diff --git a/Config/NFS_Engines.cfg b/Config/NFS_Engines.cfg
index 9427134..0a2e671 100644
--- a/Config/NFS_Engines.cfg
+++ b/Config/NFS_Engines.cfg
@@ -8,6 +8,40 @@
 //------------------------------------------------
 // Liquid-fueled engines
 
+@PART[engine-rocket-pack-1]:HAS[!MODULE[TestFlightInterop]]:BEFORE[zTestFlight]
+{
+    TFENGINE
+    {
+       name = 64-8S
+       ratedBurnTime = 65
+       cycleReliabilityStart = 0.55
+       cycleReliabilityEnd = 0.998
+
+       clusterMultiplier = 2
+
+       liquidFuelFailures = True
+       ignitionFailures = False         // Monopropellant similar to hydrazine?
+    }
+}
+
+@PART[engine-rocket-pack-2]:HAS[!MODULE[TestFlightInterop]]:BEFORE[zTestFlight]
+{
+    TFENGINE
+    {
+       name = 98-8S
+       ratedBurnTime = 90
+       cycleReliabilityStart = 0.55
+       cycleReliabilityEnd = 0.998
+
+       clusterMultiplier = 4
+
+       liquidFuelFailures = True
+       ignitionFailures = False         // Monopropellant similar to hydrazine?
+
+       techTransfer = 64-8S:75
+    }
+}
+
 @PART[orbital-engine-0625]:HAS[!MODULE[TestFlightInterop]]:BEFORE[zTestFlight]
 {
     TFENGINE
diff --git a/Config/Stock_Engines.cfg b/Config/Stock_Engines.cfg
index d8ab53c..f12d899 100644
--- a/Config/Stock_Engines.cfg
+++ b/Config/Stock_Engines.cfg
@@ -206,6 +206,13 @@
        //techTransfer = linearRcs:25    // TestFlight does not yet support RCS
     }
 }
+@PART[omsEngine]:HAS[!MODULE[TestFlightInterop]]:BEFORE[zTestFlight]:NEEDS[NearFutureSpacecraft]
+{
+    @TFENGINE[O-10]
+    {
+       %techTransfer = orbital-engine-0625:25
+    }
+}
 
 @PART[radialLiquidEngine1-2]:HAS[!MODULE[TestFlightInterop]]:BEFORE[zTestFlight]
 {