Bugatti Type 30
8-cylinder, 2-litre

Identifying Features:
Brescia-type radiator on long wheelbase chassis. Long bonnet with larger section tyres; H-section front axle, drop arm inside chassis frame; one piece crankcase; large rear drums

Years Made (approx): Late 1922-26

Number made: 600

Engine:
No. of cylinders: 8
Bore x stroke: 60 x 88mm
Capacity: 1991cc
BHP (approx): 50+
RPM Limit (prudent): 3800
Camshaft: sohc
Valves (per cylinder): 3
Camshaft drive: Front, bevel
Crankshaft bearings, No. and type: 3 + 1 ball, plain rods
Carburettor: 2 Zenith
Ignition: Coil (early cars, magneto)
Plugs per cylinder: 1
Firing Order: 1, 5, 2, 6, 3, 7, 4, 8

Clutch: Type: Wet, multi-plate

Gearbox:
Location: Separate, central, 4-speed and reverse
Gear change lever: Right hand, Top forward

Rear Axle: Normal Ratio: 12/50 = 4.16

Dimensions:
Wheelbase: 100.4, 112.2in (2.55, 2.85m*)
Track: 47.25in (1.2m)
Chassis Weight (approx): 1800lb (825kg)

Brakes:
Location and Type: Front: 1922-4 Hydraulic, 1925-6 cable; Rear cable, right hand lever
Drums: Front drums smaller than rear on earlier cars

Wheels:
Type: Wire, centre lock
Tyre size: orginal 765 x 105, and 820 or 880 x 120 later

Crossbreeding with Other Types:
Same chassis and axles as on later Brescias; gearbox similar. Engine formed basis of T35A and 38 with a different crankcase arrangement. Blocks and camshaft layout formed basis of T35 and eventually 35B and 43

* Occasionally 2.4m