diff --git a/python/swiftest/swiftest/simulation_class.py b/python/swiftest/swiftest/simulation_class.py
index 1b6509976..a731603ce 100644
--- a/python/swiftest/swiftest/simulation_class.py
+++ b/python/swiftest/swiftest/simulation_class.py
@@ -246,7 +246,6 @@ def __init__(self,
         """
         self.param = {}
         self.ds = xr.Dataset()
-        self.codename = codename
         self.verbose = verbose
         self.restart = restart
 
@@ -257,7 +256,7 @@ def __init__(self,
         self.sim_dir = os.path.dirname(os.path.realpath(param_file))
         if read_param:
             if os.path.exists(param_file):
-                self.read_param(param_file, codename=codename, verbose=self.verbose)
+                self.read_param(param_file, codename=codename.title(), verbose=self.verbose)
             else:
                 print(f"{param_file} not found.")
 
@@ -543,7 +542,9 @@ def set_parameter(self, **kwargs):
         """
 
         # Setters returning parameter dictionary values
-        param_dict = self.set_unit_system(**kwargs)
+        param_dict = {}
+        param_dict.update(self.set_integrator(**kwargs))
+        param_dict.update(self.set_unit_system(**kwargs))
         param_dict.update(self.set_distance_range(**kwargs))
         param_dict.update(self.set_feature(**kwargs))
         param_dict.update(self.set_init_cond_files(**kwargs))
@@ -552,7 +553,6 @@ def set_parameter(self, **kwargs):
 
         # Non-returning setters
         self.set_ephemeris_date(**kwargs)
-        self.set_integrator(**kwargs)
 
         return param_dict
 
@@ -569,10 +569,11 @@ def get_parameter(self, **kwargs):
 
         """
 
-        self.get_integrator(**kwargs)
 
         # Getters returning parameter dictionary values
-        param_dict = self.get_simulation_time(**kwargs)
+        param_dict = {}
+        param_dict.update(self.get_integrator(**kwargs))
+        param_dict.update(self.get_simulation_time(**kwargs))
         param_dict.update(self.get_init_cond_files(**kwargs))
         param_dict.update(self.get_output_files(**kwargs))
         param_dict.update(self.get_distance_range(**kwargs))
@@ -611,18 +612,21 @@ def set_integrator(self,
         if integrator is None and codename is None:
             return
 
+        update_list = []
+
         if codename is not None:
-            valid_codename = ["swiftest", "swifter", "swift"]
-            if codename.lower() not in valid_codename:
+            valid_codename = ["Swiftest", "Swifter", "Swift"]
+            if codename.title() not in valid_codename:
                 print(f"{codename} is not a valid codename. Valid options are ",",".join(valid_codename))
                 try:
                     self.codename
                 except:
                     self.codename = valid_codename[0]
             else:
-                self.codename = codename.lower()
+                self.codename = codename.title()
 
-            self.param['! VERSION'] = f"{self.codename.title()} parameter input"
+            self.param['! VERSION'] = f"{self.codename} parameter input"
+            update_list.append("codename")
 
         if integrator is not None:
             valid_integrator = ["symba","rmvs","whm","helio"]
@@ -634,10 +638,11 @@ def set_integrator(self,
                     self.integrator = valid_integrator[0]
             else:
                 self.integrator = integrator.lower()
+            update_list.append("integrator")
 
-            self.get_integrator("integrator", verbose)
+        integrator_dict = self.get_integrator(update_list, verbose)
 
-        return
+        return integrator_dict
 
     def get_integrator(self,arg_list: str | List[str] | None = None, verbose: bool | None = None, **kwargs: Any):
         """
@@ -658,29 +663,45 @@ def get_integrator(self,arg_list: str | List[str] | None = None, verbose: bool |
 
         Returns
         -------
-        integrator: str,
-            The integrator name.
+        integrator_dict : dict
+            The subset of the dictionary containing the code name if codename is selected
         """
 
+        valid_var = {"codename": "! VERSION"}
+
+        valid_instance_vars = {"integrator": self.integrator,
+                               "codename": self.codename}
+
         try:
             self.integrator
         except:
             print(f"integrator is not set")
-            return
+            return {}
 
         try:
             self.codename
         except:
             print(f"codename is not set")
-            return
+            return {}
 
-        valid_arg = {"integrator": self.integrator,
-                     "codename": self.codename}
 
         if not bool(kwargs) and arg_list is None:
-            arg_list = list(valid_arg.keys())
-        ephemeris_date = self._get_instance_var(arg_list, valid_arg, verbose, **kwargs)
-        return
+            arg_list = list(valid_instance_vars.keys())
+        integrator = self._get_instance_var(arg_list, valid_instance_vars, verbose, **kwargs)
+
+        valid_arg, integrator_dict = self._get_valid_arg_list(arg_list, valid_var)
+
+        if verbose is None:
+            verbose = self.verbose
+
+        if verbose:
+            for arg in arg_list:
+                if arg in valid_arg:
+                    key = valid_var[arg]
+                    print(f"{arg:<{self._getter_column_width}} {integrator_dict[key]}")
+                elif arg in valid_instance_vars:
+                    print(f"{arg:<{self._getter_column_width}} {valid_instance_vars[arg]}")
+        return integrator_dict
 
     def set_feature(self,
                     close_encounter_check: bool | None = None,
@@ -963,7 +984,7 @@ def ascii_file_input_error_msg(codename):
             else:
                 init_cond_file_type = "NETCDF_DOUBLE"
 
-        if self.codename == "Swiftest":
+        if self.codename.title() == "Swiftest":
             init_cond_keys = ["CB", "PL", "TP"]
         else:
             init_cond_keys = ["PL", "TP"]
@@ -1057,6 +1078,7 @@ def get_init_cond_files(self, arg_list: str | List[str] | None = None, verbose:
 
         if self.codename == "Swifter":
             three_file_args.remove("init_cond_file_name['CB']")
+            valid_var.pop("init_cond_file_name['CB']",None)
 
         # We have to figure out which initial conditions file model we are using (1 vs. 3 files)
         if arg_list is None: