1983-1985 Ferrari 308 QV USA V8, 90deg 2926cc Bore & Stroke 81x71 (mm) Flat Crank 2 Cams per head (I&E) 4 Valve per cyl. Intake Valve 29mm Exhaust Valve 26mm Compression 8.6:1 Cam lift 8.375mm (I&E) IVO (BTDC) 16.0 IVC (ABDC) 48.0 EVO (BBDC) 50.0 EVC (ATDC) 14.0 I Duration 244 E Duration 244 Bosch K-Jetronic with Lambda (O2 sensor) Air injection (1983 Pump, 1984/1985 Pulse) 3 way single Cat