On lap 10 Michael Cullen started to make his move up the order, pushing past Gavan Kershaw's Aston Martin at Graham Hill Bend and then overtaking Guy Harrington's Lamborghini at the next corner to get on terms with Wilcox. The VRS Motor Finance
Ferrari held the CRS Ferrari at bay for three more laps but the inevitable happened at Graham Hill Bend and Cullen moved swiftly away in pursuit of Michael Bentwood's Aston Martin.
On lap 15 the pit window opened and unexpectedly the first car in was the CiM Ferrari of Allan Simonsen from the lead of the race. However it soon became apparent that this wasn't a scheduled stop as the engine covers came off the Ferrari and there was much scratching of heads from the team members. Simonsen's body language said it all as the team knew their race was run and as the only title contenders left the retirement had handed Jon Barnes and James Gornall the 2008 British GT title.
Out on track Barnes was now in the lead ahead of Aaron Scott and Michael Bentwood and on lap 18 Barnes came into the pits to hand over to James Gornall. Confusion reigned as cars came into the pits to complete their mandatory stops. Ben de Zille Butler, now at the wheel of the #11 Team Modena Lamborghini spun at Druids on his out lap, parking the Lamborghini in the middle of track before he was able to turn the engine over and rejoin the race. Disaster also struck the ABG Motorsport Viper as Aaron Scott brought the car in with smoke pouring from the car, a front left tyre had punctured and the mechanics were forced to pick bits of shredded tyre from the bodywork of the Viper as Scott handed over to Craig Wilkins.
Cadena Motorsports day took a turn for the worse when Gavan Kershaw went straight on at Sheene Curve, the Aston Martin ending up beached in the gravel forcing the Safety Car out onto the track. James Gornall led the remaining cars behind the safety car with Andy Jenkinson followed by Paddy Shovlin, Michael Meadows and Nick Foster rounding out the top five cars. Matt Nicol-Jones led the GT4 class ahead of Richard Evans in the #52 RPM Ginetta.