diff --git a/GameData/RealismOverhaul/Engine_Configs/Raptor_Vac_Config.cfg b/GameData/RealismOverhaul/Engine_Configs/RaptorVac_Config.cfg
similarity index 84%
rename from GameData/RealismOverhaul/Engine_Configs/Raptor_Vac_Config.cfg
rename to GameData/RealismOverhaul/Engine_Configs/RaptorVac_Config.cfg
index a41360098f..d3e0ca3df1 100644
--- a/GameData/RealismOverhaul/Engine_Configs/Raptor_Vac_Config.cfg
+++ b/GameData/RealismOverhaul/Engine_Configs/RaptorVac_Config.cfg
@@ -102,12 +102,12 @@
 	{
 		name = ModuleEngineConfigs
 		type = ModuleEngines
-		configuration = Raptor-1-Vacuum
+		configuration = Raptor-1V
 		modded = false
 		origMass = 2.08
 		CONFIG
 		{
-			name = Raptor-1-Vacuum
+			name = Raptor-1V
 			specLevel = operational
 			maxThrust = 1961.33
 			minThrust = 784.532 // 40% throttle [3]
@@ -151,24 +151,27 @@
 				name = CooledLqdOxygen
 				amount = 0.5697 // ~ Guess
 			}
+			//same as Raptor
 			TESTFLIGHT:NEEDS[TestLite|TestFlight]
 			{
-				ratedBurnTime = 3600 // ~ Guess to Allow it to Burn For 1 Hour
+				ratedBurnTime = 360 // ~6 minutes for longest continuous burn
+				testedBurnTime = 1800 // 30 minutes. Raptor-1 got lots of test stand time, issues in flight were due to Starship as much as Raptor
+				safeOverburn = true
 				// assume roughly exponential relationship between chamber pressure and lifespan
 				thrustModifier
 				{
 					key = 0.00 0.05 0 0
 					key = 1.00 1.00 3 3
 				}
-				ignitionReliabilityStart = 0.98 // ~ Slight Chance of the Torch-lit system failing
-				ignitionReliabilityEnd = 0.995 // ~ Slight Chance of the Torch-lit system failing
-				cycleReliabilityStart = 0.99975
-				cycleReliabilityEnd = 0.99995
+				ignitionReliabilityStart = 0.940217
+				ignitionReliabilityEnd = 0.988043
+				cycleReliabilityStart = 0.927083
+				cycleReliabilityEnd = 0.985417
 			}
 		}
 		CONFIG
 		{
-			name = Raptor-2-Vacuum
+			name = Raptor-2V
 			specLevel = operational
 			description = Second Generation Raptor-Engine, heavily simplified, lighter, and with uprated thrust.
 			maxThrust = 2530.1157
@@ -213,25 +216,28 @@
 				name = CooledLqdOxygen
 				amount = 0.5697 // ~ Guess
 			}
+			//Same as Raptor
 			TESTFLIGHT:NEEDS[TestLite|TestFlight]
 			{
-				ratedBurnTime = 3600 // ~ Guess to Allow it to Burn For 1 Hour
+				ratedBurnTime = 360 // ~6 minutes for longest continuous burn
+				testedBurnTime = 3600 // 60 minutes. Notably less explosive than Raptor 1
+				safeOverburn = true
 				// assume roughly exponential relationship between chamber pressure and lifespan
 				thrustModifier
 				{
 					key = 0.00 0.05 0 0
 					key = 1.00 1.00 3 3
 				}
-				ignitionReliabilityStart = 0.98 // ~ Slight Chance of the Torch-lit system failing
-				ignitionReliabilityEnd = 0.995 // ~ Slight Chance of the Torch-lit system failing
-				cycleReliabilityStart = 0.99975
-				cycleReliabilityEnd = 0.99995
-				techTransfer = Raptor-1,Raptor-1-Vacuum:50
+				ignitionReliabilityStart = 0.953344
+				ignitionReliabilityEnd = 0.992633
+				cycleReliabilityStart = 0.959070
+				cycleReliabilityEnd = 0.993537
+				techTransfer = Raptor-1,Raptor-1V:50
 			}
 		}
 		CONFIG
 		{
-			name = Raptor-3-Vacuum
+			name = Raptor-3V
 			specLevel = prototype
 			description = Third Generation Raptor-Engine with even greater simplification and even greater thrust, slightly heavier to include built in heatshielding.
 			maxThrust = 3000.8349
@@ -276,20 +282,23 @@
 				name = CooledLqdOxygen
 				amount = 0.5697 // ~ Guess
 			}
+			//complete guess, never flown
 			TESTFLIGHT:NEEDS[TestLite|TestFlight]
 			{
-				ratedBurnTime = 3600 // ~ Guess to Allow it to Burn For 1 Hour
+				ratedBurnTime = 360 // ~6 minutes for longest continuous burn
+				testedBurnTime = 9000 // 25 flights, about the same as the current demonstrated life of Merlin
+				safeOverburn = true
 				// assume roughly exponential relationship between chamber pressure and lifespan
 				thrustModifier
 				{
 					key = 0.00 0.05 0 0
 					key = 1.00 1.00 3 3
 				}
-				ignitionReliabilityStart = 0.98 // ~ Slight Chance of the Torch-lit system failing
-				ignitionReliabilityEnd = 0.995 // ~ Slight Chance of the Torch-lit system failing
-				cycleReliabilityStart = 0.99975
-				cycleReliabilityEnd = 0.99995
-				techTransfer = Raptor-1,Raptor-2,Raptor-1-Vacuum,Raptor-2-Vacuum:50
+				ignitionReliabilityStart = 0.98
+				ignitionReliabilityEnd = 0.999
+				cycleReliabilityStart = 0.98
+				cycleReliabilityEnd = 0.999
+				techTransfer = Raptor-1,Raptor-2,Raptor-1V,Raptor-2V:50
 			}
 		}
 	}
diff --git a/GameData/RealismOverhaul/Engine_Configs/Raptor_Config.cfg b/GameData/RealismOverhaul/Engine_Configs/Raptor_Config.cfg
index b64260b364..d253007be1 100644
--- a/GameData/RealismOverhaul/Engine_Configs/Raptor_Config.cfg
+++ b/GameData/RealismOverhaul/Engine_Configs/Raptor_Config.cfg
@@ -152,19 +152,34 @@
 				name = CooledLqdOxygen
 				amount = 0.57 // ~ Guess
 			}
+			
+			//Counting Raptor and RVac the same because RVac is basically identical with a nozzle extension
+			//Starhopper: 2 flights, 0 failures
+			//SN5: 1 flight, 0 failures
+			//SN6: 1 flight, 0 failures
+			//SN8: 1 flight (2 ignitions), 1 failure (1 cycle)
+			//SN9: 1 flight (2 ignitions), 1 failure (1 restart)
+			//SN10: 1 flight (2 ignitions), 0 failures
+			//SN11: 1 flight (2 ignitions), 1 failure (1 restart)
+			//SN15: 1 flight (2 ignitions), 0 failures
+			//23 ignitions, 0 failures
+			//23 cycles, 1 failure
+			//22 restarts, 2 failures
 			TESTFLIGHT:NEEDS[TestLite|TestFlight]
 			{
-				ratedBurnTime = 1800 // ~ Guess to Allow it to Burn For 30 Minutes
+				ratedBurnTime = 360 // ~6 minutes for longest continuous burn
+				testedBurnTime = 1800 // 30 minutes. Raptor-1 got lots of test stand time, issues in flight were due to Starship as much as Raptor
+				safeOverburn = true
 				// assume roughly exponential relationship between chamber pressure and lifespan
 				thrustModifier
 				{
 					key = 0.00 0.05 0 0
 					key = 1.00 1.00 3 3
 				}
-				ignitionReliabilityStart = 0.95 // ~ Slight Chance of the Torch-lit system failing
-				ignitionReliabilityEnd = 0.98 // ~ Slight Chance of the Torch-lit system failing
-				cycleReliabilityStart = 0.9
-				cycleReliabilityEnd = 0.99995
+				ignitionReliabilityStart = 0.940217
+				ignitionReliabilityEnd = 0.988043
+				cycleReliabilityStart = 0.927083
+				cycleReliabilityEnd = 0.985417
 			}
 		}
 		CONFIG
@@ -214,20 +229,33 @@
 				name = CooledLqdOxygen
 				amount = 0.5697 // ~ Guess
 			}
+			
+			//IFT-1 (B7): 1 flight, 6 failures (3 ignition, 3 cycle)
+			//IFT-2 (B9): 1 flight (2 ignitions), 2 failures (1 restart, 1 cycle)
+			//IFT-2 (S25): 1 flight, 0 failures
+			//IFT-3 (B10): 1 flight (3 ignitions), 5 failures (5 restart)
+			//IFT-3 (S28): 1 flight, 0 failures
+			//IFT-4 (B11): 1 flight (3 ignitions), 2 failures (1 ignition, 1 restart)
+			//IFT-4 (S29): 1 flight (2 ignitions), 0 failures
+			//150 ignitions, 4 failures
+			//146 cycles, 4 failures
+			//168 restarts, 7 failures
 			TESTFLIGHT:NEEDS[TestLite|TestFlight]
 			{
-				ratedBurnTime = 1800 // ~ Guess to Allow it to Burn For 30 Minutes
+				ratedBurnTime = 360 // ~6 minutes for longest continuous burn
+				testedBurnTime = 3600 // 60 minutes. Notably less explosive than Raptor 1
+				safeOverburn = true
 				// assume roughly exponential relationship between chamber pressure and lifespan
 				thrustModifier
 				{
 					key = 0.00 0.05 0 0
 					key = 1.00 1.00 3 3
 				}
-				ignitionReliabilityStart = 0.98 // ~ Slight Chance of the Torch-lit system failing
-				ignitionReliabilityEnd = 0.995 // ~ Slight Chance of the Torch-lit system failing
-				cycleReliabilityStart = 0.99975
-				cycleReliabilityEnd = 0.99995
-				techTransfer = Raptor-1,Raptor-1 Vacuum:50
+				ignitionReliabilityStart = 0.953344
+				ignitionReliabilityEnd = 0.992633
+				cycleReliabilityStart = 0.959070
+				cycleReliabilityEnd = 0.993537
+				techTransfer = Raptor-1,Raptor-1V:50
 			}
 		}
 		CONFIG
@@ -277,20 +305,24 @@
 				name = CooledLqdOxygen
 				amount = 0.5697 // ~ Guess
 			}
+			
+			//complete guess, never flown
 			TESTFLIGHT:NEEDS[TestLite|TestFlight]
 			{
-				ratedBurnTime = 3600 // ~ Guess to Allow it to Burn For 1 Hour (For HLS?)
+				ratedBurnTime = 360 // ~6 minutes for longest continuous burn
+				testedBurnTime = 9000 // 25 flights, about the same as the current demonstrated life of Merlin
+				safeOverburn = true
 				// assume roughly exponential relationship between chamber pressure and lifespan
 				thrustModifier
 				{
 					key = 0.00 0.05 0 0
 					key = 1.00 1.00 3 3
 				}
-				ignitionReliabilityStart = 0.98 // ~ Slight Chance of the Torch-lit system failing
-				ignitionReliabilityEnd = 0.995 // ~ Slight Chance of the Torch-lit system failing
-				cycleReliabilityStart = 0.99975
-				cycleReliabilityEnd = 0.99995
-				techTransfer = Raptor-1,Raptor-2,Raptor-1 Vacuum,Raptor-2 Vacuum:50
+				ignitionReliabilityStart = 0.98
+				ignitionReliabilityEnd = 0.999
+				cycleReliabilityStart = 0.98
+				cycleReliabilityEnd = 0.999
+				techTransfer = Raptor-1,Raptor-2,Raptor-1V,Raptor-2V:50
 			}
 		}
 	}