bucket of bolts vs tin Lizzie

bucket of bolts

noun
  • A piece of machinery that is not worth more than its scrap value, often an old car. 

tin Lizzie

noun
  • A small, unpretentious, vintage automobile, especially one that is in run-down condition. 

How often have the words bucket of bolts and tin Lizzie occurred in a corpus of books? (source: Google Ngram Viewer )