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AC Aceca
 

In 1956 the AC Aceca became available with the 2 litre Bristol engine also used in the open AC Ace model. The Aceca made good use of the extra power afforded by the 1971cc Bristol six cylinder.

From 1957 front disc brakes became standard equipment (again, these were available on the open Ace), an overdrive gearbox could also be fitted and became a popular option. The Aceca-Bristol remained in production until 1963, by which time 169 cars had been built. The car was constructed with an aluminium body to a high standard. Rather sadly, the rear suspension could tuck in during hard cornering.

Wheelbase 2286 mm 90 in  
Track front 1270 mm 50 in  
rear 1270 mm 50 in  
Length 4064 mm 160 in  
Width 1550 mm 61 in  
Height 1321 mm 52 in  
Ground clearance 152 mm 6 in  
Kerb weight 890 kg 1962 lb  
Weight distribution
(Front)
 
Fuel capacity 59.1
litres
13
UK Gal
15.6
US Gal
Type S-6
SOHC
12 valves total
2 valves per cylinder
Bore stroke 65.00mm 100.00mm
2.56 in 3.94 in
Bore/Stroke ratio 0.65
Displacement 1991 cc
(121.498 cu in)
Unitary capacity 331.83 cc/cylinder
Compression ratio 8.00:1
Fuel system 3 SU carbs
Aspiration Normal
Max. output
(Net)
91.3 PS (90.0 bhp) (67.1 kW)
@4500 rpm
Max. torque
(Net)
149.0 Nm (110 lbft) (15.2 kgm)
@2500 rpm
Coolant Water
Specific output 45.2 bhp/litre
0.74 bhp/cu in
Specific torque 74.84 Nm/litre
0-50mph (80 km/h) 9.70s
0-60mph 13.40s
0-100mph -1.00s
0-Quarter-mile 19.10s 
Top speed 164 km/h
Power-to-weight 101.12 bhp/ton
chassis
Engine location Front
Engine alignment Longitudinal
Turns
lock-to-lock
2.000
Turning circle 11.10 m
Suspension Front I.TL.
Rear I.TL.
Wheels F/R /
Brakes F/R Dr/Dr
Brake ∅ F/R / mm
Transmission 4M
Drive RWD
Top gear ratio 1.00
Final drive ratio 3.64