Looking for some help. Does anyone know the correct part number and color for the 68 ss427 oil dipstick? My car has the red tip handle part # 3981088. When I check the oil level it three inches past the full mark. Changed the oil and filter with 5 quarts of oil same thing. I thought oil capacity was 6 quarts with filter change. I believe the engine has the wrong dipstick. Thanks in advance for any assistance.