diff --git a/Src/Graphics/New3D/New3D.cpp b/Src/Graphics/New3D/New3D.cpp
index ee5bb6a..9b9b640 100644
--- a/Src/Graphics/New3D/New3D.cpp
+++ b/Src/Graphics/New3D/New3D.cpp
@@ -12,9 +12,10 @@
 
 namespace New3D {
 
-CNew3D::CNew3D(const Util::Config::Node &config)
+CNew3D::CNew3D(const Util::Config::Node &config, std::string gameName)
   : m_r3dShader(config),
-    m_r3dScrollFog(config)
+    m_r3dScrollFog(config),
+	m_gameName(gameName)
 {
 	m_cullingRAMLo	= nullptr;
 	m_cullingRAMHi	= nullptr;
@@ -781,8 +782,16 @@ void CNew3D::RenderViewport(UINT32 addr)
 		vp->lightingParams[3] = std::max(0.f, std::min(*(float *)&vpnode[0x07], 1.0f));	// sun intensity (clamp to 0-1)
 		vp->lightingParams[4] = (float)((vpnode[0x24] >> 8) & 0xFF) * (1.0f / 255.0f);	// ambient intensity
 		vp->lightingParams[5] = 0.0;	// reserved
+		
+		// this is a hack because we haven't yet found in memory where these are set
+		// these two games use a slightly different light model to the test of the games
+		if (m_gameName == "lamachin" || m_gameName == "dayto2pe") {
+			vp->sunClamp = false;
+		}
+		else {
+			vp->sunClamp = true;
+		}
 
-		vp->sunClamp		= 1;					// TODO work out how this is passed, doesn't appear to be in the viewport .. or in the model data
 		vp->intensityClamp	= (m_step == 0x10);		// just step 1.0 ?
 		vp->hardwareStep	= m_step;
 		
diff --git a/Src/Graphics/New3D/New3D.h b/Src/Graphics/New3D/New3D.h
index 81983d0..bb9cb14 100644
--- a/Src/Graphics/New3D/New3D.h
+++ b/Src/Graphics/New3D/New3D.h
@@ -150,7 +150,7 @@ public:
 	* Parameters:
 	*   config  Run-time configuration.
 	*/
-	CNew3D(const Util::Config::Node &config);
+	CNew3D(const Util::Config::Node &config, std::string gameName);
 	~CNew3D(void);
 
 private:
@@ -191,6 +191,9 @@ private:
 	* Data
 	*/
 
+	// Misc
+	std::string m_gameName;
+
 	// Stepping
 	int		m_step;
 	int		m_offset;			// offset to subtract for words 3 and higher of culling nodes
diff --git a/Src/Graphics/New3D/R3DShader.cpp b/Src/Graphics/New3D/R3DShader.cpp
index 177fb4c..d469e40 100644
--- a/Src/Graphics/New3D/R3DShader.cpp
+++ b/Src/Graphics/New3D/R3DShader.cpp
@@ -16,6 +16,7 @@ uniform int		hardwareStep;
 uniform vec3	lighting[2];		// also used in fragment shader
 uniform bool	lightEnabled;		// also used in fragment shader
 uniform bool	fixedShading;		// also used in fragment shader
+uniform bool	sunClamp;			// also used in fragment shader
 
 // attributes
 attribute vec3	inVertex;
@@ -36,16 +37,17 @@ vec4 GetVertexColour()
 	vec4 polyColour = inColour;
 
 	if(fixedShading) {
-		if(hardwareStep==0x15) {
-			if(lightEnabled) {
-				polyColour.rgb *= (inFixedShade + lighting[1].y);	// per vertex brightness + ambient
-			}
-			else {
-				polyColour.rgb += lighting[1].y;					// this is similar to above but basically a flat shaded version. So poly colour + ambient
-			}
+
+		float lightAmbient = lighting[1].y;
+		if(!sunClamp) {
+			lightAmbient = 0;	// guess work here. La machine guns is the only game to use this light model. Black is black in this game, it's not effected by ambient
+		}
+
+		if(lightEnabled) {
+			polyColour.rgb *= (inFixedShade + lightAmbient);	// per vertex brightness + ambient
 		}
 		else {
-			polyColour.rgb *= inFixedShade;		//todo work out what ambient does. Probably a min clamp or 1-min clamp for signed values
+			polyColour.rgb += lightAmbient;						// this is similar to above but basically a flat shaded version. So poly colour + ambient
 		}
 	}
 
diff --git a/Src/OSD/SDL/Main.cpp b/Src/OSD/SDL/Main.cpp
index d93517c..feccc43 100644
--- a/Src/OSD/SDL/Main.cpp
+++ b/Src/OSD/SDL/Main.cpp
@@ -829,7 +829,7 @@ int Supermodel(const Game &game, ROMSet *rom_set, IEmulator *Model3, CInputs *In
   
   // Initialize the renderers
   CRender2D *Render2D = new CRender2D(s_runtime_config);
-  IRender3D *Render3D = s_runtime_config["New3DEngine"].ValueAs<bool>() ? ((IRender3D *) new New3D::CNew3D(s_runtime_config)) : ((IRender3D *) new Legacy3D::CLegacy3D(s_runtime_config));
+  IRender3D *Render3D = s_runtime_config["New3DEngine"].ValueAs<bool>() ? ((IRender3D *) new New3D::CNew3D(s_runtime_config, Model3->GetGame().name)) : ((IRender3D *) new Legacy3D::CLegacy3D(s_runtime_config));
   if (OKAY != Render2D->Init(xOffset, yOffset, xRes, yRes, totalXRes, totalYRes))
     goto QuitError;
   if (OKAY != Render3D->Init(xOffset, yOffset, xRes, yRes, totalXRes, totalYRes))
@@ -971,7 +971,7 @@ int Supermodel(const Game &game, ROMSet *rom_set, IEmulator *Model3, CInputs *In
 
       // Recreate renderers and attach to the emulator
       Render2D = new CRender2D(s_runtime_config);
-      Render3D = s_runtime_config["New3DEngine"].ValueAs<bool>() ? ((IRender3D *) new New3D::CNew3D(s_runtime_config)) : ((IRender3D *) new Legacy3D::CLegacy3D(s_runtime_config));
+	  Render3D = s_runtime_config["New3DEngine"].ValueAs<bool>() ? ((IRender3D *) new New3D::CNew3D(s_runtime_config, Model3->GetGame().name)) : ((IRender3D *) new Legacy3D::CLegacy3D(s_runtime_config));
       if (OKAY != Render2D->Init(xOffset, yOffset, xRes, yRes, totalXRes, totalYRes))
         goto QuitError;
       if (OKAY != Render3D->Init(xOffset, yOffset, xRes, yRes, totalXRes, totalYRes))