Year: 1972 / 1973 / 1975 (the last year of pushrod engines)
Location: Indy 500
Mechanic: Smokey Yunick
Engine: SBC 3.875 bore x 2.2 stroke
Induction: Twin Turbo
HP: 1,000 at 6,800RPM - 1,300 at 9,600 RPM
Quote from Smokey: "more mid range torque than I care to talk about"