diff --git a/src/main/java/techreborn/events/BlockBreakHandler.java b/src/main/java/techreborn/events/BlockBreakHandler.java
index 818482e96..85ca2dd2c 100644
--- a/src/main/java/techreborn/events/BlockBreakHandler.java
+++ b/src/main/java/techreborn/events/BlockBreakHandler.java
@@ -92,10 +92,10 @@ public class BlockBreakHandler {
 
 	@SubscribeEvent
 	public void getBreakSpeedEvent(PlayerEvent.BreakSpeed event){
-		if(event.getEntityPlayer().getHeldItem(EnumHand.MAIN_HAND).getItem() == ModItems.ADVANCED_CHAINSAW){
+		if(event.getEntityPlayer().getHeldItem(EnumHand.MAIN_HAND).getItem() == ModItems.ADVANCED_CHAINSAW && event.getOriginalSpeed() > 1.0f){
 			BlockPos pos = event.getPos();
 			World worldIn = event.getEntityPlayer().world;
-			float speed = 2F;
+			float speed = 20F;
 			int blocks = 0;
 			for (int i = 1; i < 10; i++) {
 				BlockPos nextPos = pos.up(i);
@@ -104,7 +104,7 @@ public class BlockBreakHandler {
 					blocks ++;
 				}
 			}
-			event.setNewSpeed(speed * blocks);
+			event.setNewSpeed(speed / blocks);
 		}
 	}
 }
diff --git a/src/main/java/techreborn/items/tools/ItemAdvancedChainsaw.java b/src/main/java/techreborn/items/tools/ItemAdvancedChainsaw.java
index afa7b4aab..d8ce82866 100644
--- a/src/main/java/techreborn/items/tools/ItemAdvancedChainsaw.java
+++ b/src/main/java/techreborn/items/tools/ItemAdvancedChainsaw.java
@@ -50,10 +50,10 @@ public class ItemAdvancedChainsaw extends ItemChainsaw {
 
 	public ItemAdvancedChainsaw() {
 		super(ToolMaterial.DIAMOND, "techreborn.advancedChainsaw", ConfigTechReborn.AdvancedChainsawCharge,
-			4.0F);
+			1.0F);
 		this.cost = 250;
 	}
-
+	
 	@SideOnly(Side.CLIENT)
 	@Override
 	public void getSubItems(CreativeTabs par2CreativeTabs, NonNullList<ItemStack> itemList) {
@@ -81,11 +81,6 @@ public class ItemAdvancedChainsaw extends ItemChainsaw {
 		return super.onBlockDestroyed(stack, worldIn, blockIn, pos, entityLiving);
 	}
 
-	@Override
-	public float getDestroySpeed(ItemStack stack, IBlockState state) {
-		return super.getDestroySpeed(stack, state);
-	}
-
 	@Override
 	public boolean canHarvestBlock(IBlockState blockIn) {
 		return Items.DIAMOND_AXE.canHarvestBlock(blockIn);
diff --git a/src/main/java/techreborn/items/tools/ItemChainsaw.java b/src/main/java/techreborn/items/tools/ItemChainsaw.java
index 004be5ede..65348eef0 100644
--- a/src/main/java/techreborn/items/tools/ItemChainsaw.java
+++ b/src/main/java/techreborn/items/tools/ItemChainsaw.java
@@ -53,6 +53,7 @@ public class ItemChainsaw extends ItemAxe implements IEnergyItemInfo, IEnergyInt
 
 	public int maxCharge = 1;
 	public int cost = 250;
+	public float poweredSpeed = 20F;
 	public float unpoweredSpeed = 2.0F;
 	public double transferLimit = 100;
 	public boolean isBreaking = false;
@@ -60,12 +61,11 @@ public class ItemChainsaw extends ItemAxe implements IEnergyItemInfo, IEnergyInt
 	public ItemChainsaw(ToolMaterial material, String unlocalizedName, int energyCapacity,
 	                    float unpoweredSpeed) {
 		super(material);
-		efficiency = 20F;
 		setCreativeTab(TechRebornCreativeTab.instance);
 		setMaxStackSize(1);
 		setUnlocalizedName(unlocalizedName);
 		this.maxCharge = energyCapacity;
-		this.unpoweredSpeed = unpoweredSpeed;
+		this.efficiency = unpoweredSpeed;
 
 		this.addPropertyOverride(new ResourceLocation("techreborn:animated"), new IItemPropertyGetter() {
 			@Override
@@ -82,6 +82,16 @@ public class ItemChainsaw extends ItemAxe implements IEnergyItemInfo, IEnergyInt
 			}
 		});
 	}
+	
+	@Override
+	public float getDestroySpeed(ItemStack stack, IBlockState state) {
+		if (PoweredItem.canUseEnergy(cost, stack) && state.getBlock().isToolEffective("axe", state)) {
+			return this.poweredSpeed;
+		}
+		else {
+			return super.getDestroySpeed(stack, state);
+		}
+	}
 
 	@Override
 	public boolean onBlockDestroyed(ItemStack stack, World worldIn, IBlockState blockIn, BlockPos pos,
diff --git a/src/main/java/techreborn/items/tools/ItemDiamondChainsaw.java b/src/main/java/techreborn/items/tools/ItemDiamondChainsaw.java
index 15fc5b059..b0656d0f1 100644
--- a/src/main/java/techreborn/items/tools/ItemDiamondChainsaw.java
+++ b/src/main/java/techreborn/items/tools/ItemDiamondChainsaw.java
@@ -39,7 +39,7 @@ public class ItemDiamondChainsaw extends ItemChainsaw {
 
 	public ItemDiamondChainsaw() {
 		super(ToolMaterial.DIAMOND, "techreborn.diamondChainsaw", ConfigTechReborn.DiamondChainsawCharge,
-			2.5F);
+			1.0F);
 		this.cost = 250;
 	}
 
diff --git a/src/main/java/techreborn/items/tools/ItemSteelChainsaw.java b/src/main/java/techreborn/items/tools/ItemSteelChainsaw.java
index 5d47b4dab..4a39ad7c1 100644
--- a/src/main/java/techreborn/items/tools/ItemSteelChainsaw.java
+++ b/src/main/java/techreborn/items/tools/ItemSteelChainsaw.java
@@ -39,7 +39,7 @@ public class ItemSteelChainsaw extends ItemChainsaw {
 
 	public ItemSteelChainsaw() {
 		super(ToolMaterial.IRON, "techreborn.ironChainsaw", ConfigTechReborn.IronChainsawCharge,
-			2.0F);
+			0.5F);
 		this.cost = 50;
 	}