A name for a four-stroke (or four-cycle) engine, as is found in many cars. I need to get my four-banger tuned up one of these days.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. a four-cycle engine. (see also banger.) Your 4-banger shouldn’t be so loud. How’s the muffler?
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.