HRG 1930-1959
	1100 (1951-52) Engine Bore & Stroke 60mm x 95mm Displacement 1074cc Firing order 1,3,4,2 Oil pressure (hot) 30 lb./sq. in. at 30 mph Fuel Supply Carburetor SU Needle M7 Valving Intake tappet clearance 0.004" (hot) Exhaust tappet clearance 0.006" (hot) Valve-timing indication Valve cover Intake valve opens 15° BTDC Ignition Breaker gap 0.012" - 0.015" Plug gap Coil: 0.022"; Mag: 0.018" Ignition timing indication Valve cover Ignition timing TDC Fully Retarded Clutch Clutch type Borg & Beck Single Plate Clutch linings Raybestos Brakes Brake type HRG Cable Operated Brake linings Ferodo MZ Wheel Alignment Toe-In 1⁄8" (17" Rims); 1⁄16" (16" Rims) Camber 2½° Caster angle 4°-5° (17" Rims); 5°-7° (16" Rims) King pin angle 8½° 1500 (1951-52) Engine Bore & Stroke 68mm x 103mm Displacement 1496cc Firing order 1,3,4,2 Oil pressure (hot) 30 lb./sq. in. at 30 mph Fuel Supply Carburetor SU Needle E8 Valving Intake tappet clearance 0.004" (hot) Exhaust tappet clearance 0.006" (hot) Valve-timing indication Valve cover Intake valve opens 5° BTDC Ignition Breaker gap 0.012" - 0.015" Plug gap Coil: 0.022"; Mag: 0.018" Ignition timing indication Valve cover Ignition timing TDC Fully Retarded Clutch Clutch type Borg & Beck Single Plate Clutch linings Raybestos Brakes Brake type HRG Cable Operated Brake linings Ferodo MZ Wheel Alignment Toe-In 1⁄8" (17" Rims); 1⁄16" (16" Rims) Camber 2½° Caster angle 4°-5° (17" Rims); 5°-7° (16" Rims) King pin angle 8½° 1500 (1953-54) Engine Bore & Stroke 73mm x 89.4mm Displacement 1497cc Firing order 1,3,4,2 Oil pressure (hot) 30 lb./sq. in. at 30 mph Fuel Supply Carburetor SU (two) Needle E8 Valving Intake tappet clearance 0.004" (hot) Exhaust tappet clearance 0.006" (hot) Valve-timing indication Valve cover Intake valve opens 10° BTDC Ignition Breaker gap 0.012" Plug gap 0.025" Ignition timing indication - Ignition timing 4° - 5° BTDC Clutch Clutch type Borg & Beck Single Plate 8" Clutch linings Raybestos Brakes Brake type HRG Cable Operated (Girling Hyd. optional) Brake linings - Wheel Alignment Toe-In 3⁄32" Camber 2½° Caster angle 5°-7° King pin angle 8½°