What is your dually?

I have one

bdydrped can verify it LOL or anyone from weatherford

Delock the gas tank is behind the chunk. 22 gal polished fuel cell.

Ok, i'm stupid today......what the hell is behind the chunk? LOL

Chunk is the center piece of the rearend. It housed the gears, is usually made of cast iron, and is commonly called the "chunk" or "center chunk"

Good explanation of the chunk.