I think it was 2 months and they left alot of things to last minute that they could have done 2 months earlier. (Wiring ecu and car, fixing body panels, installing fuel cell, planning it better, etc...) No offense but 4hrs should not be a big difference when you have had 2 months to build a car and at first you thought you only had 3 weeks. It was poor management of the build that lost that race not the engine or circumstances.