Originally Posted by A20A1
Whustling could be from the brake booster hose at the rear of the manifold or the metal port at the rear since it basicly just sits in there with a little glue and might wiggle loose... if it's a fuel problem check the float valve... there is a small vavle bit that might have unscrewed itself and is now putting pressure on the needle indie the valve making it harder for the gas to get out and also messing/lowering with the float level by resricting the movement of the float.