IRL: Robby Unser replaces Ronnie Johncox at Texas

In order to continue the development work on the Riley & Scott chassis that was begun at the Indianapolis Motor Speedway, Robby Unser will replace Ronnie Johncox behind the wheel of the Jonathan Byrd - McCormack Motorsports / WorldBestBuy.com...

In order to continue the development work on the Riley & Scott chassis that was begun at the Indianapolis Motor Speedway, Robby Unser will replace Ronnie Johncox behind the wheel of the Jonathan Byrd - McCormack Motorsports / WorldBestBuy.com / Firestone Firehawk #30 for this weekend's Casino Magic 500 at Texas Motor Speedway.

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About this article
Series IndyCar
Drivers Ronnie Johncox , Robby Unser