Post your favorite Mopar Myth.

I have better as a rookie parts guy,'97... A customer walks in,waving a Champion spark plug at me. (O.K....).
Customer states" You told me,I own a 8 spark plug V8 440,I only found seven!" .My response"Yes ,all 440's are all eight cylinders..". I had him pull the doghouse,and I pointed . Geez....
All 440's are seven cylinders.....