Home » Racing Engines » Ford Cosworth FVA
Specifications
FVA - Four Valve, A type
Introduced in 1967
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Dimensions
Cylinders arrangement: inline 4
Strokes: 4
Bore x Stroke: 85.725 mm x 69.139 mm, 3.375" x 2.722"
Capacity: 1596.2 cc, 97.4ci
Compression ratio:
Construction materials
Ford Kent 116E-6015 or 120E-6015 cast iron block 96mm bore spacing, 208.534mm deck height, with 54mm main journal diameter, 49.2mm big journal diameter
cylinder head: aluminium alloy
steel crankshaft with 5 main bearings
steel connecting rod 122.58 mm distance center to center
Cylinder-head
crossflow design
Gear-driven (9 gears) DOHC
4 valves per cylinder - 16 valves total
intake valves inclination 20° from cylinder axis, exhaust valves inclination 20° from cylinder axis, 40° included angle
Aspiration
Natural with Lucas port-type mechanical fuel injection
Ignition
Firing order, 1 - 3 - 4 - 2
Cooling and lubrication
water cooled
dry sump
Torque values
Models used and Output
| Year | Model | Induction | Compression ratio | Power | Torque |
|---|---|---|---|---|---|
| 1968 | Chevron B8 GT | Lucas injection | 225 bhp (168 kW) @ 9000 rpm | ||
| 1969 | Chevron B16 | Lucas injection | 225 bhp (168 kW) @ 9000 rpm | ||
| 1972 | Chevron B19/ Tondelli BT | Lucas injection | 225 bhp (168 kW) @ 9000 rpm | ||
| 1973 | Chevron B21 | Lucas injection | 225 bhp (168 kW) @ 9000 rpm | ||
| 1973 | Chevron B23 | Lucas injection | 225 bhp (168 kW) @ 9000 rpm | ||
| 1974 | Chevron B26 | Lucas injection | 225 bhp (168 kW) @ 9000 rpm | ||
| 1975 | Chevron B31 | Lucas injection | 225 bhp (168 kW) @ 9000 rpm | ||
| 1975 | Osella PA3 | Lucas injection | 225 bhp (168 kW) @ 9000 rpm | ||
| 1976 | Chevron B36 | Lucas injection | 225 bhp (168 kW) @ 9000 rpm | ||
| 1976 | Osella PA4 | Lucas injection | 225 bhp (168 kW) @ 9000 rpm | ||
| 1977 | Osella PA5 | Lucas injection | 225 bhp (168 kW) @ 9000 rpm | ||
| 1978 | Osella PA6 | Lucas injection | 225 bhp (168 kW) @ 9000 rpm | ||
| 1979 | Osella PA7 | Lucas injection | 225 bhp (168 kW) @ 9000 rpm | ||
| 1980 | Osella PA8 | Lucas injection | 225 bhp (168 kW) @ 9000 rpm |
Ford Cortina Mk I: Kent 120E-6015 cast iron block
Bore spacing 98mm
There are 3 different height blocks with the 1500 being in the middle with a deck height of 7.78 inches. the other two were the 1100/1300cc at 7.12 and the 1600cc engine at 8.21 inch.
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Drawings
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