In May, during the buildup to the Indianapolis 500, Hulman & Co. CEO Mark Miles said he wanted to drivers to chase Arie Luyendyk's record for fastest qualifying lap at Indy, 237.498 mph. That mark was set in 1996. The next year, the engine specs were changed to slow down the cars and nobody has come close since.
The decision to go with twin turbos could make it more possible.
"What it will do is make the engines more similar in how the turbos are making power," Berube said. "It will be ultimately be the spirit of competition that will inspire competitors to push for more power."
A third engine manufacturer, Lotus, used a twin turbocharger last season but did not return this year after dismal results in 2012.