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SPECS : Free style, 1/4 scale, chevy V8 250 cc , Weight 17 Kg , Cylinder head length 200 mm No rotational weight added to aid idle quality Bore, Conrod length and Stroke based on chevy 308 Fully water cooled cylinder heads and piston sleeves Scaled down starter motor with bendix and solenoid Scaled down clutch assembly and flywheel Oil pan (Sump) manufactured using 1mm sheet steel Engine block machined from billet aluminum Bore 36.5mm Stroke 30mm ( EN9 billet Crank shaft, Internal balanced) 270 degree sport camshafts 8.6 : 1 compression ratio Idle RPM ~980 Max RPM 6000 20W 50 motor oil (Crank , Rods and Cams 4 bar pressure fed ) 95 octane unleaded fuel Modified diaphragm carburetor ( To achieve Holly look alike) Optical triggered Electronic ignition 3D printed plastic distributer cap All parts manually machined, no CNC used.