diff --git a/Extras/GIMPACT/include/GIMPACT/core/gim_memory.h b/Extras/GIMPACT/include/GIMPACT/core/gim_memory.h
index 8e654bdcf..d00191c55 100755
--- a/Extras/GIMPACT/include/GIMPACT/core/gim_memory.h
+++ b/Extras/GIMPACT/include/GIMPACT/core/gim_memory.h
@@ -151,6 +151,8 @@ void gim_free(void *ptr);
 inline void gim_simd_memcpy(void * dst, const void * src, size_t copysize)
 {
 #ifdef GIM_SIMD_MEMORY
+/*
+//'long long int' is incompatible with visual studio 6...
     //copy words
     SIMD_T * ui_src_ptr = (SIMD_T *)src;
     SIMD_T * ui_dst_ptr = (SIMD_T *)dst;
@@ -160,9 +162,10 @@ inline void gim_simd_memcpy(void * dst, const void * src, size_t copysize)
         copysize-=SIMD_T_SIZE;
     }
     if(copysize==0) return;
+*/
 
-    char * c_src_ptr = (char *)ui_src_ptr;
-    char * c_dst_ptr = (char *)ui_dst_ptr;
+    char * c_src_ptr = (char *)src;
+    char * c_dst_ptr = (char *)dst;
     while(copysize>0)
     {
         *(c_dst_ptr++) = *(c_src_ptr++);
diff --git a/Extras/GIMPACT/include/GIMPACT/core/gim_tri_collision.h b/Extras/GIMPACT/include/GIMPACT/core/gim_tri_collision.h
index dba6f742c..6bdc333d4 100755
--- a/Extras/GIMPACT/include/GIMPACT/core/gim_tri_collision.h
+++ b/Extras/GIMPACT/include/GIMPACT/core/gim_tri_collision.h
@@ -86,7 +86,9 @@ struct GIM_TRIANGLE_CONTACT_DATA
 
 		GUINT point_indices[MAX_TRI_CLIPPING];
 
-		for(GUINT _k=0;_k<point_count;_k++)
+		GUINT _k;
+
+		for(_k=0;_k<point_count;_k++)
 		{
 			GREAL _dist = -distance_func(plane,points[_k]) + margin;
 
@@ -106,7 +108,7 @@ struct GIM_TRIANGLE_CONTACT_DATA
 			}
 		}
 
-		for(GUINT _k=0;_k<m_point_count;_k++)
+		for( _k=0;_k<m_point_count;_k++)
 		{
 			m_points[_k] = points[point_indices[_k]];
 		}
diff --git a/Extras/GIMPACT/src/Bullet/btContactProcessing.cpp b/Extras/GIMPACT/src/Bullet/btContactProcessing.cpp
index a2de2ae0a..bdd96f033 100644
--- a/Extras/GIMPACT/src/Bullet/btContactProcessing.cpp
+++ b/Extras/GIMPACT/src/Bullet/btContactProcessing.cpp
@@ -70,6 +70,7 @@ void btContactArray::merge_contacts(
 {
 	clear();
 
+	int i;
 	if(contacts.size()==0) return;
 
 
@@ -85,7 +86,7 @@ void btContactArray::merge_contacts(
 
 	//fill key contacts
 
-	for (int i = 0;i<contacts.size() ;i++ )
+	for ( i = 0;i<contacts.size() ;i++ )
 	{
 		keycontacts.push_back(CONTACT_KEY_TOKEN(contacts[i].calc_key_contact(),i));
 	}
@@ -104,7 +105,7 @@ void btContactArray::merge_contacts(
 
 	BT_CONTACT * pcontact = &(*this)[0];
 
-	for(int i=1;i<keycontacts.size();i++)
+	for( i=1;i<keycontacts.size();i++)
 	{
 	    key = keycontacts[i].m_key;
 		const BT_CONTACT * scontact = &contacts[keycontacts[i].m_value];
diff --git a/Extras/GIMPACT/src/Bullet/btGImpactCollisionAlgorithm.cpp b/Extras/GIMPACT/src/Bullet/btGImpactCollisionAlgorithm.cpp
index d1a3aead7..becb892b2 100755
--- a/Extras/GIMPACT/src/Bullet/btGImpactCollisionAlgorithm.cpp
+++ b/Extras/GIMPACT/src/Bullet/btGImpactCollisionAlgorithm.cpp
@@ -865,12 +865,14 @@ btGImpactCollisionAlgorithm::CreateFunc g_gimpact_cf;
 void btGImpactCollisionAlgorithm::registerAlgorithm(btCollisionDispatcher * dispatcher)
 {
 
-	for (int i = 0;i < MAX_BROADPHASE_COLLISION_TYPES ;i++ )
+	int i;
+
+	for ( i = 0;i < MAX_BROADPHASE_COLLISION_TYPES ;i++ )
 	{
 		dispatcher->registerCollisionCreateFunc(GIMPACT_SHAPE_PROXYTYPE,i ,&g_gimpact_cf);
 	}
 
-	for (int i = 0;i < MAX_BROADPHASE_COLLISION_TYPES ;i++ )
+	for ( i = 0;i < MAX_BROADPHASE_COLLISION_TYPES ;i++ )
 	{
 		dispatcher->registerCollisionCreateFunc(i,GIMPACT_SHAPE_PROXYTYPE ,&g_gimpact_cf);
 	}
diff --git a/Extras/GIMPACT/src/Bullet/btTriangleShapeEx.cpp b/Extras/GIMPACT/src/Bullet/btTriangleShapeEx.cpp
index 58f38b6bf..7be6bee75 100644
--- a/Extras/GIMPACT/src/Bullet/btTriangleShapeEx.cpp
+++ b/Extras/GIMPACT/src/Bullet/btTriangleShapeEx.cpp
@@ -33,7 +33,9 @@ void BT_TRIANGLE_CONTACT::merge_points(const btVector4 & plane,
 
     int point_indices[MAX_TRI_CLIPPING];
 
-    for (int _k=0;_k<point_count;_k++)
+	int _k;
+
+    for ( _k=0;_k<point_count;_k++)
     {
         btScalar _dist = - bt_distance_point_plane(plane,points[_k]) + margin;
 
@@ -53,7 +55,7 @@ void BT_TRIANGLE_CONTACT::merge_points(const btVector4 & plane,
         }
     }
 
-    for (int _k=0;_k<m_point_count;_k++)
+    for ( _k=0;_k<m_point_count;_k++)
     {
         m_points[_k] = points[point_indices[_k]];
     }
diff --git a/Extras/GIMPACT/src/core/gim_contact.cpp b/Extras/GIMPACT/src/core/gim_contact.cpp
index cd030c2b9..e613d6264 100755
--- a/Extras/GIMPACT/src/core/gim_contact.cpp
+++ b/Extras/GIMPACT/src/core/gim_contact.cpp
@@ -48,7 +48,9 @@ void gim_contact_array::merge_contacts(
 
 	//fill key contacts
 
-	for (GUINT i = 0;i<contacts.size() ;i++ )
+	GUINT i;
+
+	for (i = 0;i<contacts.size() ;i++ )
 	{
 		keycontacts[i].m_key = contacts[i].calc_key_contact();
 		keycontacts[i].m_value = i;
@@ -68,7 +70,9 @@ void gim_contact_array::merge_contacts(
 	push_back(contacts[keycontacts[0].m_value]);
 	GIM_CONTACT * pcontact = &back();
 
-	for(GUINT i=1;i<keycontacts.size();i++)
+
+
+	for( i=1;i<keycontacts.size();i++)
 	{
 	    key = keycontacts[i].m_key;
 		const GIM_CONTACT * scontact = &contacts[keycontacts[i].m_value];