BRISTOL 1930-1959
	401/85C (1951) Engine Bore & Stroke 66mm x 96mm Displacement 1971cc Firing order 1,5,3,6,2,4 Oil pressure (hot) 60 lb./sq. in. at 3000 rpm Fuel Supply Carburetor 3 Solex 32BI Choke 24 Main jet 110 Compensating 20 GA jet 2 GS jet 95 Slow running 50 Valving Intake tappet clearance 0.010" - 0.012" (hot) Exhaust tappet clearance 0.010" - 0.012" (hot) Valve-timing indication Sprockets Intake valve opens TDC at 0.027" clearance Ignition Breaker gap 0.010" - 0.012" Plug gap 0.018" Ignition timing indication - Ignition timing TDC (fully retarded) Clutch Clutch type Borg & Beck Single Dry Plate Clutch linings Ferodo or Raybestos Brakes Brake type Lockheed 2LS Hyd. Front Brake linings Mintex 232K2 Wheel Alignment Toe-In 0" to 0.1" Camber ¼° to 1¼° Caster angle 2° to 2¾° King pin angle 4¾° to 5¾° 403/100A (1953-55) Engine Bore & Stroke 66mm x 96mm Displacement 1971cc Firing order 1,5,3,6,2,4 Oil pressure (hot) 60 lb./sq. in. at 3000 rpm Fuel Supply Carburetor 3 Solex 32BI Choke 26 (#1); 26 (#2); 26 (#3) Main jet 115 (#1); 120 (#2); 115 (#3) Compensating 190 (#1); 190 (#2); 190 (#3) GA jet 2 GS jet 95 Slow running 45 (#1); 45 (#2); 45 (#3) Valving Intake tappet clearance 0.010" - 0.012" (hot) Exhaust tappet clearance 0.010" - 0.012" (hot) Valve-timing indication Sprockets Intake valve opens TDC at 0.044" clearance Ignition Breaker gap 0.014" - 0.016" Plug gap 0.018" Ignition timing indication - Ignition timing 5° BTDC Clutch Clutch type Borg & Beck Single Plate Clutch linings Ferodo RYZ or Raybestos WR9 Brakes Brake type Lockheed 2LS Brake linings Mintex 232K2 Wheel Alignment Toe-In 0" to 0.1" Camber 0° to 1° Caster angle 1½° to 2½° King pin angle 5° to 6° 404/100B & 405 (1953-55) Engine Bore & Stroke 66mm x 96mm Displacement 1971cc Firing order 1,5,3,6,2,4 Oil pressure (hot) 60 lb./sq. in. at 3000 rpm Fuel Supply Carburetor 3 Solex 32BI Choke 26 (#1); 26 (#2); 26 (#3) Main jet 115 (#1); 120 (#2); 115 (#3) Compensating 190 (#1); 190 (#2); 190 (#3) GA jet 2 GS jet 95 Slow running 45 (#1); 45 (#2); 45 (#3) Valving Intake tappet clearance 0.010" - 0.012" (hot) Exhaust tappet clearance 0.010" - 0.012" (hot) Valve-timing indication Sprockets Intake valve opens TDC at 0.044" clearance Ignition Breaker gap 0.014" - 0.016" Plug gap 0.018" Ignition timing indication - Ignition timing 5° BTDC Clutch Clutch type Borg & Beck Single Plate Clutch linings Ferodo RYZ or Raybestos WR9 Brakes Brake type Lockheed 2LS (Model 404: self-adjusting) Brake linings Mintex 232K2 Wheel Alignment Toe-In 1⁄8" to 3⁄16" Camber ±½° Caster angle 3½° to 4½° King pin angle 5½° to 6½° Arnolt (1955) Engine Bore & Stroke 66mm x 96mm Displacement 1971cc Firing order 1,5,3,6,2,4 Oil pressure (hot) 60 lb./sq. in. at 70°C Fuel Supply Carburetor 3 Solex D/D Choke 28 Main jet 135 Compensating 240 Slow running 50 Valving Intake tappet clearance 0.001" - 0.002" (cold) Exhaust tappet clearance 0.001" - 0.002" (cold) Valve-timing indication - Intake valve opens 20° BTDC with 0.025" valve clearance Ignition Breaker gap 0.010" - 0.012" Plug gap 0.018" Ignition timing indication - Ignition timing 15° BTDC Clutch Clutch type Single Plate Clutch linings Woven Brakes Brake type Hydraulic Brake linings Mintex 232K2 Wheel Alignment Toe-In 1⁄8" to 3⁄16" Camber 0° to ±½° Caster angle 3½° to 4½° King pin angle 5½° to 6½° 405 (1955-58) Engine Bore & Stroke 66mm x 96mm Displacement 1971cc Firing order 1,5,3,6,2,4 Oil pressure (hot) 60 lb./sq. in. at 70°C Fuel Supply Carburetor 3 Solex D/D Choke 26 Main jet 115 Compensating 200 Economy 45 Slow running 1mm Valving Intake tappet clearance 0.010" - 0.012" (hot) Exhaust tappet clearance 0.010" - 0.012" (hot) Valve-timing indication Mark on sprockets Intake valve opens TDC with 0.044" valve clearance Ignition Breaker gap 0.014" - 0.016" Plug gap 0.018" Ignition timing indication None Ignition timing 5° BTDC (full retard) Clutch Clutch type Single Dry Plate Clutch linings Woven Brakes Brake type Hydraulic Brake linings Mintex 232K2 Wheel Alignment Toe-In 1⁄8" to 3⁄16" Camber 0° to ±½° Caster angle 3½° to 4½° King pin angle 5½° to 6½° 406 (1958-59) Engine Bore & Stroke 68.69mm x 99.64mm Displacement 2216cc Firing order 1,5,3,6,2,4 Oil pressure (hot) 60 lb./sq. in. Fuel Supply Carburetor Solex B32 PBI/7 Choke 26 Main jet 105 Compensating 170 Slow running 50 Valving Intake tappet clearance 0.010" - 0.012" (hot) Exhaust tappet clearance 0.010" - 0.012" (hot) Valve-timing indication sprockets Intake valve opens TDC with 0.044" valve clearance Ignition Breaker gap 0.015" Plug gap 0.018" Ignition timing indication Flywheel Ignition timing 5° BTDC Clutch Clutch type Borg & Beck 8" Clutch linings - Brakes Brake type Dunlop disc Brake linings Ferodo VG98 Wheel Alignment Toe-In 1⁄8" Camber 0° to ±½° Caster angle 2° King pin angle 6°