diff --git a/Client/Scripts/Menus/CoopMenu.cs b/Client/Scripts/Menus/CoopMenu.cs
index 220fcdf..213a2a7 100644
--- a/Client/Scripts/Menus/CoopMenu.cs
+++ b/Client/Scripts/Menus/CoopMenu.cs
@@ -66,6 +66,7 @@ namespace RageCoop.Client.Menus
             MenuPool.Add(DevToolMenu.Menu);
             MenuPool.Add(DebugMenu.Menu);
             MenuPool.Add(DebugMenu.DiagnosticMenu);
+            MenuPool.Add(DebugMenu.TuneMenu);
             MenuPool.Add(ServersMenu.Menu);
             MenuPool.Add(PopUp);
 
@@ -174,13 +175,13 @@ namespace RageCoop.Client.Menus
         #region ITEMS
 
         private static readonly NativeItem _usernameItem = new NativeItem("Username")
-            { AltTitle = Settings.Username };
+        { AltTitle = Settings.Username };
 
         private static readonly NativeItem _passwordItem = new NativeItem("Password")
-            { AltTitle = new string('*', Settings.Password.Length) };
+        { AltTitle = new string('*', Settings.Password.Length) };
 
         public static readonly NativeItem ServerIpItem = new NativeItem("Server IP")
-            { AltTitle = Settings.LastServerAddress };
+        { AltTitle = Settings.LastServerAddress };
 
         internal static readonly NativeItem _serverConnectItem = new NativeItem("Connect");
 
@@ -188,7 +189,7 @@ namespace RageCoop.Client.Menus
                 "https://github.com/RAGECOOP~n~" +
                 "~y~VERSION~s~~n~" +
                 Main.ModVersion)
-            { LeftBadge = new ScaledTexture("commonmenu", "shop_new_star") };
+        { LeftBadge = new ScaledTexture("commonmenu", "shop_new_star") };
 
         #endregion
     }
diff --git a/Client/Scripts/Menus/Sub/DebugMenu.cs b/Client/Scripts/Menus/Sub/DebugMenu.cs
index 376b553..64ce996 100644
--- a/Client/Scripts/Menus/Sub/DebugMenu.cs
+++ b/Client/Scripts/Menus/Sub/DebugMenu.cs
@@ -1,39 +1,76 @@
 using System;
 using System.Drawing;
+using System.Linq;
+using System.Reflection;
 using GTA.UI;
 using LemonUI.Menus;
+using RageCoop.Core;
 
 namespace RageCoop.Client
 {
     internal static class DebugMenu
     {
-        public static NativeMenu Menu = new NativeMenu("RAGECOOP", "Debug", "Debug settings")
+        public static NativeMenu Menu = new("RAGECOOP", "Debug", "Debug settings")
         {
             UseMouse = false,
             Alignment = Settings.FlipMenu ? Alignment.Right : Alignment.Left
         };
 
-        public static NativeMenu DiagnosticMenu = new NativeMenu("RAGECOOP", "Diagnostic", "Performence and Diagnostic")
+        public static NativeMenu DiagnosticMenu = new("RAGECOOP", "Diagnostic", "Performence and Diagnostic")
+        {
+            UseMouse = false,
+            Alignment = Settings.FlipMenu ? Alignment.Right : Alignment.Left
+        };
+
+
+        public static NativeMenu TuneMenu = new("RAGECOOP", "Change tunable values")
         {
             UseMouse = false,
             Alignment = Settings.FlipMenu ? Alignment.Right : Alignment.Left
         };
 
         public static NativeItem SimulatedLatencyItem =
-            new NativeItem("Simulated network latency", "Simulated network latency in ms (one way)", "0");
+            new("Simulated network latency", "Simulated network latency in ms (one way)", "0");
 
-        public static NativeCheckboxItem ShowOwnerItem = new NativeCheckboxItem("Show entity owner",
+        public static NativeCheckboxItem ShowOwnerItem = new("Show entity owner",
             "Show the owner name of the entity you're aiming at", false);
 
         private static readonly NativeCheckboxItem ShowNetworkInfoItem =
-            new NativeCheckboxItem("Show Network Info", Networking.ShowNetworkInfo);
+            new("Show Network Info", Networking.ShowNetworkInfo);
 
         static DebugMenu()
         {
             Menu.Banner.Color = Color.FromArgb(225, 0, 0, 0);
             Menu.Title.Color = Color.FromArgb(255, 165, 0);
 
-
+            TuneMenu.Opening += (s, e) =>
+            {
+                TuneMenu.Clear();
+                foreach (var t in typeof(Main).Assembly.GetTypes())
+                {
+                    foreach (var field in t.GetFields(BindingFlags.Public | BindingFlags.Static | BindingFlags.NonPublic))
+                    {
+                        var attri = field.GetCustomAttribute<DebugTunableAttribute>();
+                        if (attri == null)
+                            continue;
+                        var item = new NativeItem($"{t}.{field.Name}");
+                        item.AltTitle = field.GetValue(null).ToString();
+                        item.Activated += (s, e) =>
+                        {
+                            try
+                            {
+                                field.SetValue(null, Convert.ChangeType(Game.GetUserInput(), field.FieldType));
+                                item.AltTitle = field.GetValue(null).ToString();
+                            }
+                            catch (Exception ex)
+                            {
+                                Log.Error(ex);
+                            }
+                        };
+                        TuneMenu.Add(item);
+                    }
+                }
+            };
             DiagnosticMenu.Opening += (sender, e) =>
             {
                 DiagnosticMenu.Clear();
@@ -70,6 +107,7 @@ namespace RageCoop.Client
             Menu.Add(ShowNetworkInfoItem);
             Menu.Add(ShowOwnerItem);
             Menu.AddSubMenu(DiagnosticMenu);
+            Menu.AddSubMenu(TuneMenu);
         }
     }
 }
\ No newline at end of file
diff --git a/Client/Scripts/Shared.cs b/Client/Scripts/Shared.cs
index 260fdf6..cbfe476 100644
--- a/Client/Scripts/Shared.cs
+++ b/Client/Scripts/Shared.cs
@@ -15,6 +15,10 @@ using System.Text;
 
 namespace RageCoop.Client
 {
+    [AttributeUsage(AttributeTargets.Field)]
+    class DebugTunableAttribute : Attribute
+    {
+    }
     internal static class Shared
     {
         private static unsafe string GetBasePath()
diff --git a/Client/Scripts/Sync/Entities/Vehicle/SyncedVehicle.Variables.cs b/Client/Scripts/Sync/Entities/Vehicle/SyncedVehicle.Variables.cs
index aaf343c..b6903ae 100644
--- a/Client/Scripts/Sync/Entities/Vehicle/SyncedVehicle.Variables.cs
+++ b/Client/Scripts/Sync/Entities/Vehicle/SyncedVehicle.Variables.cs
@@ -57,7 +57,8 @@ namespace RageCoop.Client
         internal bool IsSubmarineCar;
         internal bool IsDeluxo;
         internal bool IsTrain;
-        private const float RotCalMult = 10f;
+        [DebugTunable]
+        static float RotCalMult = 10f;
 
         #endregion