The matter went to court in December with no reported outcome -- .
Today the series stalwart announces a shift back to Commodores after GRM has completed two new chassis , which will be powered by Walkinshaw Racing - built engines .
The matter went to court in December with no reported outcome -- but today the series stalwart announces a shift back to Commodores after GRM has completed two new chassis , which will be powered by Walkinshaw Racing - built engines .