "version": 2,
+    "version": 3,
     "name": "Toolhead 1",
     "inherits": "fdmextruder",
     "metadata":
@@ -20,6 +20,8 @@
         "machine_extruder_start_pos_abs": { "default_value": true },
         "machine_extruder_start_pos_x": { "value": "prime_tower_position_x" },
         "machine_extruder_start_pos_y": { "value": "prime_tower_position_y" },
-        "material_diameter": { "default_value": 1.75 }
+        "material_diameter": { "default_value": 1.75 },
+        "machine_extruder_change_duration": { "default_value": 10.0 },
+        "machine_extruder_prestart_code": { "default_value": "M104 S{material_print_temperature} T{extruder_nr}" }
     }
-}
\ No newline at end of file
+}
diff --git a/resources/extruders/voron2_stealthchanger_extruder_2.def.json b/resources/extruders/voron2_stealthchanger_extruder_2.def.json
index ec3b6ff3a9..9d2cdace3f 100644
--- a/resources/extruders/voron2_stealthchanger_extruder_2.def.json
+++ b/resources/extruders/voron2_stealthchanger_extruder_2.def.json
@@ -1,5 +1,5 @@
 {
-    "version": 2,
+    "version": 3,
     "name": "Toolhead 2",
     "inherits": "fdmextruder",
     "metadata":
@@ -20,6 +20,8 @@
         "machine_extruder_start_pos_abs": { "default_value": true },
         "machine_extruder_start_pos_x": { "value": "prime_tower_position_x" },
         "machine_extruder_start_pos_y": { "value": "prime_tower_position_y" },
-        "material_diameter": { "default_value": 1.75 }
+        "material_diameter": { "default_value": 1.75 },
+        "machine_extruder_change_duration": { "default_value": 10.0 },
+        "machine_extruder_prestart_code": { "default_value": "M104 S{material_print_temperature} T{extruder_nr}" }
     }
-}
\ No newline at end of file
+}
diff --git a/resources/extruders/voron2_stealthchanger_extruder_3.def.json b/resources/extruders/voron2_stealthchanger_extruder_3.def.json
index dfaa249e5d..16113cc78e 100644
--- a/resources/extruders/voron2_stealthchanger_extruder_3.def.json
+++ b/resources/extruders/voron2_stealthchanger_extruder_3.def.json
@@ -1,5 +1,5 @@
 {
-    "version": 2,
+    "version": 3,
     "name": "Toolhead 3",
     "inherits": "fdmextruder",
     "metadata":
@@ -20,6 +20,8 @@
         "machine_extruder_start_pos_abs": { "default_value": true },
         "machine_extruder_start_pos_x": { "value": "prime_tower_position_x" },
         "machine_extruder_start_pos_y": { "value": "prime_tower_position_y" },
-        "material_diameter": { "default_value": 1.75 }
+        "material_diameter": { "default_value": 1.75 },
+        "machine_extruder_change_duration": { "default_value": 10.0 },
+        "machine_extruder_prestart_code": { "default_value": "M104 S{material_print_temperature} T{extruder_nr}" }
     }
-}
\ No newline at end of file
+}
diff --git a/resources/extruders/voron2_stealthchanger_extruder_4.def.json b/resources/extruders/voron2_stealthchanger_extruder_4.def.json
index eeb6fbbe60..d82127128d 100644
--- a/resources/extruders/voron2_stealthchanger_extruder_4.def.json
+++ b/resources/extruders/voron2_stealthchanger_extruder_4.def.json
@@ -1,5 +1,5 @@
 {
-    "version": 2,
+    "version": 3,
     "name": "Toolhead 4",
     "inherits": "fdmextruder",
     "metadata":
@@ -20,6 +20,8 @@
         "machine_extruder_start_pos_abs": { "default_value": true },
         "machine_extruder_start_pos_x": { "value": "prime_tower_position_x" },
         "machine_extruder_start_pos_y": { "value": "prime_tower_position_y" },
-        "material_diameter": { "default_value": 1.75 }
+        "material_diameter": { "default_value": 1.75 },
+        "machine_extruder_change_duration": { "default_value": 10.0 },
+        "machine_extruder_prestart_code": { "default_value": "M104 S{material_print_temperature} T{extruder_nr}" }
     }
-}
\ No newline at end of file
+}
diff --git a/resources/extruders/voron2_stealthchanger_extruder_5.def.json b/resources/extruders/voron2_stealthchanger_extruder_5.def.json
index 61e05b6945..9b4fb22335 100644
--- a/resources/extruders/voron2_stealthchanger_extruder_5.def.json
+++ b/resources/extruders/voron2_stealthchanger_extruder_5.def.json
@@ -1,5 +1,5 @@
 {
-    "version": 2,
+    "version": 3,
     "name": "Toolhead 5",
     "inherits": "fdmextruder",
     "metadata":
@@ -20,6 +20,8 @@
         "machine_extruder_start_pos_abs": { "default_value": true },
         "machine_extruder_start_pos_x": { "value": "prime_tower_position_x" },
         "machine_extruder_start_pos_y": { "value": "prime_tower_position_y" },
-        "material_diameter": { "default_value": 1.75 }
+        "material_diameter": { "default_value": 1.75 },
+        "machine_extruder_change_duration": { "default_value": 10.0 },
+        "machine_extruder_prestart_code": { "default_value": "M104 S{material_print_temperature} T{extruder_nr}" }
     }
-}
\ No newline at end of file
+}
diff --git a/resources/extruders/voron2_stealthchanger_extruder_6.def.json b/resources/extruders/voron2_stealthchanger_extruder_6.def.json
index 3b3f614ae7..261c40e937 100644
--- a/resources/extruders/voron2_stealthchanger_extruder_6.def.json
+++ b/resources/extruders/voron2_stealthchanger_extruder_6.def.json
@@ -1,5 +1,5 @@
 {
-    "version": 2,
+    "version": 3,
     "name": "Toolhead 6",
     "inherits": "fdmextruder",
     "metadata":
@@ -20,6 +20,8 @@
         "machine_extruder_start_pos_abs": { "default_value": true },
         "machine_extruder_start_pos_x": { "value": "prime_tower_position_x" },
         "machine_extruder_start_pos_y": { "value": "prime_tower_position_y" },
-        "material_diameter": { "default_value": 1.75 }
+        "material_diameter": { "default_value": 1.75 },
+        "machine_extruder_change_duration": { "default_value": 10.0 },
+        "machine_extruder_prestart_code": { "default_value": "M104 S{material_print_temperature} T{extruder_nr}" }
     }
-}
\ No newline at end of file
+}
diff --git a/resources/extruders/voron2_stealthchanger_extruder_7.def.json b/resources/extruders/voron2_stealthchanger_extruder_7.def.json
index 071cd5d064..33e6255221 100644
--- a/resources/extruders/voron2_stealthchanger_extruder_7.def.json
+++ b/resources/extruders/voron2_stealthchanger_extruder_7.def.json
@@ -1,5 +1,5 @@
 {
-    "version": 2,
+    "version": 3,
     "name": "Toolhead 7",
     "inherits": "fdmextruder",
     "metadata":
@@ -20,6 +20,8 @@
         "machine_extruder_start_pos_abs": { "default_value": true },
         "machine_extruder_start_pos_x": { "value": "prime_tower_position_x" },
         "machine_extruder_start_pos_y": { "value": "prime_tower_position_y" },
-        "material_diameter": { "default_value": 1.75 }
+        "material_diameter": { "default_value": 1.75 },
+        "machine_extruder_change_duration": { "default_value": 10.0 },
+        "machine_extruder_prestart_code": { "default_value": "M104 S{material_print_temperature} T{extruder_nr}" }
     }
-}
\ No newline at end of file
+}