compression ratio ASTON MARTIN DB AR1 Q 2003 Owners Guide

G - Specifications
1-G-2
Body
Two door Roadster with 2+0 seating.
Steel underframe and body panels. Steel front wings, boot lid, sills and front
and rear bumper aprons. Steel doors, bonnet inner, boot inner and rear
quarters. Side impact protection in the doors.
Engine
All alloy, quad overhead cam 48 valve V12. 5935 cc. Compression ratio
10.3:1.
Twin EECV engine management systems with multi-point sequential fuel
injection and 'Coil on Plug' Ignition System.
Fuel 95 RON Unleaded or 98 RON Super Unleaded.
(USA - Premium Unleaded). 2 in-tank fuel pumps.
Emission control 4 Oxygen sensors / three-way catalytic convertors,
Exhaust gas recirculation, Evaporative loss purge
Bore 89.0mm
Stroke 79.5mm
Spark Plugs NGK - PTR6E-13
Spark Plug Gap 1.3 ± 0.1mm
Lubrication system Wet sump pressurised lubrication
Alternator Denso L3BHE 120A
Voltage Regulation 13.8V ±0.5V @ 20°C
Battery Varta 90AH
(Manual) (Automatic)
Max Power 324 kW (435 bhp) 309kW (420 bhp)
@ 6000 rpm @ 6000 rpm
Max Torque 556 Nm (410 lb/ft) 542 Nm (400 lb/ft)