But with the possible addition of a turbocharger for the rotary engine, a potential output of more than 400 hp means that those roadster underpinnings wouldn't cut it. (automobilemag.com)
The addition of a turbocharger the following year allowed them to win however, and the following year won it again with the brutal 1500hp 917/30. (wtf1.com)
It might be endowed with a significantly smaller 2 - litre four - cylinder engine, but the addition of a turbocharger (the first for a VTEC unit) ensures peak output is just 74bhp down on the 380bhp GT4. (evo.co.uk)