Two teams, including that of surprise racewinner Justin Wilson, were found guilty of infringing the IndyCar Series' technical regulations during post-race inspections at Texas Motor Speedway on Saturday night.

IndyCar revealed the subsequent penalties on Monday, although neither driver involved - Wilson and owner/driver Ed Carpenter - were removed from the results of the Firestone 550. Instead their respective teams were fined and docked entrant points.

Dale Coyne Racing was fined $7500 and docked five entrant points for not complying with the sidepod top deck aerodynamic element of Rule, which had been updated on 3 June to prohibit the use of the part as part of a downforce-reducing package.

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Ed Carpenter Racing, which finished twelfth, was fined $5000 and penalised one entrant point for not complying with Rule, which had been updated on 8 June, and stated that a rear wing wicker up to a maximum of 1/8 inch height and full span may be used.

The members may contest the penalties.

IndyCar's decision to simply impose fines and points penalties has not gone down well with everyone, with fans complaining that both Wilson and Carpenter should have been removed from the results, and others suggesting that Graham Rahal would not have hit the wall, costing him the lead, had Wilson not been running so quickly in the closing stages.

Even other competitors made their feelings known, with Wilson's fellow Briton, Mike Conway, tweeting his discontent before swiftly removing the post.