diff --git a/vehicles/beetlecar.tscn b/vehicles/beetlecar.tscn
index e2075bd..7ed4d89 100644
--- a/vehicles/beetlecar.tscn
+++ b/vehicles/beetlecar.tscn
@@ -19,8 +19,8 @@ buffer_length = 1.0
 [node name="beetlecar" instance=ExtResource( 2 )]
 mass = 140.0
 script = ExtResource( 1 )
-gear_ratios = [ 2.24, 2.0, 1.89, 1.67, 1.44, 1.23 ]
-final_drive = 5.6
+gear_ratios = [ 2.95, 2.2, 1.76, 1.43, 1.25, 1.0 ]
+final_drive = 5.0
 max_rpm = 8000.0
 power_curve = SubResource( 3 )
 sound_curve = SubResource( 4 )
diff --git a/vehicles/buggy.gd b/vehicles/buggy.gd
index 22e31c4..ce6825a 100644
--- a/vehicles/buggy.gd
+++ b/vehicles/buggy.gd
@@ -145,6 +145,6 @@ func _generate_engine_sound(rpm_factor):
 	var fill_percent = 0.0
 	while to_fill > 0:
 		engine_sound_playback.push_frame(Vector2(1.0, 1.0) * factor)
-		factor += cos(factor) * sin(factor) * (1 + to_fill % 2) * (sound_curve.interpolate_baked(fill_percent) * 2 - 0.5)
+		factor += cos(factor) * sin(factor) * (1 + to_fill % 2) * ((sound_curve.interpolate_baked(fill_percent) - 0.5) * 2)
 		to_fill -= 1
 		fill_percent += fill_segment