diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index 87feca42ef..d69d8b3a75 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -1070,7 +1070,7 @@ custom idle_mode_e 1 bits, U08, @OFFSET@, [0:0], "Open Loop + Closed Loop", "Ope
 	bit verboseTriggerSynchDetails;Verbose info in console below engineSnifferRpmThreshold\nenable trigger_details
 	bit isManualSpinningMode;Usually if we have no trigger events that means engine is stopped\nUnless we are troubleshooting and spinning the engine by hand - this case a longer\ndelay is needed
 	bit twoWireBatchInjection;This is needed if your coils are individually wired and you wish to use batch injection.\nenable two_wire_batch_injection
-	bit unused1372b13
+	bit neverInstantRpm
 	bit twoWireBatchIgnition;This is needed if your coils are individually wired (COP) and you wish to use batch ignition (Wasted Spark).
 bit useFixedBaroCorrFromMap
 bit useSeparateAdvanceForCranking,"Table","Fixed (auto taper)";In Constant mode, timing is automatically tapered to running as RPM increases.\nIn Table mode, the "Cranking ignition advance" table is used directly.
@@ -1555,7 +1555,8 @@ int16_t ALSMaxDuration;;"sec", 1, 0, 0, 10, 0
 uint8_t alsMinTimeBetween;;"", 1, 0, 0, 20000, 0
 uint8_t alsEtbPosition;;"", 1, 0, 0, 20000, 0
     uint8_t acRelayAlternatorDutyAdder
-	uint8_t[2] unusedA11lignmentFill_at_33
+	uint8_t instantRpmRange
+	uint8_t unusedA11lignmentFill_at_33
 	SentEtbType sentEtbType
 	int ALSIdleAdd;;"%", 1, 0, 0, 100, 2
 	int ALSEtbAdd;;"%", 1, 0, 0, 100, 2
diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index 08d64142f4..9fba9376cd 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -4307,7 +4307,9 @@ dialog = tcuControls, "Transmission Settings"
 
 		field = "consumeObdSensors",						consumeObdSensors, { canReadEnabled == 1 && canWriteEnabled == 1}
 		field = "Artificial Misfire",						artificialTestMisfire
+		field = "Instant Rpm Range",                    instantRpmRange
 		field = "Always use instant RPM",				alwaysInstantRpm
+		field = "Never use instant RPM TODO",			neverInstantRpm
 		field = vinNumber,										vinNumber
 		field = turbochargerFilter,							turbochargerFilter
 		field = auxFrequencyFilter,							auxFrequencyFilter