building a street race car, like in "The Fast and The Furious"
wow nice car!!! who put in the wrench time???
by blthrskt March 19, 2006
The amount of time spent working on a mechanical project either repairing or assembling from the ground up. In most cases, it refers to a project in the automotive industry.
"I didn't put in 100+ hours of wrench time on my ride just so I could lose it on a TV show as gay as Pinks."
by forkweaver June 05, 2006