diff --git a/game/reconstructed/mech4.cpp b/game/reconstructed/mech4.cpp
index ae60ad5..e01a0b8 100644
--- a/game/reconstructed/mech4.cpp
+++ b/game/reconstructed/mech4.cpp
@@ -1607,9 +1607,19 @@ void
 				const void *parent = (pseg != 0) ? (const void *)pseg->GetParent() : 0;
 				int parentIdx = (pseg != 0) ? pseg->GetParentIndex() : -99;
 				JointSubsystem *js = sm->GetJointSubsystem();
+				// #148: the SHOOTER's live torso twist AT THIS INSTANT.  The
+				// [torso-copy] probe samples every 120th call, so its "first
+				// non-zero" tells you when it first SAMPLED, not when the twist
+				// started -- that is exactly the artifact that made the earlier
+				// "the peer had no twist to carry" reading look right.  Read the
+				// cell directly instead, so twistDelta and the twist that should
+				// be driving it are on the SAME line.
+				extern Scalar *BTGetTorsoTwistAddr(Subsystem *torso);
+				Scalar *twp = BTGetTorsoTwistAddr(sm->GetTorsoSubsystem());
 				DEBUG_STREAM << "[launchframe] "
 					<< (sm->GetInstance() == Entity::ReplicantInstance
 							? "REPLICANT" : "master   ")
+					<< " liveTwist=" << (twp != 0 ? (float)*twp : -99.0f)
 					<< " seg=" << muzzle_seg << " segResolved=" << haveFrame
 					<< " segYaw=" << segYaw << " bodyYaw=" << bodyYaw
 					<< " twistDelta=" << dYaw
@@ -7940,7 +7950,33 @@ void
 				continue;
 			if (i != 0)					// slot 0 = the mapper (task #7)
 				++subsystemsPresent;
-			if (!subsystem->IsNonReplicantExecutable())
+			// #148 -- THE INSTANCE BRANCH.  Entity::Perform (ENTITY.cpp:733-793,
+			// real engine source [T0]) picks the predicate by instance:
+			//     if (GetInstance() != ReplicantInstance)  IsNonReplicantExecutable()
+			//     else                                     IsReplicantExecutable()
+			// and they differ exactly on the replicant case (SIMULATE.h:195-206):
+			//     NonReplicant: (flags & DontExecuteFlag) == 0
+			//     Replicant   : (flags & DontExecuteFlag) == 0
+			//                    || lastUpdate >= lastPerformance
+			// `ExecuteOnUpdate()` SETS DontExecuteFlag -- it means "do not tick me
+			// every frame, tick me when an UPDATE ARRIVES".  This loop used the
+			// NonReplicant predicate for every mech, so on a REPLICANT any
+			// ExecuteOnUpdate subsystem never ran at all, no matter how many
+			// records arrived for it.
+			//
+			// Measured (scratchpad/night13/missileframe2.sh): the peer's copy
+			// TORSO received its first record at log line 205 but its Performance
+			// did not run until line 1014 -- ~800 lines of arriving twist data
+			// integrated by nobody, so the peer's torso sat at 0 and its missiles
+			// launched along the body facing (the tail of #141).  The records
+			// themselves were fine: they are sent on RATE CHANGE (the sweep's
+			// direction flips -- atUpd +/-2.39 with rate flipping sign), and the
+			// peer dead-reckons `atUpd + rate * elapsed` between them.
+			const Logical execOK =
+				(GetInstance() != Entity::ReplicantInstance)
+					? subsystem->IsNonReplicantExecutable()
+					: subsystem->IsReplicantExecutable();
+			if (!execOK)
 				continue;
 
 			// The controls-mapping subsystem (roster slot 0 via Mech::SetMapping
diff --git a/game/reconstructed/torso.cpp b/game/reconstructed/torso.cpp
index 2482ca8..98ddab6 100644
--- a/game/reconstructed/torso.cpp
+++ b/game/reconstructed/torso.cpp
@@ -823,6 +823,13 @@ void
 				<< " vel=" << twistVelocity
 				<< " lastUpd=" << lastUpdateTime
 				<< " now=" << GetCurrentTime()
+				// #148: ComputeTargetTwist ends in Min(limitLeft)/Max(limitRight).
+				// If the COPY's limits never loaded they are 0/0, which pins
+				// targetTwist to EXACTLY 0 no matter what the record carried --
+				// which is what a peer stuck at zero twist would look like.
+				<< " limL=" << horizontalLimitLeft
+				<< " limR=" << horizontalLimitRight
+				<< " enab=" << (int)horizontalEnabled
 				<< " copy=" << (int)isDamagedCopy << std::endl;
 	}
 }