diff --git a/kubejs/server_scripts/gregtech/recipes.js b/kubejs/server_scripts/gregtech/recipes.js
index 2611fa65a..b88bdd62b 100644
--- a/kubejs/server_scripts/gregtech/recipes.js
+++ b/kubejs/server_scripts/gregtech/recipes.js
@@ -1056,6 +1056,25 @@ const registerGTCEURecipes = (event) => {
 
 	//#endregion 
 
+    //#region Large boilers fuel rebalance
+
+    // Balance is based on adjusting to match singeblock boiler efficiency
+    // High Pressure Steam Solid Boiler produces 288,000 mB steam/coke
+    // High Pressure Steam Liquid Boiler produces 432 mB steam/creosote
+    // By Defualt: Large Bronze Boiler produces 50mB steam/creosote, 32000mB steam/coke
+    // This is a factor of 9x for solids, 8.64x for liquids
+    // Large boiler fuel burn time is multiplied by 9, resulting in less fuel used over time for the same amount of steam produced per tick
+
+    event.findRecipes({ id: /^gtceu:large_boiler\/.*/, type: "gtceu:large_boiler" }).forEach(large_boiler_recipe => {
+
+        let recipe_duration = large_boiler_recipe.json.getAsJsonPrimitive("duration").asInt
+
+        large_boiler_recipe.json.remove("duration")
+        large_boiler_recipe.json.add("duration", recipe_duration * 9)
+	})
+
+	//#endregion
+
 	// TODO: Greate again...
 	event.shapeless('gtceu:programmed_circuit', ['minecraft:stick', '#forge:tools/wrenches'])
 		.id('tfg:shapeless/programmed_circuit_from_stick')