| Competition Page | 1962 PCS Book |
Manufacturer: Alfa Romeo Class: C Model: Guilietta Sprint Speciale and Sprint Zagato ------------------------------------------------------------------------------ DESCRIPTION: 2-Seater Coupe Dry Weight: 1892 lbs Speciale, 1710 lbs Zagato ------------------------------------------------------------------------------ ENGINE: Type .............. DOHC 4 cyl in line Bore & stroke ..... 74mm x 75mm Capacity .......... 1290 cc Comp ratio ........ 10:1 Head material ..... Aluminum Alloy Port size ......... Intake: 32mm, Exhaust 29mm Piston material ... Aluminum Alloy Piston weight ..... 0.35 kg Timing data: Intake .... Open 46° BTDC, Close 65° ABDC Exhaust ... Open 65° BBDC, Close 34° ATDC Valve lift: ....... 8.5mm Valve head dia: Intake .... 37mm Exhaust ... 34mm Valve spring ...... 35 kg Carburation ....... Two Weber 40 DCOE ----------------------------------------------------------------------------- TRANSMISSION AND DRIVE TRAIN: Ratios: 1 3.258 2 1.985 3 1.357 4 1.0 5 0.854 Final drive ratios: 41/10, 41/9, 41/8 ------------------------------------------------------------------------------ CHASSIS Wheelbase ................... 89" Track dimension, front ...... 51" Track dimension, rear ....... 50" Shock absorber .............. Telescopic Steering ratio .............. Brakes ...................... Finned Aluminum Drums Tire size ................... 155 x 15 ------------------------------------------------------------------------------ APPROVED OPTIONAL EQUIPMENT Crankshaft (1315-14701) Connecting Rods (1315-16710) Cylinder Block (10120-01-010-03) Cylinder Head (1315-12715) Flywheel (1315-23705M) Limited-slip differential (1365-32775)