January 1977's PRO Top Fuel Winter Nationals, at Beeline, was especially successful, featuring appearances by Ruth, Muldowney, and LaHaie, among others. Qualifying #6, Warren defeated #14 qualifier Beck in Round One, #2 qualifier Garlits in Round Two, and #4 qualifier Jeb Allen in the semi-final, before eliminating Bill Pryor (qualified #7) in the final. Ultimateracinghistory (retrieved 22 November 2018) Later that month, at Pomona, Warren qualified #7, defeating Rick Ramsey in Round One before losing to Ruth in Round Two. Ultimateracinghistory (retrieved 22 November 2018) At the Gatornationals, Warren qualified #4, and was beaten in Round One by #12 qualifier Grant Stoms. Ultimateracinghistory (retrieved 22 November 2018) The next weekend, at the International Hot Rod Association (IHRA) Winter Nationals, held at Darlington Dragway in Hartsville, South Carolina, Warren qualified #9; Paul Longenecker (qualified #5) would win the event. Ultimateracinghistory (retrieved 22 November 2018) At State Capitol Raceway (Port Allen, Louisiana) in June, Warren joined a Cajun Nationals field including Muldowney and Beck, qualifying #4; the event was won by Richard Tharp. Ultimateracinghistory (retrieved 22 November 2018) The next week, at National Trail Raceway, Warren failed to qualify for the Springnationals. Ultimateracinghistory (retrieved 22 November 2018) At Indianapolis in September, Warren eliminated Beck in Round One, only to be defeated in turn by Rance McDaniel in Round Three. Ultimateracinghistory (retrieved 22 November 2018) In his final NHRA event, the Fallnationals, Warren defeated "King" Ruth in Round One, only to lose to #10 qualifier (and eventual meet winner) Stan Shiroma in Round Two. Ultimateracinghistory (retrieved 22 November 2018)
