diff --git a/Arcade_MiST/Midway MCR Scroll/SpyHunter_MiST/rtl/spy_hunter_control.vhd b/Arcade_MiST/Midway MCR Scroll/SpyHunter_MiST/rtl/spy_hunter_control.vhd
index 7ca5b826..a42f8648 100644
--- a/Arcade_MiST/Midway MCR Scroll/SpyHunter_MiST/rtl/spy_hunter_control.vhd	
+++ b/Arcade_MiST/Midway MCR Scroll/SpyHunter_MiST/rtl/spy_hunter_control.vhd	
@@ -99,7 +99,8 @@ begin
 						gas_timer <= (others => '0');
 				else
 					if vsync_r ='0' and vsync = '1' then 
-						if (gas_timer >= 5 and (gas_minus_r = '1' or gas_plus_r = '1')) then --tune inc/dec rate
+						if (gas_timer >= 5 and gas_plus_r = '1') or
+						   (gas_timer >= 3 and gas_minus_r = '1') then --tune inc/dec rate
 							gas_timer <= (others => '0');
 						else
 							gas_timer <= gas_timer + 1;
diff --git a/Arcade_MiST/Midway-Taito 8080 Hardware/280ZZZAP_MiST/rtl/spy_hunter_control.vhd b/Arcade_MiST/Midway-Taito 8080 Hardware/280ZZZAP_MiST/rtl/spy_hunter_control.vhd
index 7ca5b826..a42f8648 100644
--- a/Arcade_MiST/Midway-Taito 8080 Hardware/280ZZZAP_MiST/rtl/spy_hunter_control.vhd	
+++ b/Arcade_MiST/Midway-Taito 8080 Hardware/280ZZZAP_MiST/rtl/spy_hunter_control.vhd	
@@ -99,7 +99,8 @@ begin
 						gas_timer <= (others => '0');
 				else
 					if vsync_r ='0' and vsync = '1' then 
-						if (gas_timer >= 5 and (gas_minus_r = '1' or gas_plus_r = '1')) then --tune inc/dec rate
+						if (gas_timer >= 5 and gas_plus_r = '1') or
+						   (gas_timer >= 3 and gas_minus_r = '1') then --tune inc/dec rate
 							gas_timer <= (others => '0');
 						else
 							gas_timer <= gas_timer + 1;