diff --git a/firmware/controllers/algo/firing_order.h b/firmware/controllers/algo/firing_order.h
index 5441f5abb4..9bed06331b 100644
--- a/firmware/controllers/algo/firing_order.h
+++ b/firmware/controllers/algo/firing_order.h
@@ -40,6 +40,10 @@ typedef enum {
 	FO_1_8_7_2_6_5_4_3 = 11,
 	FO_1_5_4_2_6_3_7_8 = 12,
 	FO_1_2_7_8_4_5_6_3 = 19,
+	FO_1_3_7_2_6_5_4_8 = 20, // Ford 5.0 HO and 351W
+
+	// 9 cylinder - for instance radial :)
+	FO_1_2_3_4_5_6_7_8_9 = 21,
 
 	// 10 cylinder
 	FO_1_10_9_4_3_6_5_8_7_2 = 14, // dodge and viper ram v10
@@ -52,7 +56,7 @@ typedef enum {
 	// 16 cylinder
 	// todo: 1-14-9-4-7-12-15-6-13-8-3-16-11-2-5-10
 
-	// max used = 19
+	// max used = 21
 
 	Force_4b_firing_order = ENUM_32_BITS,
 } firing_order_e;
diff --git a/firmware/controllers/engine_controller.cpp b/firmware/controllers/engine_controller.cpp
index 1704599af8..543b02f131 100644
--- a/firmware/controllers/engine_controller.cpp
+++ b/firmware/controllers/engine_controller.cpp
@@ -753,6 +753,6 @@ int getRusEfiVersion(void) {
 	if (initBootloader() != 0)
 		return 123;
 #endif /* EFI_BOOTLOADER_INCLUDE_CODE */
-	return 20200426;
+	return 20200429;
 }
 #endif /* EFI_UNIT_TEST */
diff --git a/firmware/controllers/math/engine_math.cpp b/firmware/controllers/math/engine_math.cpp
index 74a431f87d..d9c00784d9 100644
--- a/firmware/controllers/math/engine_math.cpp
+++ b/firmware/controllers/math/engine_math.cpp
@@ -293,6 +293,10 @@ static const int order_1_8_4_3_6_5_7_2[] = { 1, 8, 4, 3, 6, 5, 7, 2 };
 static const int order_1_8_7_2_6_5_4_3[] = { 1, 8, 7, 2, 6, 5, 4, 3 };
 static const int order_1_5_4_2_6_3_7_8[] = { 1, 5, 4, 2, 6, 3, 7, 8 };
 static const int order_1_2_7_8_4_5_6_3[] = { 1, 2, 7, 8, 4, 5, 6, 3 };
+static const int order_1_3_7_2_6_5_4_8[] = { 1, 3, 7, 2, 6, 5, 4, 8 };
+
+// 9 cylinder
+static const int order_1_2_3_4_5_6_7_8_9[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
 
 // 10 cylinder
 static const int order_1_10_9_4_3_6_5_8_7_2[] = {1, 10, 9, 4, 3, 6, 5, 8, 7, 2};
@@ -335,8 +339,13 @@ static int getFiringOrderLength(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
 	case FO_1_8_7_2_6_5_4_3:
 	case FO_1_5_4_2_6_3_7_8:
 	case FO_1_2_7_8_4_5_6_3:
+	case FO_1_3_7_2_6_5_4_8:
 		return 8;
 
+// 9 cylinder radial
+	case FO_1_2_3_4_5_6_7_8_9:
+		return 9;
+
 // 10 cylinder
 	case FO_1_10_9_4_3_6_5_8_7_2:
 		return 10;
@@ -418,6 +427,12 @@ int getCylinderId(int index DECLARE_ENGINE_PARAMETER_SUFFIX) {
 		return order_1_5_4_2_6_3_7_8[index];
 	case FO_1_2_7_8_4_5_6_3:
 		return order_1_2_7_8_4_5_6_3[index];
+	case FO_1_3_7_2_6_5_4_8:
+		return order_1_3_7_2_6_5_4_8[index];
+
+	case FO_1_2_3_4_5_6_7_8_9:
+		return order_1_2_3_4_5_6_7_8_9[index];
+
 
 // 10 cylinder
 	case FO_1_10_9_4_3_6_5_8_7_2:
diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index bcd0f2fa17..649df5e309 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -450,7 +450,7 @@ cylinders_count_t cylindersCount;
 ! FO_1_8_4_3_6_5_7_2 = 5
 ! FO_1_2_4_5_3 = 6
 
-custom firing_order_e 4 bits,    U32,    @OFFSET@, [0:7], "One Cylinder", "1-3-4-2", "1-2-4-3", "1-3-2-4", "1-5-3-6-2-4", "1-8-4-3-6-5-7-2", "1-2-4-5-3", "1-4-2-5-3-6", "1-2", "1_2_3_4_5_6", "1-2-3", "1-8-7-2-6-5-4-3", "1-5-4-2-6-3-7-8", "1-6-3-2-5-4", "1-10-9-4-3-6-5-8-7_2", "1-7-5-11-3-9-6-12-2-8-4-10", "1-7-4-10-2-8-6-12-3-9-5-11", "1-4-3-2", "1-12-5-8-3-10-6-7-2-11-4-9", "1-2-7-8-4-5-6-3", "fo20", "fo21", "fo22", "INVALID"
+custom firing_order_e 4 bits,    U32,    @OFFSET@, [0:7], "One Cylinder", "1-3-4-2", "1-2-4-3", "1-3-2-4", "1-5-3-6-2-4", "1-8-4-3-6-5-7-2", "1-2-4-5-3", "1-4-2-5-3-6", "1-2", "1_2_3_4_5_6", "1-2-3", "1-8-7-2-6-5-4-3", "1-5-4-2-6-3-7-8", "1-6-3-2-5-4", "1-10-9-4-3-6-5-8-7_2", "1-7-5-11-3-9-6-12-2-8-4-10", "1-7-4-10-2-8-6-12-3-9-5-11", "1-4-3-2", "1-12-5-8-3-10-6-7-2-11-4-9", "1-2-7-8-4-5-6-3", "1-3-7-2-6-5-4-8", "1-2-3-4-5-6-7-8-9", "fo22", "fo23", "fo24", "fo25", "INVALID"
 firing_order_e firingOrder;
 end_struct