Riley Motorsports Dodge pushed all the way by Alex Job Racing Porsche.
Oliver Gavin becomes 12th GTLM pole winner in 12 races.
Ford EcoBoost powers hand to top of prototype charts on day 1
Rumors that privateers might field the team that Dodge built haven't come to pass.
Wittmer wins TUDOR Championship title in Dodge SRT Viper, but the program has been axed.
This 10-hour race will decide the various champions in the Tequila Patrón North American Endurance Cup.
The two-hour, 45-minute race on Sunday will showcase the GTLM and GT Daytona classes running in the lone standalone event this season.
TUDOR United SportsCar Championship set for Road America debut.