diff --git a/api.lua b/api.lua
index 78a8e23..8adfae7 100644
--- a/api.lua
+++ b/api.lua
@@ -25,7 +25,7 @@ local use_cmi = minetest.global_exists("cmi")
 
 mobs = {
 	mod = "redo",
-	version = "20230518",
+	version = "20230519",
 	intllib = S,
 	invis = minetest.global_exists("invisibility") and invisibility or {}
 }
@@ -86,6 +86,10 @@ local mob_smooth_rotate = settings:get_bool("mob_smooth_rotate") ~= false
 local mob_height_fix = settings:get_bool("mob_height_fix") ~= false
 local active_mobs = 0
 
+-- get loop timers for node and main functions
+local node_timer_interval = tonumber(settings:get("mob_node_timer_interval") or 0.25)
+local main_timer_interval = tonumber(settings:get("mob_main_timer_interval") or 1.0)
+
 -- pathfinding settings
 local pathfinding_enable = settings:get_bool("mob_pathfinding_enable") or true
 -- Use pathfinder mod if available
@@ -3381,7 +3385,7 @@ function mob_class:on_step(dtime, moveresult)
 	self.node_timer = (self.node_timer or 0) + dtime
 
 	-- get nodes every 1/4 second
-	if self.node_timer > 0.25 then
+	if self.node_timer > node_timer_interval then
 
 		-- get nodes above, below, in front and front-above
 		self:get_nodes()
@@ -3402,7 +3406,7 @@ function mob_class:on_step(dtime, moveresult)
 		end
 
 		-- has mob expired (0.25 instead of dtime since were in a timer)
-		self:mob_expire(pos, 0.25)
+		self:mob_expire(pos, node_timer_interval)
 
 		-- check if mob can jump or is blocked facing fence/gate etc.
 		self:do_jump()
@@ -3498,7 +3502,7 @@ function mob_class:on_step(dtime, moveresult)
 	-- one second timed calls
 	self.timer1 = (self.timer1 or 0) + dtime
 
-	if self.timer1 >= 1 then
+	if self.timer1 >= main_timer_interval then
 
 		-- mob plays random sound at times
 		if random(100) == 1 then
@@ -3513,7 +3517,7 @@ function mob_class:on_step(dtime, moveresult)
 
 		-- when not attacking call do_states every second (return if dead)
 		if self.state ~= "attack" then
-			if self:do_states(dtime) then return end
+			if self:do_states(main_timer_interval) then return end
 		end
 
 		self:do_runaway_from(self)
diff --git a/api.txt b/api.txt
index dd9ebcd..45d8cde 100644
--- a/api.txt
+++ b/api.txt
@@ -744,6 +744,10 @@ the tools own meta to override the default.
 External Settings for "minetest.conf"
 ------------------------------------
 
+   'mob_node_timer_interval' How often mobs get nodes around them (0.25 is default)
+                             for every 1/4 second.
+   'mob_main_timer_interval' How often mobs run main functions (1.0 is default) for
+                             every one second.
    'enable_damage'          if true monsters will attack players (default is true)
    'only_peaceful_mobs'     if true only animals will spawn in game (default is
                             false)
diff --git a/settingtypes.txt b/settingtypes.txt
index f3b36ed..f351c16 100644
--- a/settingtypes.txt
+++ b/settingtypes.txt
@@ -1,3 +1,9 @@
+#    How often mobs get nodes around them (default is 0.25, 1/4 second)
+mob_node_timer_interval (Mob Node Timer Interval) float 0.25
+
+#    How often mobs run main functions (default is 1.00, 1 second)
+mob_main_timer_interval (Mob Node Timer Interval) float 1.00
+
 #    If false then mobs no longer spawn in world without spawner or spawn egg
 mobs_spawn (Spawn Mobs) bool true