diff --git a/NPSimulation/Detectors/Vendeta/Vendeta.cc b/NPSimulation/Detectors/Vendeta/Vendeta.cc
index d6874a4af3b08155ca1ed10311eb736f1e5970a8..a45b9c1f21233acc20340b43568b2ad214ab56d4 100644
--- a/NPSimulation/Detectors/Vendeta/Vendeta.cc
+++ b/NPSimulation/Detectors/Vendeta/Vendeta.cc
@@ -60,7 +60,7 @@ using namespace CLHEP;
 namespace Vendeta_NS{
   // Energy and time Resolution
   const double EnergyThreshold = 0.1*MeV;
-  const double ResoTime = 4.5*ns ;
+  const double ResoTime = 0.6*ns ;
   const double ResoEnergy = 1.0*MeV ;
   const double Thickness = 51.*mm ;
   const double Radius = 127./2*mm ;
diff --git a/Projects/s455/Analysis.cxx b/Projects/s455/Analysis.cxx
index 39b70b82f6348b4cb1a97c86eba13fd076a3d7e8..bf174527c2094ad1b76698878cc8b43466d2f5cd 100644
--- a/Projects/s455/Analysis.cxx
+++ b/Projects/s455/Analysis.cxx
@@ -115,7 +115,7 @@ void Analysis::Init(){
   
   //double Z_MWPC3 = 7.852*m;
   //double Z_MWPC3 = 3.402*m;
-  double Z_MWPC3 = 3.5*m;
+  double Z_MWPC3 = 3.65*m;
   double X_MWPC3 = (Z_MWPC3 - m_GladField->GetGladTurningPoint().Z())*tan(m_GladField->GetCentralTheta());
   m_GladField->Set_MWPC3_Position(X_MWPC3,0,Z_MWPC3);