Chevrolet Small Block Gen I 350 (1967)
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Specifications

Chevrolet Small Block gen. I 350, V8 (90o) cyl, 4 stroke, petrol engine
Introduced in 1967

Dimensions

Cylinders arrangement: V8 with 90ยบ included angle
Strokes: 4
Bore x Stroke Capacity
101.6 x 88.39 mm (4" x 3.48") 5733 cc, 350ci
102.6 x 88.9 mm (4" x 3.5") 5882 cc, 359ci

Construction materials

cast iron or aluminum alloy block 229.2 mm (9.025") height, 111.76 mm (4.4") bore spacing, nodular iron 4 bolt crankshaft caps
A356 Aluminum Alloy head
tufftride-hardened forged 1053-steel crankshaft with 5 main bearings 62.2 mm (2.45") diameter, 53.3mm (2.1") big end bearing diameter
shot peened (a stress relieving process) steel connecting rod length between centers 144.8mm (5.7"), 3/8" bolts size, floating wrist pin
Manganese Bronze valve guides

Cylinder-head

chain driven side camshaft with overhead valves (OHV). Click here
2 valves per cylinder - 16 valves total
1.94" / 2.02" Intake Valves
1.5" exhaust valves
both valve on the same plane, 23 degrees valve plane angle from vertical

Aspiration

Natural with 4 x Weber Carburetors:

  • Weber 48 DCOE
  • Lucas Mark II mechanical multipoint fuel injection
  • Electronic multipoint fuel injection

Ignition

Single spark plug per cylinder
Firing order, 1-8-4-3-6-5-7-2
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Cooling and lubrication

Water cooled
Dry sump

Models used and Output

Year Model, Engine Induction Compression ratio Power Torque
1965 Lola T70, 5882cc 4 x Weber 48 IDA 550 HP (405 KW) @ 7500 RPM 540 Ft-Lbs (732 NM)
1966 Lola T70 Mk 2 4 x Weber 48 DCOE 500 bhp / 373 kW
1967 Lola T70 Mk 3 Spyder, 5882cc Lucas Mk II 11.0:1 550 HP (405 KW) @ 7500 rpm
1967 McLaren M6, 5882cc Lucas Mk II 11.0:1 525 bhp / 392 KW @ 7000 rpm
1981 Lola T600 (alu block) EMFI 13.5:1 620 bhp / 463 kW @ 7750 rpm
1982 March 82G (alu block) EMFI 13.5:1 620 bhp / 463 kW @ 7750 rpm
1983 March 83G (alu block) EMFI 13.5:1 620 bhp / 463 kW @ 7750 rpm
1984 March 84G (alu block) EMFI 13.5:1 620 bhp / 463 kW @ 7750 rpm
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4 bolt main bearings block '69
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